PartsManual 85325 3 Briggs & Stratton 40336 Parts

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Illustrated Parts List

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MODEL
040336-00

20,000 Watt
Home Generator System
Manual Part No.

31900

Revision A
Rev. Date: 2/5/2013

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Table Of Contents
PRODUCT COMPONENTS

PAGES

Main Unit ..............................................................................................................................................................
4
Alternator .............................................................................................................................................................. 6
Control Panel .......................................................................................................................................................
8
Enclosure ............................................................................................................................................................. 10

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Torque Specification Chart ............................................................................. Inside Back Cover

Exploded View - Main Unit
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.

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318925

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

4

319002

Parts List - Main Unit
Ref. Part No.

Description

1
2
3
4
5
6

B314636GS
B198896GS
187594GS
----24910GS
-----

BASE
BRACKET
MOUNT, Vibration
* CAPSCREW, Hex Head, 5/16-18 x 2-1/2
SCREW
* WASHER, Flat, M8

45
46
47
48
49
50

195235GS
312781GS
318459GS
691656
206976GS
318880GS

Description
ADAPTER, Engine
ELBOW
FITTING
SOLENOID, Starter
FITTING
SOLENOID

7
8
9
10
11
12
13
14
15
16
17
18

------------------------316188GS
316961GS
314628GS
----B4300GS
314629GS

* WASHER, Lock, M8
* NUT, 5/16-18
* WASHER, Flat, M10
* WASHER, Lock, 3/8
* CAPSCREW, Hex Head, 3/8-16 x 1
* CAPSCREW, Hex Head, 5/16-18 x 3/4
HARNESS
WIRE, Ground Relay
DUCT
* SCREW, M5-0.8 x 10
BOLT
BRACKET

51
52
53
54
55
56
57
58
59
65

314662GS
314693GS
845702
----845046GS
318002GS
--------318449GS
703877

19
20
21
22
23
24

314641GS
204426GS
47411GS
----313561GS
-----

WIRE, Ground
SWITCH, Temp
CAPSCREW, Hex Head, M6-1.0 x 16
* WASHER, Lock, 1/4
PLATE, Switch
* WASHER, Shakeproof, #4

900
---

----317247GS
317246GS

TUBE
FITTING, Barb
VALVE, LP/NG Switch
* CAPSCREW, Hex Head, M6-1.0 x 30
REGULATOR
FITTING
* NUT, 1/4-20
* NUT, Hex, M6-1
DECAL SHEET, Warnings
FUEL REGULATOR ASSEMBLY (Includes Ref.
Nos. 46, 47, 49, 52, 53, 55 & 56)
** ENGINE
MANUAL, Install (Not Illustrated)
MANUAL, Operator (Not Illustrated)

-----

318937GS
318973GS
311713GS
203374GS

25
26
27
-28
29

186242GS
1723165SM
314637GS
318449GS
318449GS
194561GS

SCREW
HOSE, Oil
HARNESS, Wiring
DECAL SHEET, Warnings
DECAL SHEET, Warnings
SCREW

--

195200GS

--

203417GS

30
31
32
33
34
35
36
37
38
39
40
41

317479GS
317255GS
----317324GS
317323GS
----317480GS
315454GS
314642GS
314640GS
314663GS
809872

STEPPER MOTOR
BRACKET
* CAPSCREW, Hex Head, M3-0.5 x 6
ARM, Link
ROD
* CAPSCREW, Hex Head, M3-0.5 x 8
HARNESS, Wiring
SEAL
SNORKEL
WIRE, Battery, Ground
MUFFLER
GASKET

----

314941GS
6036
6229

--

6231

--

6254

42
43
44

845699
----23645GS

CLEVIS
* SCREW, M8 x 25
SCREW

KIT, Manual, Acc. (Not Illustrated)
KIT, Hardware (Not Illustrated)
HOSE, Flex (Not Illustrated)
PAINT, Touch Up, CNTNM Charcoal (Not
Illustrated)
HANG TAG, Attn. Standby Equipment (Not
Illustrated)
PAINT, Spray, CNTNM Charcoal (Optional
Accessory)
BATTERY WARMER (Optional Accessory)
KIT, Maintenance (Optional Accessory)
KIT, Wireless Monitor (Optional Accessory)

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Ref. Part No.

KIT, Cold Weather (Includes Battery & Oil
Warmers) (Optional Accessory)
KIT, Oil Warmers (Optional Accessory)

Footnotes
* Items without part numbers are common fasteners and are available at your local hardware store.

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

5

319002

Exploded View - Alternator
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.

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318313

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

6

319002

Parts List - Alternator
Description

1
2
3
4
5
6

195235GS
314664GS
314666GS
195234GS
315199GS
66386GS

ADAPTER, Engine
ROTOR
STATOR
RBC
SCREW
BRUSH ASSEMBLY

7
8
9
10
11

66849GS
203200GS
315204GS
199888GS
315440GS

TAPTITE
WASHER
BOLT
O-RING
GROMMET

Ref. Part No.

Description

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Ref. Part No.

Footnotes

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

7

319002

Exploded View - Control Panel
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.

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318322

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

8

319002

Parts List - Control Panel
314631GS
316948GS
316205GS
205479GS
----319009GS

BOX, Control
SEAL
SEAL
REGULATOR, Voltage
* BOLT, Hex Head, #10-32 x 3/8
DOOR, Access

7
8
9
10
11
12
13
14
15
16
17
18

314632GS
----314639GS
318449GS
314633GS
317371GS
----317368GS
192770GS
208365GS
313585GS
311318GS

BRACKET
* SCREW, #10-32 x 3/8
HARNESS
DECAL SHEET, Warnings
BRACKET
DECAL
* SCREW, M2.5-0.45 x 8
DECAL
BRACKET
TERMINAL BLOCK
DECAL
BREAKER, Circuit

19
20
21
22
23
24

----------------315423GS
199011GS

* SCREW, #10-32 x 3/4
* NUT, 1/4-20
* CAPSCREW, Hex Head, 1/4-20 x .75
* WASHER, External Lock, M6
CONTROL PANEL
LUG

25
26
27
28
--

B314635GS
318449GS
318449GS
318449GS
198573GS

COVER, Control Panel Box
DECAL SHEET, Warnings
DECAL SHEET, Warnings
DECAL SHEET, Warnings
FUSE (Not Illustrated)

Ref. Part No.

Description

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Description

1
2
3
4
5
6

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Ref. Part No.

Footnotes
* Items without part numbers are common fasteners and are available at your local hardware store.

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

9

319002

Exploded View - Enclosure
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.

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317251

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

10

319002

Parts List - Enclosure
B314636GS
AR314645GS
314638GS
315447GS
318243GS
-----

BASE
PANEL, End, Left
SUPPORT, Rail
INSULATION
PANEL, Front
* WASHER, External Lock, M6

7
8
9
10
11
12
13
14
15
16
17
18

----314619GS
314290GS
B4300GS
315443GS
315453GS
AR314694GS
315452GS
318235GS
318449GS
317921GS
-----

* CAPSCREW, Hex Head, 1/4-20 x 3/4
LATCH
KEY, Latch
BOLT
LATCH, Arm
INSULATION
PANEL, End, Right
INSULATION
ROOF
DECAL SHEET, Warnings
DECAL
* NUT, Flange, 1/4-20

19
20
21
22
23
24

311644GS
316954GS
AR314651GS
AR314681GS
314652GS
314647GS

SCREW
TRIM
PANEL, Back
PANEL, Corner
SUPPORT-RAIL
BRACKET, Roof Support

25
26
27
28
29
30

AR314644GS
314646GS
314649GS
314672GS
314679GS
314625GS

PANEL, Corner
BRACE
SPRING
BRACE
BRACKET, Roof Support
SUPPORT

31
32
33
34
35
36
37
38
39
40
41
42

314684GS
314661GS
314682GS
311692GS
----314626GS
315454GS
314624GS
314620GS
318449GS
314621GS
314699GS

PANEL, Intake, Alternator
CLIP
SEAL
SEAL
* WASHER, Flat, M8
DUCT, Alternator
SEAL
PANEL, Muffler
PANEL, Muffler, Bottom
DECAL SHEET, Warnings
PANEL, Muffler, Top
DEFLECTOR, Muffler

43
44
45

317254GS
316951GS
314683GS

DEFLECTOR, Exhaust
SEAL
PANEL, Intake, Engine

Ref. Part No.
46
47
48
49
50
51
--

316202GS
318449GS
198460GS
194561GS
316194GS
315444GS
316193GS

Description
TRIM
DECAL SHEET, Warnings
PLUG
SCREW
SCREEN
SUPPORT
PLUG, Roof (Not Illustrated)

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Description

1
2
3
4
5
6

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Ref. Part No.

Footnotes
* Items without part numbers are common fasteners and are available at your local hardware store.

The above parts group applies to the following Mfg. Nos.:
040336-00 - 20,000 Watt BSPP Home Generator System

Briggs & Stratton Power Products Group, LLC
Copyright © 2013 by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved

11

319002

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Hardware Identification & Torque Specifications
Torque Specification Chart

Torque Specification Chart

FOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%)
5.6

8.8

Class 5.6

10.9
Class 10.9

Class 8.8

SAE Grade 2

Class 12.9

Size Of
Hardware

Nm.

in/lbs
ft/lbs

Nm.

in/lbs
ft/lbs

Nm.

in/lbs
ft/lbs

Nm.

M3
M4
M5
M6
M7
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
M33
M36
M39

.56
1.28
2.50
4.3
7.1
10.5
21
36
58
88
121
171
230
295
435
590
800
1030
1340

13.44
30.72
60.96
7.3
12.1
17.7
35
61
101
147
202
290
390
497
733
995
1349
1740
2249

1.28 19.2
2.90 43.44
5.75 5.97
9.9 10.3
16.5 16.9
25
24
50
48
83 86.2
136
132
210
200
287
275
405
390
559
530
708
375
995 1032
1350 1401
1830 1902
2360 2441
3050 3163

1.80
4.10
8.10
14
23
34
67
117
185
285
390
550
745
960
1400
1900
2580
3310
4290

22.92
52.56
7.15
12.1
19.9
29
59
103
162
250
346
486
656
840
1239
1681
2278
2935
3798

2.15
4.95
9.7
16.5
27
40
81
140
220
340
470
660
890
1140
1680
2280
3090
3980
5150

8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
7/8-14
1-8
1-12

The guides and ruler furnished below are designed to
help you select the appropriate hardware.

0

20

10

30

40

50

60

80

70

90

Body
Diameter

Screw, M8- 1.25 x 25

Thread
Diameter (mm)
Threads
Inside
Diameter (in) per inch

1/4

1/2

2.1
2.3
3.1
3.5
7.6
8.6
15.0
16.3
27.2
31.3
40.8
47.6
68.0
74.8
88.4
102.0
122.4
136
217.6
244.8
190.4
210.8
299.2
326.4

Body
Length (mm)
Body
Length (in)

in/lbs
ft/lbs
30
31
43
49
8
10
17
19
30
35
50
55
75
90
110
120
150
180
260
300
400
440
580
640

SAE Grade 8

Nm.

in/lbs
ft/lbs

Nm.

3.4
3.5
4.9
5.5
10.9
13.6
23.1
25.8
40.8
47.6
68.0
74.8
102.0
122.4
149.6
163.2
204.0
244.8
353.6
408.0
544.0
598.4
788.8
870.4

41
43
60
68
12
14
25
29
45
50
70
80
110
120
150
170
220
240
386
420
600
660
900
1,000

4.6
4.9
6.8
7.7
16.3
19.0
34.0
34.0
61.2
68.0
95.2
108.8
149.6
163.2
204.0
231.2
299.2
326.4
525.0
571.2
816.0
897.6
1,244.0
1,360.0

NOTES

1. These torque values are to be used for all hardware
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
2. Recommended seating torque values for locknuts:
a. for prevailing torque locknuts - use 65% of grade 5
torques.
b. for flange whizlock nuts and screws - use 135% of
grade 5 torques.
3. Unless otherwise noted on assembly drawings, all torque
values must meet this specification.

Screw, 1/2- 16 x 2

1
3/4

Distance between
threads (mm)
Threads
per inch

Thread
Diameter (mm)
Body
Diameter

Nut, 1/2-16
0

19
20
27
31
66
76
11
12
20
23
30
35
50
55
65
75
90
100
160
180
140
155
220
240

SAE Grade 5

Nm.

100

Body Length

Nut, M8

in/lbs
ft/lbs

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in/lbs
Size Of
Hardware ft/lbs
5.88
13.44
26.4
44.64
5.2
7.7
15
26
42
64
89
126
169
217
320
435
590
759
988

No
Marks

Hardware
Grade

12.9

n

Property
Class

FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)

1/4

1/2

2
3/4

1/4

1/2

3
3/4

1/4

1/2

4

Common Hardware Types

3/4

Hex Head Capscrew

Washer

Standard Hardware Sizing
When a washer or nut is identified as 1/2” (M8), this is
the Nominal size, meaning the inside diameter is 1/2 inch
(8mm metric thread diameter); if a second number is present
it represents the threads per inch (distance between threads).
When bolt or capscrew is identified as 1/2 - 16 x 2” (M8 - 1.25 x 50 ),
this means the Nominal size, or body diameter is 1/2 inch (8mm
metric thread diameter), the second number,16, represents the
threads per inch, (1.25 thread diameter). The final number is the
body length of the bolt or screw, 2 inches (50mm).

Lockwasher
Carriage Bolt
Hex Nut

Wrench & Fastener Size Guide

1/4” Bolt or Nut
Wrench—7/16”

5/16” Bolt or Nut
Wrench—1/2”

3/8” Bolt or Nut
Wrench—9/16”

M6 Bolt or Nut
Wrench—10mm

M8 Bolt or Nut
Wrench—13mm

M10 Bolt or Nut
Wrench—17mm

7/16” Bolt or Nut
1/2” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench—3/4”
Wrench (Nut)—11/16”
M12 Bolt or Nut
Wrench—19mm

M14 Bolt or Nut
Wrench—22 mm

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Briggs & Stratton Power Products Group, LLC
Copyright© 2013 Briggs & Stratton Power Products Group, LLC. All rights reserved. No part of this page can be
reproduced or transmitted in any form by any means without the express written permission of Briggs &
Stratton Power Products Group, LLC.



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