988721FC Parts Manual Factory Cleaning ES1720TD REV STAR 0110.pmd Bulldog WD20

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Parts Manual
Bulldog 20” Traction Drive
Walk Behind Scrubber

Technical Specifications
Model

Bulldog 20” Traction Drive Walk Behind Scrubber

Model No.

E20DTDQP-FC / E20DTDQPG-FC

Current (Max)
Battery Capacity (Lead Acid)
Battery Capacity (Gel)
Sound Level
Cleaning path width
Squeegee width
Productivity
Working speed
Transport Speed
Rated voltage
Vacuum flow
Vacuum waterlift
Vacuum power
Brush type
Brush motor(s) power
Number of brushes
Brush RPM
Aqua-Stop equipped
Solution capacity
Recovery capacity
Working Grade
Weight with batteries
Weight without batteries
Dimensions (LxWxH)
Drive Motor Power

40 amps
140Ah @20 hr
95Ah @20 hr
69 dBA
20 in (51 cm)
34 in (86 cm)
27,280 ft2 /hr ( 2,534 m2)
3.1 mph (5 km per hr)
3 mph (4.8 km per hr)
24 volts
65 cfm (110 m3/hr)
45 inches ( 112mbar)
.60 HP (450 W)
Disc
3/4 HP (560W)
1
180 RPM
Coming Soon
12 Gal (45 liters)
13 Gal (49 liters)
2%
372 lbs (169 kg)
238 lbs (108 kg)
47.4 x 21.3 x 42.3 (120.4 x 54.1 107.4 cm)
1/5 HP (150W)

For Safety When Servicing or Maintaining Machine
•
•
•
•
•
•

Stop on level surface.
Disconnect the power to the machine by pulling the red Battery Connector located under the recovery tank near the batteries.
Avoid moving parts. Do not wear loose jackets, shirts, or sleeves when working on machine.
Avoid contact with battery acid. Battery acid can cause burns. When working on or around batteries, wear protective clothing and
safety glasses. Remove metal jewelry. Do not lay tools or metal objects on top of batteries.
Do not clean machine with a pressure washer.
Authorized personnel must perform repairs and maintenance. Use Manufacturer supplied replacement parts.

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Table of Contents
Main Assembly ................................................................................................................................ 1
Main Assembly BOM ....................................................................................................................... 2
Traction Drive Base Assembly ........................................................................................................ 3
Traction Drive Base Assembly BOM ............................................................................................... 4
Base Assembly ................................................................................................................................ 5
Chassis Assembly ........................................................................................................................... 6
Chassis Assembly BOM .................................................................................................................. 7
Solution Valve Assembly ................................................................................................................. 8
Solution Tank Assembly .................................................................................................................. 9
Lift Pedal Stop Assembly ............................................................................................................... 10
Recovery Tank Assembly .............................................................................................................. 11
Recovery Tank Assembly BOM ..................................................................................................... 12
Handle Assembly .......................................................................................................................... 13
Battery Tray Assembly .................................................................................................................. 14
Electrical Box Assembly ................................................................................................................ 15
Electrical Box Assembly BOM ....................................................................................................... 16
Electrical Box Cover Assembly ...................................................................................................... 17
Vac Motor Assembly ...................................................................................................................... 18
20” TD Disk Deck Assembly .......................................................................................................... 19
20” TD Disk Deck Assembly BOM ................................................................................................. 20
Brush Hub Assembly ..................................................................................................................... 21
Rear Squeegee Assembly (Curved) .............................................................................................. 22
Squeegee Mechanism Assembly .................................................................................................. 23
Optional Pump Kit ......................................................................................................................... 24
Wiring Diagrams ............................................................................................................................ 25

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Main Assembly

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 1

Main Assembly BOM

BILL OF MATERIAL - E20DTDQP-FC / E20DTDQPG-FC
ITEM PART NO. REQ'D DESCRIPTION
1
172010
1 HOSE, CLEAR VAC W/ 45 CUFF
2
172018
1 SOLUTION TANK LID ASSY
3
172100TD
1 BRUSH DECK ASSY 20"
4
172520-1
1 BRUSH, 20" NYLON
5
172150
1 SQUEEGEE LIFT MECH ASSY
6
172159
1 FILTER, FILL PORT
7
172230
1 SQUEEGEE ASSY, 34" (860MM) CURVED
8
450076
1 CLAMP-CRIMP 185R SS
9
711118
1 SCR-ST-A 10 X .75 SS
10
711374
1 NUT-NYLOC 5/16-18
11
711375
3 NUT-NYLOC 3/8-16 X 1/2 NUT
12
711523
1 WSR-WAVE .37X .68 X .08
13
711569
1 WSR-FLT .390 X .880 X .062 NYL
14
711592
6 WSR-FLAT .506 X .9 X .064 NYL
15
712143
1 BLT-SHLD 3/8 X 2.0, 5/16-18
16
712301
2 WSR-FLAT .37 X .87 X .06
17
715920FC
2 DECAL (NOT SHOWN)
18
740164-1
1 JUMPER CABLE ASSY, RED 4G 12"
19
747649
1 CABLE ASSY, BATTERY
20
956140
2 BATT ERY, 12V 140AH
20G
956100
2 GEL BATTERY 12V 95AH
21 172001TDFC
1 BRUSH DRIVE BASE ASSY
22
712099PLT
3 BLT- SHLDR 1/2 X 1/2 ZINC PLT
23
715914FC
1 DECAL (NOT SHOWN)
24
172008
1 SOLUTION TANK LID
25
172123
1 CHAIN, BEADED SS W/EYELETS
26
712145
1 SCR-MC 6-32 X .37 PPH SS

ITEM
4.1
4.2
4.3

PART NO.
172520-2
172520-3
172520-6

OPTIONAL BRUSHES
DESCRIPTION
20" PAD DRIVER
BRUSH, 20" POLY GRIT
DISC BRUSH 20", SCRUB GRIT 2, 120GR RED

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 2

Traction Drive Base Assembly

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 3

Traction Drive Base Assembly BOM

BILL OF MATERIAL - 172001TDFC
ITEM PART NO. REQ'D DESCRIPTION
ITEM PART NO. REQ'D DESCRIPTION
1
172009
1 TD CHASSIS ASSY
30
711519
3 WSR- FLAT .25 X 1.01 X .06
2
172012
1 BATTERY T RAY ASSY
31
711523
1 WSR-WAVE .37X .68 X .08
3
172015
1 TD HANDLE ASSY
32
711543
1 WSR-HELICAL #10
4
172032
1 LIFT PEDAL WMT
33
711544
9 WSR-HELICAL 1/4
5
172050
1 VAC MOTOR ASSY
34
711546
6 WSR-HELICAL 3/8
6
172055
1 BKT, VAC AREA INSIDE COVER
35
711575
6 WSR-FLT .31x.75x..06ST
7 172075-120 1 ELEC BOX TD ASSY 120V
36
711803
1 COTTER PIN
8
172079FC
1 TD ELEC BOX COVER ASSY
37
712041
1 BLT- SHLDR .31 X .375 X 1/4-20
9
172085
2 KNOB, 3/8-16 STUD, 3 LOBE
38
712117
1 CLEVIS PIN 3/16
10
172112
1 SOL CONTROL ASSY
39
712301
6 WSR-FLAT .37 X .87 X .06
11
172129
1 BKT, PWR CORD MOUNT
40
712312
2 WSR-FLAT .187 X 1.25
12
172166
1 TD LIFT PEDAL BKT ASSY
41
712562
2 BOLT-HH 1/4-20X3/4 SS
13
172179
1 CHARGER INLET ASSEMBLY
42
712683
2 NUT, HEX 5/16-18 NYLOC SS
14
172184
1 FOAM COVER, REAR 1
43
712758
2 WSR-HELICAL 1/4 SS
15
172185
1 FOAM COVER, REAR 2
44
712772
2 WSR-FLAT .344 x .75 x .06 SS
16
172187
1 FOAM COVER, FRONT 2
45
712800
1 SCR-MC 10-24 X .25 ST PL
17
210142
1 PEDAL PAD
46
712810
5 SCR-MC 10-24 X .37 ST PL
18
260203
1 WIRE GRIP HOSE CLAMP
47
713042
4 BLT-HH 3/8-16 X 1 #5
19
293080
1 STRAIN RELIEF-HEYCO 1207
48
715029
1 DECAL-NAME PLATE SERIAL
20
342440
1 FITT ING, TEE 3/4MPT 1/2BARB
49
715047
1 DECAL-CLEAR LAMINATE 2X3
21
430156
1 HOSE, 1/2 X 42 CLEAR
50
715950
1 LABEL, PATENT NUMBERS
22
450093
2 CRIMP CLAMP 3/4" STEPLESS
51
717025
1 WSR-FLAT 13/16ID X 1.25 X .08
23
710177
1 SCR-MC 1/4-20 X .37 ST PL
52
760592
1 KNOB, OVAL TAPERED
24
710178
10 SCR-MC 1/4-20 X .50 TRUSS STPL
53
809443
1 CLIP-WIRE & CORD
25
710380
5 SCR-MC RD HD 1/4-20 X .75 STL PL 54 172001FC
1 BASE ASSY
26
710985
2 SCR-SC 3/8-16 X .62 ST PL
55
172115
1 SOL CNTRL LEVER ASSY
27
711504
2 WSR-FLAT 1/4 ID SS
56
172122
1 NUT, PUSH-ON WSR CAP, 3/16
28
711507
2 WSR-FLAT .37 X 1.12 X .06
57
172069
1 ROD, SOL. CTRL, ES1720
29
711508
2 WSR-FLAT .44X 1.0X.08
58
172062
1 YOKE, 3/16 CLEVIS, 10-32, LONG

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 4

Base Assembly

BILL OF M ATERIAL - 172001FC
ITEM PART NO. REQ'D DESCRIPTION
1
172013FC
1
SOL TANK ASSY, E1720
2
172014FC
1
REC TANK ASSY
3
172144
1
PANEL, FRONT 1720
4
711504
3
W SR-FLAT 1/4 ID SS
5
711543
4
W SR-HELICAL #10
6
712041
1
BLT- SHLDR 1/4-20 X .44 X .37
7
712312
4
W SR-FLAT .187 X 1.25
8
712565
2
SCR-M C 1/4-20X.63 SS TR HD
9
712757
1
W SR - HELICAL #10 SS
10
712758
2
W SR-HELICAL 1/4 SS
11
712812
4
SCR-M C 10-24 X .62 PPH ST PL
12
712822
1
SCR-M C TR HD 10-24 X .50 SS

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 5

Chassis Assembly

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 6

Chassis Assembly BOM

BILL O F M ATERIAL - 172009
ITEM PART NO. REQ'D DESCRIPTIO N
1
61-65-A
2
KEY, 3/16 X 1-3/4"
2
70-516-16
2
BLT -CAR 5/16-18 X 1.00 ZP
3
172020
1
M AIN FRAM E WM T
4
172038
4
BEARING BLOCK
5
172039
1
BEARING BLOCK PLAT E
6
172104
1
T D SOLENOID ASSY
7
172110
1
DECK SWIT CH ASSY
8
172113
2
BKT , T RANSAXLE M OUNT BASE
9
172114
2
BKT , T RANSAXLE M OUNT
10
172167
2
CAST ER, 3-1/2 POLYURET HANE
11
172192
2
PLAT E, 1/4" SPACER
12
172264
1
SOLUT ION VALVE ASSY
13
172368
1
UPPER LIFT ARM
14
172370
1
DISC DECK LIFT WM T
15 200172-2
2
WHEEL, 8.5" FOAM FILL
16
281200
1
DRAG CHAIN ASSY, FRAM E
17
450076
1
CLAM P-CRIM P 185R SS
18
711383
4
NUT -HEX CLR LOC 5/16-18
19
711504
13 WSR-FLAT 1/4 ID SS
20
711512
2
WSR-FLAT .75X1.37X.08
21
711569
4
WSR-FLT .390 X .880 X .062 NYL
22
711592
2
WSR-FLAT .506 X .9 X .064 NYL
23
711715
2
RET AINING RING EXT .75
24
711809
1
COT T ER PIN, 1/8 X 1.0
25
711855
2
WSR-FLT .37X1.12X.10 ST L Z HARD
26
712140
8
WSR-HELICAL 5/16 SS
27
712265
1
CLEVIS-YOKE, 1/2-20 W/ .375 PIN
28
712301
2
WSR-FLAT .37 X .87 X .06
29
712562
1
BOLT -HH 1/4-20X3/4 SS
30
712564
8
BOLT -HH 1/4-20X1.00 SS
31
712575
8
BLT -HH 5/16-18 X .75 SS
32
712758
14 WSR-HELICAL 1/4 SS
33
712760
1
WSR-FLAT .56X1.06X.04 SS
34
712772
14 WSR-FLAT .344 x .75 x .06 SS
35
713006
4
BLT -HH 1/4-20 X 1 3/4 #5
36
717026
2
SCR-SC SHCS M 6X1.0 X 25 ST L Z
37
747606
1
T RANSAXLE, 24V
38
809444
1
CLIP-CORD
39
833374
1
PIN, HAIRPIN COT T ER 3/8
40
833833
1
PIN-CLEVIS 3/8 X 1.25
41
3400449
1
NUT -HEX JAM 1/2-20 ZP

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 7

Solution Valve Assembly

BILL OF MATERIAL - 172264
ITEM PART NO. REQ'D DESCRIPTION
1
172158
1 HOSE, 1/2"ID X 7.5" NYLOBRAID
2
172263
1 BKT, SOL VALVE MOUNT
3
320265
1 FITTING DUBL 3/8HBx3/8MPT
4
383347
1 CRIMP CLAMP 1/2 HOSE SS 185R
5
711512
2 WSR-FLAT .75X1.37X.08
6
711513
1 WSR-FLAT .69 X 1.06 X .03 SS
7
809415
1 VALVE, 3/8 FPT, 45 OPEN/CLOSE
8
827008
1 FITTING, 3/8 MPT 1/2 HOSE

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 8

Solution Tank Assembly

ITEM PART NO.
1 172003FC
2
172080
3
172082
4
172341
5
260579
6
342438
7
711507
8
711546
9
712822
10
713041

BILL OF MATERIAL ‐ 172013FC
REQ'D DESCRIPTION
1 SOLUTION TANK
1 HANDLE MOUNT ASSY, LEFT
1 HANDLE MOUNT ASSY, RIGHT
1 HOOK, DRAIN HOSE WITH TWIST VALVE
1 TOOL CLIP, 1.5" HOSE
1 FITTING, 1/2 MPT 1/2 HB BRASS
4 WSR‐FLAT .37 X 1.12 X .06
4 WSR‐HELICAL 3/8
4 SCR‐MC TR HD 10‐24 X .50 SS
4 BLT‐HH 3/8‐16 X 3/4 #5

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 9

Lift Pedal Stop Assembly

BILL OF MATERIAL - 172157
ITEM PART NO. REQ'D DESCRIPTION
1
172036
1 BKT, PEDAL STOP
2
172065
1 CLIP, FOR 1/2" ID HOSE
3
710493
2 SCR-MC 4-40 X .75 PAN HD
4
710530
2 SCR-MC FL HD 8-32 X .50 BRS
5
711428
2 NUT-HEX 4-40
6
712326
2 WSR-INT LOCK #4
7
715685
1 DECAL, REMOVE SPLASH GUARD
8 747603-2
1 SWIT CH ASY, MICRO ROLLER W/PACK/CONDUIT

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 10

Recovery Tank Assembly

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 11

Recovery Tank Assembly BOM

ITEM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

PART NO.
172004FC
172005FC
172007FC
97090096
172017
172049
172067
172132
172329
711210
711212
711379
711519
711544
712565
712758
15282072
90304528

BILL OF MATERIAL - 172014FC
REQ'D DESCRIPTION
1
RECOVERY TANK
1
VACUUM MANIFOLD
1
LID
1
DRAIN HOSE ASSY, RECOVERY TANK
1
GASKET, LID
1
HINGE, RECOVERY TANK
1
REC TANK CABLE ASSY 11.625
1
SCREENED FLOAT
1
CLAMP-HOSE 1.56" 102122 MURRAY
2
BLT-HH 1/4-20 X 1.25 STPL
1
BLT-HH 1/4-20 X 1.50 STPL
1
NUT, FLANGED WIZZ 5/16-18
6
WSR- FLAT .25 X 1.01 X .06
3
WSR-HELICAL 1/4
3
SCR-MC 1/4-20X.63 SS TR HD
3
WSR-HELICAL 1/4 SS
1
REPLACEMENT O-RING (NOT SHOWN)
1
REPLACEMENT CAP

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 12

Handle Assembly

BILL OF MATERIAL - 172015
ITEM PART NO. REQ'D DESCRIPTION
1
172006
1 HANDLE
2
172053
1 BAIL PLATE WMT RH
3
172054
1 BAIL PLATE WMT LH
4
172057
2 LEAF SPRING
5
172059
1 BAIL, HANDLE
6
172074
2 SPACER, 5/16OD X 17GA, ALUM
7
270143
2 HANDLE PIVOT JAW
8
710353
4 SCR-MC RD HD 10-32 X .37 STL

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 13

Battery Tray Assembly

ITEM
1
2
3
4
5
6
7
8
9
10

PART NO.
172116
172213
210414
260224
320271
320272
320273
710178
711575
828490

BILL OF MATERIAL - 172012
REQ'D DESCRIPTION
1
BATTERY BOX
1
BKT, SPACER FOR BATTERIES
2
O RING 2-113
1
18" HOSE
1
NOZZLE BODY-ELBOW
2
NOZZLE BODY LOCKNUT
1
HOSE SHUT-OFF CLAMP
2
SCR-MC 1/4-20 X .50 TRUSS STPL
2
WSR-FLT .31x.75x..06ST
1
CRIMP CLAMP 140R

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 14

Electrical Box Assembly

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 15

Electrical Box Assembly BOM

BILL OF MATERIAL - 172075-120
ITEM PART NO. REQ'D DESCRIPTION
1
369‐416
3 NUT‐HEX 1/4‐20 NYLOC SERATED
2
172077
1 ELEC BOX‐BOT HALF WMT
3
172088
1 ELEC BOX‐TOP HALF WMT
4
172107
1 BKT, UPPER BUSHING MOUNT
5
172141
1 VAC SWITCH ASSY
6
172152
1 VAC LEVER WMT
7
172188_
1 FOAM TAPE, 1/2" SQ X 16.5"
8
172381
1 CABLE ASSY, SQUEEGEE LIFT
9
172385
1 120V CHARGER ASSEMBLY
10
670093
1 SPRING, COMPRESSION
11
710178
3 SCR‐MC 1/4‐20 X .50 TRUSS STPL
12
710534
2 SCR‐MC TR HD 8‐32 X 1.00 SS
13
711372
2 NUT‐NYLOC 8‐32 STL ZINC
14
711383
2 NUT‐HEX CLR LOC 5/16‐18
15
711505
9 1/4 FLAT WASHER, STEEL
16
711508
1 WSR‐FLAT .44X 1.0X.08
17
711516
2 WSR‐ FLAT .31 X 1.25 X .05
18
711544
3 WSR‐HELICAL 1/4
19
712320
2 WSR‐NYLON .22 X .45 X .04
20
712770
6 WSR INT LOCK #10A SS
21
712810
6 SCR‐MC 10‐24 X .37 ST PL
22
742748
4 CIRCUIT BREAKER BOOT
23
747608
1 I‐DRIVE,24V 70A PM MOTOR CONTROL
24
747637
1 WIRE ASY, MACHINE‐BATTERY E1720
25
747670
1 ELEC PANEL ASSY
26
760134
2 MOUNT RING
27
762084
1 SPRING‐EXT .25OD X 2" F.L. MUSIC
28
762400
1 HEYCO BUSHING 2.00"
29
828062
1 CABLE TIE LARGE
30 15592033_CAP
2 CAP, SAFETY NUT COVER M8

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 16

Electrical Box Cover Assembly

B IL L O F M A T E R I A L - 1 7 2 0 7 9 F C
IT E M P A R T N O . R E Q 'D
1
172182
1
2
172193
1
3
172194
1
4
715671FC
1
5
715672
1
6
715674
1
7
715678
1
8
747011
1
9
747026
1
10
747614
1
11
7 4 7 6 1 7 -2
1
12
748201
1
13
748209
1
14
809874
1

D E S C R I P T IO N
T D C O VE R W M T
G AS K E T , C B O U T L IN E
G AS K E T , C H AR G E R C O R D P L AT E
D E C AL , T D D AS H B O AR D
D E C AL , C H AR G E S T AT U S , S O L U T IO N C T R L
D E C AL , T D C IR C U IT B R E AK E R
D E C AL . D IAG N O S T IC C O D E S T D
B AT T E R Y G AU G E , T R U C H AR G E
P O T E N T IO M E T E 0 R AS S Y S P E E D C O N T R O L
C H AR G E S T AT U S IN D IC AT O R
K E YS W IT C H AS Y, K E YS W IT C H + W IR
S W IT C H , D P D T O N /O F F /O N
G AS K E T -F O R 2 P O L E R O C K E R S W IT C H E S
KNO B, SPEED CO NT RO L

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 17

Vac Motor Assembly

BILL OF M ATERIAL - 172050
ITEM PART NO. REQ'D DESCRIPTION
ITEM PART NO. REQ'D DESCRIPTION
1
172045
1
VA C M OUNT W M T, E S1720
7
450095
1
CRIM P CLAM P , 1.75"
2
172048
1
HOSE, STRETCH 13"
8
711160
4
#10 X 5/8 HI-LO
3
172124
1
EDGE TRIM , .063 X 3.0, B LACK
9
711503
4
W SR, FLA T#10
4
172186
1
FOAM COV ER, FRONT 1
10
715676
1
DECA L, BA TT CABLE ROUTE, E 1720
5
172187
1
FOAM COV ER, FRONT 2
11
747607-1
1
V AC M OTOR A SY, E1720
6
172188
2
FOAM TAPE , 1/2" SQ X 16.5"

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 18

Brush Hub Assembly

ITEM
1
2
3
4

PART NO.
11127000
12310256
90541814
172096MCH

BILL OF M ATERIAL - 172510
REQ'D DESCRIPTION
3
SCR-SHCS M6X30 SS, ISO4762
3
WSR-FLT 6.4X12X1.6, SS DIN125
1
DRIVE HUB, PLASTIC 3 LOBE
1
BASE, DRIVE HUB WITH KEYWAY

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 21

Rear Squeegee Assembly (Curved)

IT EM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

P ART NO .
172074
172162
172163
172234
172235
172240
172241
172245
172246
172250
172271
172274
430322
712772
712773
11 0 3 9 5 6 7
11 1 7 5 4 9 4
11 5 1 8 3 1 3
12 0 2 2 4 3 0
12 0 4 0 2 8 3
17 1 3 3 0 2 6
90 3 3 6 6 3 7
90 5 1 3 6 3 1

B I L L O F M A T E R IA L - 1 7 22 3 0
R E Q 'D D E S C R I P T IO N
2
S P A C E R , 5 / 1 6O D X 1 7G A , A L U M
1
B LA D E , F R O N T 3 4 " S Q U E E G E E
1
B LA D E , R E A R 3 4 " S Q U E E G E E
1
L E V E R , 9 0 5 35 7 5 8
1
S Q U E E G E E W M T, 3 4 " (86 0 )
1
S TR A P W M T, F R O N T L E F T
1
S TR A P W M T, F R O N T
1
S TR A P W M T, R E A R
1
S TR A P W M T, R E A R
2
S Q U E E G E E C A S TE R A S S Y
1
B U M P E R , 34 " S Q G
1
E D G E TR IM 5 /1 6 X 1 0 " B L A C K
2
B U S H IN G . 4 3 5 X . 6 2 5 X . 5 0
8
W S R -F L A T . 3 4 4 x . 7 5 x . 0 6 S S
2
W S R F LA T .438 X 1.25 X .07 S S
6
B LT-H H M 8 X 2 5 S S D IN 9 3 3
2
S C R -M C M 5 X 25 S S D IN 7 9 8 5
1
B LT-E Y E M 5 X 4 0 S S
1
N U T-H E X M 5 S S D IN 9 3 4
2
N U T-H E X M 5 N Y L O C S S D IN 9 8 5
2
K N O B , M 10 S TA R H A N D L E
2
W HE E L, 3.15O D
1
P IN , TH D 9 0 51 3 6 3 1

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 22

Squeegee Mechanism Assembly

B IL L O F M A T ER IA L - 172150
IT E M P A R T N O . R E Q 'D
1
172134
1
2
172155
1
3
172196
1
4
172197
1
5
172261
1
6
172352
1
7
172357
1
8
260579
1
9
430051
1
10
710530
2
11
711504
4
12
711515
2
13
711523
2
14
711592
2

D E S C R I P T IO N
B K T , M AIN S Q U E E G E E H IN G E
SQ UEEG EE M O UNT W M T
S Q T O P L IN K W / B U S H IN G
S Q B O T L IN K W / B U S H
T O R S IO N S P R IN G
P IN , 3 /8 X 3 .0 , S Q G S T R AP
S T R AP , 9 " P U , B L AC K
T O O L C L IP , 1 .5 " H O S E
R E T U R N S P R IN G -3 .0 0 "
S C R -M C F L H D 8 -3 2 X .5 0 B R S
W S R -F L AT 1 /4 ID S S
W S R -F L AT .4 0 6 X .8 1 2 X .0 6 2 5
W S R -W AVE .3 7 X .6 8 X .0 8
W S R -F L AT .5 0 6 X .9 X .0 6 4 N YL

IT E M P A R T N O . R E Q 'D
15
711678
2
16
711717
2
17
711720
2
18
712147
1
19
712148
1
20
712157
2
21
712562
2
22
712665
2
23
712680
1
24
712683
2
25
712758
2
26
712760
3
27
712772
2
28
3400125
1

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

D E S C R IP T I O N
C L E VIS P IN 3 /8 X 2 -1 /4
R E T AIN IN G R IN G - E T YP E .3 7
.2 5 O D IA R E T AIN IN G R IN G - E T YP E
R O D -T H D 5 /1 6 -1 8 X 3 .5 S S
C L E VIS P IN , 1 /2 x 2 .2 5 W / H O L E
N U T - W IN G 5 /1 6 -1 8 S S
B O L T -H H 1 /4 -2 0 X 3 /4 S S
N U T -H E X 1 /4 -2 0 S S
N U T -H E X 5 /1 6 -1 8 S S
N U T , H E X 5 /1 6 -1 8 N YL O C S S
W S R -H E L IC AL 1 /4 S S
W S R -F L AT .5 6 X 1 .0 6 X .0 4 S S
W S R -F L AT .3 4 4 x .7 5 x .0 6 S S
P IN -C O T T E R 3 /8 R U E R IN G

Page 23

Optional Pump Kit

BILL OF MATERIAL - 172405
ITEM PART NO. REQ'D DESCRIPTION
1
172400
1 FITT ING-TEE 1/2X1/2X3/8HB NYLON
2 241097_PUMP
1 HOSE-WIRE REINF 3/8 X 31"
3
383347
2 CRIMP CLAMP 1/2 HOSE SS 185R
4
430114
1 1/4" FPT PLAST IC CAP
5
450076
2 CLAMP-CRIMP 185R SS
6
828952
1 FITT ING PP 1/4" MPT X 3/8" HOSE BARB

BILL OF MATERIAL - K-E1720P
ITEM
1
2
3
4
5
6

PART NO. REQ'D DESCRIPTION
172402
1 PUMP ASSY
711594
4 WSR-FLAT .56 X .88 X .03
747693-1
1 SWITCH ASY, TOGGLE ON-ON SPDT W/ 3P
828062-B
4 CABLE TIE LARGE-BLACK
828368
1 MALE COUPLER
172144FC
1 FRONT PANEL, FOR OAW, E1720

BILL OF MATERIAL - 172402
ITEM PART NO. REQ'D DESCRIPTION
1 172401-1
1 PUMP BKT ASM
2
320253
1 HOSE-WIRE REINF 3/8 X 14"
3
320264
1 FIT TING BRASS - 3/8 DBL BARB X 1/4MPT
4
450076
2 CLAMP-CRIMP 185R SS
5
710356
4 SCR-MC 10-32X.62 ST PL
6
711350
4 NUT-NYLOC 10-32
7
712764
4 WSR #10 SS
8
747691
1 PUMP, 24VDC 35PSI 3/8HOSE w/CONNECT OR

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Page 24

Wiring Diagrams

E1720TD PART REFERENCE LIST
Schematic 745092
REFERENCE #
M1 (optional)
M2
M3
M3 (model specific)
M4
Y1
K1
K2
K3
CB1
CB2
CB3
CB4
S1
S2A
S2B
S3
S4
S5
S6
S7
S8 (optional)
A1
CSI
HM (optional)
BC (model specific)
BC (model specific)
G1
G1 (optional)
D1
D2
D3
D4

COMPONENT NAME
PUMP, WATER (KIT K-E1720P)
MOTOR, BRUSH
MOTOR, VACUUM ASSEMBLY
MOTOR, VACUUM ASSEMBLY (H20 only)
TRANSAXLE
SOLENOID VALVE, WATER
RELAY, MAIN
RELAY, BRUSH MOTOR
RELAY, VACUUM
CIRCUIT BREAKER 4.0A, CONTROL
CIRCUIT BREAKER 30A, BRUSH MOTOR
CIRCUIT BREAKER 20A, VACUUM MOTOR
CIRCUIT BREAKER 20A, TRANSAXLE
KEYSWITCH
SWITCH, BRUSH MOTOR (at motor)
SWITCH, BRUSH MOTOR (handle)
SWITCH, VACUUM MOTOR
SWITCH, TRANSAXLE (handle)
SWITCH, DIRECTION
SWITCH, BRUSH UNLOAD
SWITCH, SOLENOID
SWITCH, PUMP- OFF AISLE WAND (KIT K-1720P)
CONTROLLER, I-DRIVE
CHARGER STATUS INDICATOR
HOUR METER (KIT K-E1720HM)
BATTERY CHARGER 115VAC (battery type specific)
BATTERY CHARGER 230VAC (battery type specific)
BATTERY, 12V 140AH (2 REQUIRED)
BATTERY, GEL 12V 100AH (2 REQUIRED)
DIODE, MAIN RELAY
DIODE ASM, BRUSH MOTOR RELAY
DIODE ASM, VACUUM MOTOR RELAY
DIODE ASM, SOLENOID VALVE

PART NUMBER
748691
748692
747607-1
747665-1
747606
740493
90331026
747615
747616
747609
740247
740220
740220
747617
747603-2
748603-1
748603-2
748603-1
748201
748603-2
747603-2
747693-1
747608
747614
747624
957761 (-2 or G-4)
957760 (-2 or G-4)
956140
956100
Part of K1
740482
740482
740482

REFERENCE #
X1
X2
X3
X4
X5
X6
X7
X8
X9
X10
X11
X12
X13
X14
X15
X16
X17 (optional)
X18 (optional)
X19
X20
X21
X22
X23
X24
X25
X26
X27
X28 (optional)
X29 (optional)

CONNECTOR FUNCTION
KEYSWITCH (S1)
SWITCH, BRUSH MOTOR (S2B)
CHARGER STATUS INDICATOR (CSI)
SWITCH, VACUUM (S3)
MOTOR, VACUUM (M3)
BATTERY CONNECTOR
SWITCH, BRUSH MOTOR (S2A)
SWITCH, BRUSH UNLOAD (S6)
SOLENOID VALVE, WATER (Y1)
OPERATOR HANDLE CABLE
OPERATOR HANDLE CABLE
KEYSWITCH (S1)- MAIN RELAY COIL (K1)
BATTERY CHARGER (BC)- INTERNAL RELAY
BATTERY CHARGER (BC)-INTERNAL RELAY
SOLENOID (Y1) /HOUR METER CONNECTION (HM)
SOLENOID (Y1) /HOUR METER CONNECTION (HM)
OPTIONAL HOUR METER (HM) WIRE-747656
OPTIONAL HOUR METER (HM) WIRE-747657
BATTERY GAUGE (BDI)
SPEED POT ASSEMBLY (R1)
SWITCH, TRANSAXLE (S4)
OPERATOR HANDLE CABLE: 747632-1
I-DRIVE HARNESS: 747673
TRANSAXLE (M4)
I-DRIVE (A1) TO VACUUM SWITCH (S3)
I-DRIVE (A1) TO VACUUM SWITCH (S3)
I-DRIVE (A1) TO VACUUM RELAY-CONTACT
SWITCH, TOGGLE WATER PUMP (S8)
PUMP, OFF AISLE WAND (M1)

PART # -female
744012
747022
Part of CSI
747022
748021
740159
747022
747022
747022
741093
740366
741093
740366
740366
740366
740366
740366
740366
Part of BDI
741298
747022
747029
Part of A1
748021
740366-1
741093
741093
747022
748021

PART # -male
748037
747021
Part of BC
747021
748020
740159
747021
747021
747021
740697
740697
741165
740697
740697
741165
741165
741165
741165
747033
741302
747021
747033
748037
748020
741165
740698
741165
747021
748020
Last Updated 01/05/10



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Author                          : lisagarc
Create Date                     : 2010:01:08 15:22:40-06:00
Modify Date                     : 2015:05:18 10:23:13-05:00
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Creator Tool                    : PageMaker 7.0
Metadata Date                   : 2015:05:18 10:23:13-05:00
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Title                           : 988721FC - Parts Manual - Factory Cleaning ES1720TD REV STAR 0110.pmd
Creator                         : lisagarc
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Page Count                      : 31
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