Gravely 915170 04383100_PM_Gravely User Manual To The D4237be0 6580 4b50 A418 E6268d673f6f

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ZT
Parts Manual
Models
915146 – ZT 34
Serial No. 010000 and up
915148 – ZT 42
Serial No. 010000 and up
915150 – ZT 50
Serial No. 010000 and up
915168 – ZT 34 CARB
Serial No. 010000 and up
915170 – ZT 42 CARB
Serial No. 010000 and up

Gasoline containing up to 10% ethanol (E10) or up to 10% MTBE (methyl tertiary butyl ether) is acceptable for use in this machine.
The use of any gasoline exceeding 10% ethanol (E10) or 10% MTBE will void the product warranty.
Il est possible d’utiliser de l’essence contenant jusqu’à 10% d’éthanol (E10) ou 10% de MTBE (éther méthyl-tertiobutylique) sur cette machine.
L’utilisation d’une essence contenant plus de 10% d’éthanol (E10) ou de 10% de MTBE annulent la garantie.
En esta máquina puede utilizarse gasolina con hasta un 10% de etanol (E10) o hasta un 10% de MTBE (éter de metil butil terciario).
El uso de cualquier otro tipo de gasolina con un porcentaje superior al 10% de etanol (E10) o al 10% de MTBE invalidará la garantía del producto.

04383100A 3/12
Printed in USA

THE MANUAL

PRODUCT REGISTRATION

Before you operate your unit, carefully and completely
read manuals supplied with the unit. The contents will
provide you with an understanding of safety instructions
and controls during normal operation and maintenance.
For your safety and the safety of others always read,
understand, and follow all DANGER, WARNING, and
CAUTION messages found in manuals and on safety
decals.

The Gravely dealer must register the product at the time
of purchase. Registering the product will help the
company process warranty claims or contact you with the
latest service information. All claims meeting
requirements during the limited warranty period will be
honored, whether or not the product registration card is
returned. Keep a proof of purchase if you do not register
your unit.
Customer Note: If Dealer does not register your product,
please fill out, sign and return the product registration
card to Gravely or go to www.gravely.com.

Hardware descriptions are given in decimals.

Decimals to Fractions
.063
.125
.188
.250
.313
.375
.438
.500

1/16
1/8
3/16
1/4
5/16
3/8
7/16
1/2

.563
.625
.688
.750
.813
.875
.938
1.00

9/16
5/8
11/16
3/4
13/16
7/8
15/16
1

YOUR SATISFACTION IS IMPORTANT
Questions? Please follow these helpful steps:
1. Refer to the manuals supplied with your unit.
They will guide you through safe and proper
operation and maintenance.
They contain specifications on your unit.
If your questions are not answered in these manuals,
go to step number two.
2. Contact Your Dealer.

SERVICE AND REPLACEMENT PARTS

Our dealers will be happy to supply any service or
advice required to keep your unit operating at peak
efficiency.
A factory trained staff is available to support your
equipment needs. They stock genuine Gravely parts
and lubricants manufactured with the same precision
and skill as the original.
If your questions are not resolved by the support
staff, ask for the manager or owner.
When contacting your Dealer supply your model and
serial numbers.

When ordering replacement parts or making service
inquiries, know the Model and Serial numbers of your
unit and engine.
Numbers are located on the product registration card in
the unit literature package. They are printed on a serial
number label, located on the frame of your unit.
• Record Unit Model and Serial numbers here:

• Record Engine Model and Serial numbers here:

TO SPEED PARTS ORDERING:
1. Know the model and serial numbers of your unit.
2. Know the part number required.

UNAUTHORIZED REPLACEMENT PARTS

3. Know the quantity required.

Use only Gravely replacement parts. The replacement of
any part on this vehicle with anything other than a
Gravely authorized replacement part may adversely
affect the performance, durability, or safety of this unit
and may void the warranty. Gravely disclaims liability for
any claims or damages, whether warranty, property
damage, personal injury or death arising out of the use of
unauthorized replacement parts.

4. Know the part description.

2

MODELS

TABLE OF CONTENTS

Domestic

DECALS

Model 915146 (ZT 34)
Briggs & Stratton with 34” Mower
Serial No. 010000 and up

Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

MAIN FRAME AND TRANSAXLES

Model 915148 (ZT 42)
Kawasaki with 42” Mower
Serial No. 010000 and up

Frame, Hood, Fenders, Casters and Tires. . . . . . . . . 6
Seat and Seat Support. . . . . . . . . . . . . . . . . . . . . . . 10
Transaxle, Dump Valves and Rear Wheels . . . . . . . 14

Model 915150 (ZT 50)
Kawasaki with 50” Mower
Serial No. 010000 and up

OPERATOR CONTROLS
Parking Brake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Steering Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Model 915168 (ZT 34 CARB)
Briggs & Stratton with 34” Mower
Serial No. 010000 and up

FUEL TANKS AND ENGINE
Engine, Exhaust, Belts and Idlers . . . . . . . . . . . . . . 20
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Model 915170 (ZT 42 CARB)
Kawasaki with 42” Mower
Serial No. 010000 and up

ELECTRICAL SYSTEM
Continuity Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . 23
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

MOWER DECKS
Mower Deck Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mower Deck, Belt and Idlers . . . . . . . . . . . . . . . . . . 30
Belt Covers and Blades . . . . . . . . . . . . . . . . . . . . . . 34

3

© Copyright 2012 Ariens Company

DECALS – SAFETY
Model 915146, 148, 150, 168, 170
12

7

07800401

11

10
6

9
4
MAX. FILL
Max. Remplir
Máx. llene

0441
2500

2

07800029

080000604

8

077541

1

03271900

5

3

P

3

13

07800410
07800339

Item

Part No.

Qty.

1
2
3
4
5
6
7
8
9
10

03271900
07757600
07800410
07800334
07800339
07757500
07800401
07754100
07800029
05301400
04413500
08000604
05305000
07800402

2
1
2
1
1
1
1
1
1
1
1
1
1
1

11
12
13

Description
Decal, Transmission Disconnect
Decal, Instructional Steering
Decal, Safety – Mower Deck
Decal, Cut Height
Decal, Safety – Main
Decal, Parking Brake Lever
Decal, Safety – Guarding
Decal, Hot Surface
Decal, Fuel Warning
Decal, Throttle Control (915146, 168)
Decal, Throttle/Choke Combo (915148, 150, 170)
Decal, Fuel Level
Decal, Trailer Hitch (915148, 150, 170)
Decal, Safety – Deck Guarding

4

DECALS – STYLE
Model 915146, 148, 150, 168, 170

1
05239900

3
2

1

05239900

Item Part No.

1
2

3

05239900
07800101
07800210
07800211
08000526

Qty.

3
1
1
1
1

Description

Decal, 9.5” Gravely
Decal, ZT 34 (915146, 168)
Decal, ZT 42 (915148, 170)
Decal, ZT 50 (915150)
Decal, Gravely Heritage, Large

5

FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915168, 170
26

26

42

32

To engine purge port

34 33

25

49

35
36
43

26

38
52

24

29

51

To tank port
on item 39

43

4
5

43

4
3

18

12

22

16

21

40

55

29

54

18

48

To fuel
tank neck

43
23

29

To purge port
on item 39

37

24
17

50

43

43
52

42

56

27

21

39
28

16

20

16

41

11
2

13
15

21
22

28

8
19

4
53

19
8

5
20

4

30

1
6

A
4

21

21

21

47

14
44

A
31

46

10

45
9

13
7

6

FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915168, 170
Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

51525900
03768600
03768700
07500125
03769053
03368553
07100124
05500934
00278500
05964400
04417651
04194051
04240751
06543600
05962200
06436400
06542000
07056700
07503100
00363100
08553700
06545400
06219900
04085753
06443300
04411853
06220600
06500012
07412000
06543500
03833800
06500705
04400000
04082700
04246000
07500206
04382700
03278100
03278100
04082500
04086551
04102900
04097700
03278800
06500010
06224800
04192901
04188353
04097000
03375900
03375900
03278100
03278100
04196270
07500103
06215700
03853851
05959400
06223900

Qty.

Description

1
1
1
6
2
2
2
4
2
2
1
1
1
4
2
2
6
2
2
4
2
8
4
1
2
1
4
4
4
4
1
2
1
1
1
1
1
7"
10"
1
1
2
2
6
2
2
2
1
1
7"
11"
27"
30.5"
1
2
2
1
2
2

Weldment, Frame
Fender, Right Hand
Fender, Left Hand
Rivet, Nylon
Plate, Fender
Fork, Caster
Wheel/Tire Assembly, 11 x 4-5
Bushing, Flange 1.00 x 1.25 x 1.50 x 1.50
Spacer, Wheel
Bolt, Hex .50-13 x 6.50
Weldment, Fender Mount Right Hand (915170)
Weldment, Fender Mount Right Hand (915168)
Weldment, Fender Mount Left Hand
Nut, Locking Top Flange .50-13
Bolt, Hex .50-13 x 5.00
Washer, Flat Steel .511 x 1.441 x .125
Nut, Locking Top Flange .38-16
Bolt, Shoulder .375-16 x .135
Bumper Grommet .125 x .250 Diameter
Spacer, Caster
Bushing, Sleeve .391 x .688 x .52
Nut, .31-18 Nyloc Flange
Bolt, Round Head Square Neck .25-20 x .75
Hood Brace
Washer, Flat Nylon .52 x 1.00 x .08
Hood, Zoom
Bolt, Round Head Square Neck .25-20 x .50
Nut, .25-20 Nyloc Flange
Screw, Tapping .25-20 x .50 Hex Washer Head Thread
Nut, Locking Top Flange .25-20
Grip, Adhesive (1" x 16" BLK)
Nut, Push .50
Tank, ZT/Waw Fuel Exp.
Grommet, Remote Vent Nitrile
Vent, Roll-Over (.25" ID Hose)
Bushing, Flange .375 x 1.062 x .625 R
Fitting, Straight Fuel
Hose, .25 Low-Perm Bulk Gas
Hose, .25 Low-Perm Bulk Gas
Carbon Canister, 300CC
Bracket, Mount, Canister BBZ
Plastic Tie Strap Large
Clamp, Hose Spring .188
Clamp, Hose Wire .490/.510 x .116
Nut, Locking Nylon Flange .50-13
Bolt, Round Head Square Neck .50-13 x 1.75
Tube, Upper Control Pivot
Foot Rest
Fitting, 3/16 x 1/4 90 Deg Vac
Hose, .188 Low Perm Bulk (915168)
Hose, .188 Low Perm Bulk (915170)
Hose, .25 Low Perm Bulk Gas (915168)
Hose, .25 Low Perm Bulk Gas (915170)
Cupholder
Edging, Clutch Paddle – 2.00”
Bolt, Round Head Square Neck .31-18 x .75
Plate, BBZ Hitch Kit Plate (915170)
Bolt, Hex .38-16 x .75 (915170)
Bolt, Round Head Square Neck .31-16 x .75 (915170)

7

FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915146, 148, 150

25

32

25

33

24

34
37
38

25

To fuel tank neck

47

38

23

30

17

45
30

3

36

35

4

29

5
To engine
purge port

17
23

4

16
11

18

22
28
28

49

21

26

48

28

27

29

50
39
18

20

16

16

12

2

13
29

15
27

19

21

4
5

20
4

40

19
8

1

31
4

8

A

6
29

29
14

41

44

A

10
45 42

43
9

13
7

8

FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915146, 148, 150
Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

51525900
03768600
03768700
07500125
03769053
03368553
07100124
05500934
00278500
05964400
04240751
04417651
04194051
06543600
05962200
06436400
06542000
07056700
07503100
00363100
08553700
06219900
04085753
06443300
04411853
06220653
06500012
07412000
06543500
06545400
07500103
03833800
04400000
04082700
07500206
03278100
04382500
04382600
04382700
03278800
04192700
06215700
04188353
04192901
06224800
06500010
06500705
03375900
04097700
03853851
05959400
06223900

Qty.

Description

1
1
1
6
2
2
2
4
2
2
1
1
1
4
2
2
6
2
2
4
2
4
1
2
1
4
4
4
4
8
2
1
1
1
1
1
1
1
1
2
1
2
1
2
2
2
2
NA
2
1
2
2

Weldment, Frame
Fender, Right Hand
Fender, Left Hand
Rivet, Nylon
Plate, Fender
Fork, Caster
Wheel/Tire Assembly, 11 x 4-5
Bushing, Flange 1.00 x 1.25 x 1.50 x 1.50
Spacer, Wheel
Bolt, Hex .50-13 x 6.50
Weldment, Left Hand Fender Mount
Weldment, Right Hand Fender Mount (915148, 150)
Weldment, Right Hand Fender Mount (915146)
Nut, Locking Top Flange .50-13
Bolt, Hex .50-13 x 5.00
Washer, Flat Steel .511 x 1.441 x .125
Nut, Locking Top Flange .38-16
Bolt, Shoulder .375-16 x .135
Bumper Grommet .125 x .250 Diameter
Spacer, Caster
Bushing, Sleeve .391 x .688 x .52
Bolt, Round Head Square Neck .25-20 x .75
Hood Brace
Washer, Flat Nylon .52 x 1.00 x .08
Hood, ZT
Bolt, Round Head Square Neck .25-20 x .50
Nut, Locking Top Flange .25-20
Screw, Tapping .25-20 x .50 Hex Washer Head Thread
Nut, Locking Top Flange .25-20
Nut, Locking Nylon Flange .31-18
Edging, Clutch Paddle - 2.00"
Grip, Adhesive (1" x 16" BLK)
Tank, ZT/Waw Fuel Expansion
Grommet, Remote Vent Nitrile
Bushing, Flange .375 x 1.062 x .625
Hose, .25 Low-Perm Bulk Gas (7 inches)
Assembly, Fuel Vent – Kohler, Briggs and Stratton (915146)
Assembly, Fuel Vent – Kawasaki (915148, 150)
Fitting, Straight Fuel
Clamp, Hose Wire .490/.510 x .116
Cupholder, Snap-In, 3.75 OD
Bolt, Round Head Square Neck .31-18 x .75
Foot Rest
Tube, Upper Control Pivot
Bolt, Round Head Square Neck .50-13 x 1.75
Nut, Locking Nylon Flange .50-13
Nut, Push .50
Hose, .188 Low-PERM Bulk Gas (as required)
Clamp-Hose, Spring .188
Plate, BBZ Hitch Kit Plate (915148, 150)
Bolt, Hex .38-16 x .75 (915148, 150)
Bolt, Round Head Square Neck .31-16 x .75 (915148, 150)

9

SEAT AND SEAT SUPPORT
Model 915146, 168

1

2

3

6
3
4

5
7

4

11
10
8
9

12
16

13

15

14

10

SEAT AND SEAT SUPPORT
Model 915146, 168
Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

03795800
03782051
05900033
07412000
03753351
06542000
00337700
08300021
06212100
06439100
06500015
06545400
07056700
01305900
05946900
03798751

Qty.
1
1
4
2
1
2
2
2
2
2
2
2
2
2
2
2

Description
Seat, 13 in Grey
Seat Plate
Bolt, Hex 5/16-18 x 3/4
Screw, Tapping .25-20 x .50 Hex Washer Head Thread
Guard, Fan
Nut, .38-16 Locking Top Flange
Hub Cap
Spring, Seat
Bolt, Round Head Square Neck .31-18 x 1.50
Washer, Flat Steel .328 x .87 x .179
Nut, Coupling 5/16-18 x 1.75
Nut, 5/16-18 Flange Nyloc
Bolt, Shoulder .375-16 x .135
Bushing, Flange .325 x .499 x .26 x .88
Bolt, Hex .31-18 x 1.00
Bracket, Seat Stop

11

SEAT AND SEAT SUPPORT
Model 915148, 150, 170

11

2

3

1
5

10
4

6
7
9
14
13

8

12
15
19
17
20
24

21
23

22

12

18

16

SEAT AND SEAT SUPPORT
Model 915148, 150, 170
Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

04376251
04376951
04377051
04377167
06439200
05514800
05901508
06514900
08321100
04396600
04278000
07412000
03753351
06542000
00337700
08300021
06212100
06439100
06500015
06545400
07056700
01305900
05946900
03798751

Qty.
1
1
1
1
4
4
4
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
2
2

Description
Plate, Adjustable Seat
Plate, Adjustable Seat Track
Plate Adjustable Seat Slide
Weldment, Adjustable Seat Latch
Washer, Flat Steel .505 x 1.00 x .062
Bushing, Flange .32 x .500 x .344 x .880
Screw, Socket Head, Button Head .31-18 x 1.00
Push Nut 5/16
Weldment, Spring Tension .043 x .44 x 3.31, 5.8
Grip, Seat Lever, Grey
Seat, Milsco XB180 Grey
Screw, Tapping .25-20 x .50 Hex Washer Head Thread
Guard, Fan
Nut, .38-16 Locking Top Flange
Hub Cap
Spring, Seat
Bolt, Round Head Square Neck .31-18 x 1.50
Washer, Flat Steel .328 x .87 x .179
Nut, Coupling 5/16-18 x 1.75
Nut, 5/16-18 Flange Nyloc
Bolt, Shoulder .375-16 x .135
Bushing, Flange .325 x .499 x .26 x .88
Bolt, Hex .31-18 x 1.00
Bracket, Seat Stop

13

TRANSAXLE, DUMP VALVES AND REAR WHEELS
Model 915146, 148, 150, 168, 170
3
10

12
10

3

1
10

7

6

4
15

6

4

2

8
11

5
13

9

14

14

11

TRANSAXLE, DUMP VALVES AND REAR WHEELS
Model 915146, 148, 150, 168, 170
Item Part No.
1
2
3
4
5
6
7

8
9
10
11
12
13
14
15

03872300
04382300
03872400
04382400
05963700
06545400
03762700
03762800
07100809
07100928
07100929
06444000
06400006
06435700
06701900
05960600
06308800
05900013
03762067

Qty.
1
1
1
1
4
8
1
1
2
2
2
4
2
8
2
4
2
2
2

Description
Transaxle, Left Hand EZT D-Shaft (915146, 168)
Transaxle, Left Hand EZT D-Shaft Long (915148, 150, 170)
Transaxle, Right Hand EZT D-Shaft (915146, 168)
Transaxle, Right Hand EZT D-Shaft Long (915148, 150, 170)
Bolt, Hex .31-18 x 2.25
Nut 5/16-18 Flange Nyloc
Dump Valve, Right Hand
Dump Valve, Left Hand
Tire Assembly 18 x 6.5-8 2 Ply DSHAFT (915146, 168)
Tire/Wheel Assembly, 18 x 8.5-8 Center (915148, 170)
Tire/Wheel Assembly, 18 x 9.50-8 Offset (915150)
Washer, Flat Steel .406 x 1.00 x .188
Washer, Flat Steel .406 x 1.50 x .245
Washer, Flat Steel .38 x .875 x .083
Pin, Hair, Internal .06 x .18 x .77
Bolt, Hex .31-18 x 2.75
Washer, Locking .38 x .094 Regular
Bolt, Hex .38-16 x 1.00 YWZC EP30
Shaft, Transaxle Brace

15

PARKING BRAKE
Model 915146, 148, 150, 168, 170

7
11
17
3

16
23 16

7

25

9

28
19

10

9

27
8
22

4

30 15

1
6 7

24
13

26
20 6

6
21

12
9

Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

03759400
03759167
03823300
05946900
05514800
06437200
06545400
03769400
06713500
03759200
05947500
06435700
03764800
06446300
03764900
07400034
03759067
03758967
08326700
08300028
03759667
03826900
03759500
06446900
03761167
01305900
06441100
03757501
05700125
06400840

Qty.
1
1
1
3
1
6
6
1
5
1
1
2
2
1
1
4
1
1
1
2
2
1
1
2
1
2
1
2
2
1

14

5 7

2

4

29
18

Description
Link, Brake Handle
Handle, Parking Brake
Link, Neutral Left Hand
Bolt, Hex .31-18 x 1.00
Bushing, Flange .312 x .500 x .344 x .880
Washer, Flat Steel .344 x .688 x .065
Nut, Flange Nyloc 5/16-18
Spacer, Brake Handle
Pin, Hair Internal .08 x .18 x 1.18
Weldment, Detent Arm
Bolt, Hex .31-18 x 1.25
Washer, Flat Steel .38 x .875 x .083
Trunnion, 1/4-20
Washer, Flat Steel .344 x 1.125 x .135
Roller
Screw, Tapping .25-20 x .50 Hex Washer Head
Latch, Left Hand Neutral
Latch, Right Hand Neutral
Spring, Tension .072 x .565 x 1.87
Spring, Compression
Link, Brake Cog
Grip, Parking Brake
Link, Neutral Right Hand
Washer, Flat Steel .347 x 1.254 x .048
Weldment, Brake Shaft
Bushing, Flange .325 x .499 x .26 x .88
Washer, Flat Steel .52 x .827 x .062
Bushing, .50 Clamp Block Molded
Ring, Retaining, External .250 x .025
Washer, Steel .385 x .745 x .030

16

NOTES

17

STEERING CONTROLS
Model 915146, 148, 150, 168, 170

5

6

4
7
25
2

33

2

17

36
16
15
30 3839
7
37 21
6
13
27
12
29
6
32
6
11
5
8
9 10

18

15
19
20
10

35
18 38
39

1
15

6
32 13

21

34

20

25

35
9

5
30

10

10

29

34
8

12
19

13

28

4
22

6

To Transaxle.

21 6

3

27

26

22
6
23
24

6

17
15

6

33
31

16

21

24

20

14
23

18

3

6

23
20

STEERING CONTROLS
Model 915146, 148, 150, 168, 170
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

Part No.
04193051
04257400
05710200
03943800
03652200
06545400
04197651
07400034
06400005
05511000
04192851
05500932
06545500
04199451
05501017
04193500
04192951
07500131
05957400
05974000
03787100
05946900
06535900
03956251
06220800
06536700
04197300
05959400
04208000
05957200
03759351
04147200
07050000
06219900
06500012
04199551
03766051
06537200
06436200

Qty.
1
2
2
2
4
12
2
6
2
4
1
2
4
1
4
2
2
2
2
4
4
2
4
2
2
4
2
2
2
2
1
2
4
4
4
1
1
4
4

Description
Weldment, Steering Handle Right Hand
Grip, Handlebar 15" Foam
Ring, Retaining External .438 x 1.00 x 0.83
Damper
Stud, Ball
Nut, .31-18 Flange
Weldment, Steering Shaft
Screw, Tapping .25-20 x .50 Hex Washer Head
Washer, Wave
Bushing, Flanged
Weldment, Lower Control Arm
Bushing, Eccentric
Nut, .38-16 Nyloc Flange
Weldment, Lower Control Right Hand
Bushing, Flanged
Spacer, .375 x .625 x .970
Weldment, Upper Control Arm
Cap Plug, Square
Bolt, Hex .31-18 x 1.75
Bolt, Hex .375-16 x 1.75
Alignaball, 5/16 RH Thread
Bolt, Hex .31-18 x 1.00
Nut, Hex Jam .375-16
Bracket, Speed Adjustment/Seat Pivot
Bolt, Round Head Square Neck .31-18 x .75
Nut, Jam, .31-24
Wireform, Steering Link
Bolt, Hex .38-16 x .75
Spacer, .328 x .500 x .625
Bolt, Hex .31-18 x 2.00
Plate, Dampener Right Hand
Bushing, Flanged
Bolt, Serrated Hex Flange Washer Head .375-16 x 1.25
Bolt, Round Head Square Neck .25-20 x .75
Nut, Locking Nylon Flange .25-20
Weldment, Steering Handle Left Hand
Plate, Damper Left Hand
Nut, Locking Center Jam .375-16
Washer, Flat Steel .406 x .812 x .065

19

ENGINE, EXHAUST, BELTS AND IDLERS
Model 915146, 148, 150, 168, 170

35
34
38

8

37
36

6

36
1
1

34
3

8

15
6

7
5

31
28
Rear of Unit
33

32

4

2

18
2

14
12

30

18
21

22
19
20

29
28
27
26

25
24
13

9
10
11

20

16
23
17
18

35

ENGINE, EXHAUST, BELTS AND IDLERS
Model 915146, 148, 150, 168, 170
Item Part No.
1

2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

08200638
08200717
08200718
07414700
05901507
06537200
00619600
06900520
07415800
03943600
00390100
03946900
04058800
06443600
06309300
05966700
07338600
03972700
06603400
06225400
06442000
06442400
06545500
07300221
05961400
08553700
08300512
03961100
03961067
03960700
05901418
03980200
06530400
06543100
03956751
05960600
06545400
07200010
06308600
06308600
05933100
05933100
03276500
06100206
07400034

Qty.
1
1
1
4
4
1
1
1
2
1
4
1
1
1
1
1
1
1
1
1
1
2
3
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
4
2
4
2
1
1
2

Description
Engine, 16.5 HP Briggs and Stratton Intek without Muffler (915146, 168)
Engine, Kawasaki FR691 23HP (915148, 170)
Engine, Kawasaki FR730 24HP (915150)
Screw, Tapping .38-16 x 1.25 Hex Washer Head(915146, 168)
Bolt, Hex .38-16 x 1.25 (915148, 150, 170)
Nut, Locking Jam .375-16 (915146, 168)
Throttle/Choke Cable (915146, 168)
Cable, Choke/Throttle Combo (915148, 150, 170)
Screw, Tapping 10-24 x .50 Hex Washer Head
Oil Drain
Wire Clip (for .25" hole) (148, 150, 170)
Muffler, Twin (915148, 150, 170)
Muffler, B&S 208 BBZ (915146, 168)
Washer, Flat Steel .469 x 2.00 x .25
Washer, Locking .44 x .109 Regular
Bolt, Hex .44-20 x 4.50 Grade 8
Weldment, Crankshaft Extension
Clutch, 105 FT*LB MONO Pole
Key, Square .25 x 1.25 x .25 SAE 8630 or SAE 1035
Bolt, Round Head Square Neck .38-16 x 2.75
Washer, Flat Steel .563 x 1.38 x .109
Washer, Flat Steel .406 x 1.375 x .135
Nut, Locking Nylon Flange .38-16
Pulley, Engine Clutch
Bolt, Hex .38-16 x 2.75
Bushing, Sleeve .391 x .688 x .52
Spring, Extension
Spacer, Ground Drive Idler
Idler Arm, Ground Drive
Bushing, Idler Arm
Screw, Cap .31-18 x 1.75
Spacer, Rubber 5/16 ID x 1.0
Nut, Spin Lock Flange .312-18
Nut, Locking Top Flange .31-18
Bracket, Clutch Stop
Bolt, Hex .31-18 x 2.75
Nut, Locking Nylon Flange .31-18
V-Belt, HA-RAW Edge Laminated
Washer, Locking .31 x .078 Regular (915148, 150, 170 )
Washer, Locking .31 x .078 Regular (915146, 168)
Capscrew .31-18 x .75 S/HD (915148, 150, 170)
Capscrew .31-18 x .75 S/HD (915146, 168)
Guard, Briggs Engine (915146, 168)
Screw, 8-16 x .87 (915146, 168)
Screw, Tapping .25-20 x .50 Hex Washer Head (915146, 168)

21

FUEL TANK
Model 915146, 148, 150, 168, 170
2

To engine fuel filter

2

6

5

9

10

13
4

8
3
12

1

11

7

Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13

04191900
03278800
07500206
03771451
03278100
04333600
06219900
03795700
06500012
07400034
00390100
04382800
04238500

Qty.

Description

1
2
2
1
NA
1
1
1
1
1
1
1
1

Tank, Fuel with Vent Port
Clamp, Fuel Line
Bushing
Bracket, Tank Strap
Hose, .25 Low Perm Gas (as required)
Assembly, Fuel Pickup
Bolt, Round Head Square Neck .25-20 x .75
Seal, Tank Neck
Nut, .25-20 Nyloc Flange
Screw, Tapping .25-20 x .50 Hex Washer Head
Wire Clip
Fitting, 90 Degree Fuel Plastic
Fuel Cap, 225 CARB with 12" THTR

22

CONTINUITY DIAGRAM
Model 915146, 148, 150, 168, 170

(03290500)

(04399600)

Seat Switch
(03654200)
1

2

OPERATOR
OFF SEAT

1

2

OPERATOR
ON SEAT

Solenoid
(00696900)

PE0771

23

ELECTRICAL SYSTEM
Model 915146, 148, 150, 168, 170

13
15

To Frame

25

22

2

1

14

To Frame
24
4

16

29
3
23

30

To Engine
Ground

19

8

30
17

28

To Engine
Harness

9

6

10

25
26

19
19

12

18

To Engine
Ground
7
10

5

To Engine
Starter

20

21

To Frame
11
PE0200_A_G_Electrical

24

ELECTRICAL SYSTEM
Model 915146, 148, 150, 168, 170
Item

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

Part No.

03927000
03042800
09351100
03290500
00696900
04382200
05946800
06437300
06509200
07533200
04249800
04249900
04399600
03773900
03606600
03654200
07505700
06310500
06536700
07411600
06543500
07400038
04385351
03972600
07411900
06537200
00390100
06200211
06500012
07800336

Qty.

1
1
1
1
1
1
2
2
2
3
2
1
1
1
1
1
1
4
2
2
1
2
1
1
1
1
1
1
1
1

Description

Key
Relay
Fuse, 30 AMP
Key Switch with Key
Solenoid
Battery, 12V 20 Hour (Can be replaced with U1 190 or larger)
Bolt, Hex .25-20 x .75
Washer, Flat Steel .281 x .62 x .065
Nut, KEPS .250-20
Boot, Eyelet Terminal
Cable, POS
Ground Cable
Switch, Clutch With Retainer
Harness, Wiring ZT
Switch, Double Pole N.O. / N.O.
Switch, Snap Mounting (N.O.)
Insulator
Washer, Locking .31
Nut, Jam .31-24
Screw, Tapping .250-20 x .37 Hex Washer Head
Nut, Locking Top Flange .25-20
Screw, 12-14 x .75 HX
Hold Down, Battery
Harness, Clutch
Screw, Tapping 12-24 x .50 Hex Washer Head
Nut, Locking Center Jam .375-16 (915146, 168)
Wire Clip (915148, 150, 170)
Bold, Round Head Square Neck .25-20 x 4.50
Nut, Locking Nylon Flange .25-20
Decal, U1 Battery Replacement

25

WIRING DIAGRAM
Model 915146, 148, 150, 168, 170

B

A

Yellow /
Red

CLUTCH

Parking
Brake
Switch

26

NOTES

27

MOWER DECK LIFT
Model 915146, 148, 150, 168, 170

29
28
19
23
7
30
31
21
12
27
16
22
11
7

9
17

2

18

5

24

13

20
4

16

6
27
15

26

18

27

12
9
17
10

3
26
27

14

1

18 24

8 23

19

8
19
26

25

24
19

24
9

16
22
11

19
8

28

MOWER DECK LIFT
Model 915146, 148, 150, 168, 170
Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

04434567
04434467
04377367
04377951
04391567
04384851
04377867
04377767
05519100
07525100
08553700
06700201
07415800
05948700
05962900
06545500
06442800
06435700
06436200
08335700
07533500
06529400
06443400
06542000
07800334
06700206
06443300
04434667
05967100
05501112
06500012

Qty.
1
1
1
1
1
1
4
4
4
1
4
2
2
2
1
7
2
3
5
1
1
4
2
4
1
4
4
2
2
2
2

Description
Weldment, Footpedal
Weldment, Rear Deck Lift
Weldment, Lift/HOC Link
Plate, Height Adjustment
Weldment, Height of Cut
Guard, Deck HOC
Trunion, Deck Adjuster
Wireform, Deck Adjustment
Bushing, Flange .629 x .879 x .469 x 1.25
Stop
Bushing, Sleeve .391 x .688 x .52
Pin, Bow Tie Locking Cotter .091 x 1.875
Screw, Tapping, Hex Washer Head Rolling 10-24 x .50
Bolt, Hex .38-16 x 1.00
Bolt, Hex .38-16 x 2.25
Nut, Locking Nylon Flange .38-16
Washer, Flat Steel .656 x 1.31 x .095
Washer, Flat Steel .38 x .875 x .083
Washer, Flat Steel .438 x 1.00 x .083
Spring, Compression .125 x .781 x 1.25
Knob, Ball – Black 1.47" .375-16
Nut, Hex .38-16
Washer, Flat Steel .380 x 1.50 x .125
Nut, Locking Top Flange .38-16
Decal, Height of Cut
Pin, Bowtie Locking
Washer, Flat Nylon .518 x 1.00 x .08
Weldment, Deck Lift Arm
Bolt, Hex .25-20 x 2.00
Bushing, Sleeve .265 x .500 x .500
Nut, Locking Nylon Flange .25-20

29

MOWER DECK, BELT AND IDLERS
Model 915146, 168
6
31
6

5

21
26
27

3

4
26
23

21

28

20

6
25

34

23

23
6

35

24
15

14
13

2

12
1

11

18

9
8

21

21

19

7
10
12

22
21

16

29

32
30

17
33

30

19

MOWER DECK, BELT AND IDLERS
Model 915146, 168
Item Part No.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

51525700
61559900
04430867
07300039
03828853
06542000
03994300
00662653
01258100
06800002
06713500
06400006
06533500
06534900
05958500
06435700
05920900
06543100
03839053
06443600
06443400
05957800
06444000
06435900
03974153
05500907
03763400
05962900
06308800
05948700
06436200
05961400
07415400
08320300
07200116

Qty.

1
2
1
2
1
5
1
1
1
1
1
2
1
1
1
2
2
2
2
1
5
1
3
1
1
2
1
1
1
1
1
1
8
1
1

Description

Kit, Gravely 34” Deck wtih Decals
Assembly, Spindle
Weldment, Idler Arm
Assembly, Idler 4"
Wireform, Belt Finger
Nut, Locking Top Flange .38-16
Chute, Side Discharge
Chute Reinforcement
Spring, Torsion
Pin, 5/16 x 3.88"
Pin, Hair Internal .08 x .18 x 1.18
Washer, Flat Steel .406 x 1.50 x .245
Nut, Coupling .375-16 x 1.75
Nut, Spin Lock, Flange .375-16
Bolt, Hex .38-16 x 1.75
Washer, Flat Steel .38 x .875 x .083
Screw, Socket Head .31-18 x .75 Button Head
Nut, Locking Top Flange .31-18
Plate, REINF, Spindle
Washer, Flat Steel .469 x 2.00 x .25
Washer, Flat Steel .380 x 1.50 x .125
Bolt, Hex .38-16 x 3.00
Washer, Flat Steel .406 x 1.00 x .188
Washer, Flat Steel .438 x 1.00 x .083
Belt Finger
Bushing, Flange, .625 x .750 x .500 x 1.00
Spacer, .375ID x .625D x 1.66 Promaster
Bolt, Hex .38-16 x 2.25
Washer, Locking .38 x .094 Regular
Bolt, Hex .38-16 x 1.00
Washer, Flat Steel .406 x .812 x .065
Bolt, Hex .38-16 x 2.75
Screw, Tapping .38-16 x .75 Hex Washer Head Thread Rolling
Spring, Tension .135 x .98 x 6.0
V-Belt, HA-Wrapped Clutching

31

MOWER DECK, BELT AND IDLERS
Model 915148, 150, 170
915148, 170

10
9

10

5
2

10

17

15
6

27

9 10
5

9

7
11
13
12
11

10
1

19

915150

7
18

9
16

10
10
24

17

9

10
15 10
12
10 5
9
9

5

28 25
2

6

23

9
5

1

27

3

10
7
11
13

11
7
18

16
7
4

7
8

6
20

19

7

24
23

14

26

3
7
4

8

7
6
20

20
14

22

32

28
25

MOWER DECK, BELT AND IDLERS
Model 915148, 150, 170
Item Part No.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

Qty.

51523800 1
51523900 1
51520900 3
51519500 3
03839053 3
07415400 12
07300039 3
06400006 2
06443400 5
06443400 4
05962900 1
06444000 4
06542000 5
05500907 2
04430867 1
03763400 1
05957800 1
03974153 1
05962900 1
03828853 1
06443600 1
06435900 1
05961400 1
04061053 1
07200523 1
07200524 1
04428900 1
07400103 2
04396500 1
08320300 1
06436200 1
05600513 1

Description

Kit, Gravely 42” Deck with Decals (915148, 170)
Kit, Gravely 50” Deck with Decals (915150)
Assembly, Spindle (915148, 170)
Assembly, Spindle (915150)
Plate, Spindle
Screw, Tapping .38-16 x .75 Hex Washer Head
Assembly, Idler 4"
Washer, Flat Steel .406 x 1.50 x .245
Washer, Flat Steel .380 x 1.50 x .125 (915148, 170)
Washer, Flat Steel .380 x 1.50 x .125 (915150)
Bolt, Hex .38-16 x 2.25
Washer, Flat Steel .406 x 1.00 x .188
Nut, Locking Top Flange .38-16
Bushing, Flange, .625 x .750 x .500 x 1.00
Idler Arm
Spacer, .375ID x .625 OD x 1.66
Bolt, Hex .38-16 x 3.00
Belt Finger
Bolt, Hex .38-16 x 2.25
Wireform Belt Finger
Washer, Flat Steel .469 x 2.00 x .25
Washer, Flat Steel .438 x 1.00 x .083
Bolt, Hex .38-16 x 2.75
Plate, Deck (915150)
V-Belt, 4L Wrapped (915148, 170)
V-Belt, 4L Wrapped (915150)
Assy, Washout Port W/O Ring
Screw, Tapping .25-20 x .62 Hex Washer Head Thread Rolling
Coupling, Quick Disconnect
Extension Spring .135 x .98 x 6.0
Washer, Flat Steel .406 x .812 x .065
O-Ring .362 X .103 X .568

33

BELT COVERS AND BLADES
Model 915146, 168
12

12
11

11

10

9

15
18

1
2

19
13

3
7

17
8
16

4

16
5

14

6
Item Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

00662653
03994300
06800002
03971900
06445700
06500630
03779253
05947000
06545400
04377667
04323800
07400034
06700201
05920900
06543100
06435700
01258100
06713500
04424951

Qty.
1
1
1
2
2
2
1
2
2
1
2
4
2
2
2
2
1
1
1

Description
Chute Reinforcement
Molded Chute
Pin, 5/16 x 3.88"
Blade, Mower 17.35
Washer, Beveled .63 x 1.625 x .14
Nut, Hex .62-18
Bracket, Baffle Discharge 34"
Bolt, Hex .31-18 x .75
Nut, .31-18 Nyloc Flange
Wireform, Drag Link
Molded Cover, Belt
Screw, Tapping .25-20 x .50 Hex Washer Head
Pin, Bow Tie Locking Cotter .091 x 1.875
Screw, .31-18 x .75
Nut, Locking Top Flange .31-18
Washer, Flat Steel .38 x .875 x .083
Spring, Torsion
Pin, Hair .08 x .18 x 1.18
Strap, Drag Link

34

NOTES

35

BELT COVERS AND BLADES
Model 915148, 150, 170
16

17

17

915148, 170

16

15

9
20
12

20

14

20
5

10
11

6

8

4

7
29
13
21

2

24

1
21

3

20
18

19
23

9

15

17
17

16

915150

14
20

22
25 26

12
20

26
20

10

27
28

8

11

29
6
4

21

7
24

13

5
19

2

1
3

20

18
23
36

BELT COVERS AND BLADES
Model 915148, 150, 170
Item Part No.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

Qty.

04265400 3
03971900 3
06445700 3
06500630 3
07056800 3
06542000 3
03905600 4
03905600 3
06700201 2
04073053 1
04443153 1
04375900 1
08300515 1
00475800 1
06713500 1
03977400 1
03902200 1
03901900 1
03902100 1
03901800 1
07400034 2
07400034 1
07414200 4
03957853 1
04069053 1
04395453 1
03955953 1
06543100 10
05947200 2
02745400 1
06220800 1
04377667 2
05960900 2
06436200 2
06537200 2
06545500 1
04424951 1

Description

Mower Blade, 14.83" (915148, 170)
Blade, Mower 17.35" (915150)
Washer, Bellville .63 x 1.625 x .14
Nut, Hex .62-18
Bolt, Shoulder .38-16 x 2.50 Hex Washer Head
Nut, Locking Top Flange .38-16
Anti-Scalp Wheel, 5 x 3 OS (915148, 170)
Anti-Scalp Wheel, 5 x 3 OS (915150)
Pin, Bow Tie Locking Cotter .091 x 1.875
Bracket, Discharge Chute Mount 42" (915148, 170)
Bracket, Discharge Chute Mount 50" (915150)
Discharge Chute – Molded
Spring, Torsion
Pin, 5/16 x 5.80"
Pin, Hair Internal .08 x .18 x 1.18
Weldment, Discharge Chute MT. Strap
Belt Cover, Left Hand 42" (915148, 170)
Belt Cover, Left Hand 50" (915150)
Belt Cover, Right Hand 42" (915148, 170)
Belt Cover, Right Hand 50" (915150)
Screw, Tapping .25-20 x .50 Hex Washer Head (915148, 170)
Screw, Tapping .25-20 x .50 Hex Washer Head (915150)
Screw, Tapping .25-20 x .75 Hex Washer Head
Baffle, 42 Rear (915148, 170)
Baffle, 50 Rear (915150)
Weldment – Baffle, Discharge 42" (915148, 170)
Baffle, 50" Deflector (915150)
Nut, Locking Top Flange .31-18
Bolt, Hex .31-18 x .50
Roller (915150)
Bolt, Round Head Square Neck .31-18 x .75
Wireform, Drag Link
Bolt, Hex .38-16 x 3.50
Washer, Flat Steel .406 x .812 x .065
Nut, Locking Center Jam .375-16
Nut, Locking Nylon Flange .38-16
Strap, Drag Link

37

Gravely
655 West Ryan Street
Brillion, WI 54110
920-756-4688
Fax 920-756-2407
www.gravely.com



---

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