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

User Manual:

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Parts Manual

Bulldog 20” Traction Drive

Walk Behind Scrubber

• 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.

For Safety When Servicing or Maintaining Machine

Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Model Bulldog 20” Traction Drive Walk Behind Scrubber

Model No. E20DTDQP-FC / E20DTDQPG-FC

Technical Specifications

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)

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

Page 1Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Main Assembly

Page 2Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Main Assembly BOM

ITEM PART NO. DESCRIPTION

4.1 172520-2 20" PAD DRIVER

4.2 172520-3 BRUSH, 20" POLY GRIT

4.3 172520-6 DISC BRUSH 20", SCRUB GRIT 2, 120GR RED

OPTIONAL BRUSHES

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 BATTERY, 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

BILL OF MATERIAL - E20DTDQP-FC / E20DTDQPG-FC

Page 3Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Traction Drive Base Assembly

Page 4Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Traction Drive Base Assembly BOM

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 TRAY 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 FITTING, 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

BILL OF MATERIAL - 172001TDFC

Page 5Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Base Assembly

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 WSR-FLAT 1/4 ID SS

5 711543 4 WSR-HELICAL #10

6 712041 1 BLT- SHLDR 1/4-20 X .44 X .37

7 712312 4 WSR-FLAT .187 X 1.25

8 712565 2 SCR-MC 1/4-20X.63 SS TR HD

9 712757 1 WSR - HELICAL #10 SS

10 712758 2 WSR-HELICAL 1/4 SS

11 712812 4 SCR-MC 10-24 X .62 PPH ST PL

12 712822 1 SCR-MC TR HD 10-24 X .50 SS

BILL OF MATERIAL - 172001FC

Page 6Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Chassis Assembly

Page 7Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Chassis Assembly BOM

ITEM PART NO. REQ'D DESCRIPTION

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 MAIN FRAME WMT

4 172038 4 BEARING BLOCK

5 172039 1 BEARING BLOCK PLATE

6 172104 1 TD SOLENOID ASSY

7 172110 1 DECK SWITCH ASSY

8 172113 2 BKT, TRANSAXLE MOUNT BASE

9 172114 2 BKT, TRANSAXLE MOUNT

10 172167 2 CASTER, 3-1/2 POLYURETHANE

11 172192 2 PLATE, 1/4" SPACER

12 172264 1 SOLUTION VALVE ASSY

13 172368 1 UPPER LIFT ARM

14 172370 1 DISC DECK LIFT WMT

15 200172-2 2 WHEEL, 8.5" FOAM FILL

16 281200 1 DRAG CHAIN ASSY, FRAME

17 450076 1 CLAMP-CRIMP 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 RETAINING RING EXT .75

24 711809 1 COTTER PIN, 1/8 X 1.0

25 711855 2 WSR-FLT .37X1.12X.10 STL 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 M6X1.0 X 25 STL Z

37 747606 1 TRANSAXLE, 24V

38 809444 1 CLIP-CORD

39 833374 1 PIN, HAIRPIN COTTER 3/8

40 833833 1 PIN-CLEVIS 3/8 X 1.25

41 3400449 1 NUT-HEX JAM 1/2-20 ZP

BILL OF MATERIAL - 172009

Page 8Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Solution Valve Assembly

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

BILL OF MATERIAL - 172264

Page 9Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Solution Tank Assembly

ITEM PARTNO. REQ'D DESCRIPTION

1 172003FC 1 SOLUTIONTANK

2 172080 1 HANDLEMOUNTASSY,LEFT

3 172082 1 HANDLEMOUNTASSY,RIGHT

4 172341 1 HOOK,DRAINHOSEWITHTWISTVALVE

5 260579 1 TOOLCLIP,1.5"HOSE

6 342438 1 FITTING,1/2MPT1/2HBBRASS

7 711507 4 WSR‐FLAT.37X1.12X.06

8 711546 4 WSR‐HELICAL3/8

9 712822 4 SCR‐MCTRHD10‐24X.50SS

10 713041 4 BLT‐HH3/8‐16X3/4#5

BILLOFMATERIAL‐172013FC

Page 10Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Lift Pedal Stop Assembly

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 SWITCH ASY, MICRO ROLLER W/PACK/CONDUIT

BILL OF MATERIAL - 172157

Page 11Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Recovery Tank Assembly

Page 12Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Recovery Tank Assembly BOM

ITEM PART NO. REQ'D DESCRIPTION

1 172004FC 1 RECOVERY TANK

2 172005FC 1 VACUUM MANIFOLD

3 172007FC 1 LID

4 97090096 1 DRAIN HOSE ASSY, RECOVERY TANK

5 172017 1 GASKET, LID

6 172049 1 HINGE, RECOVERY TANK

7 172067 1 REC TANK CABLE ASSY 11.625

8 172132 1 SCREENED FLOAT

9 172329 1 CLAMP-HOSE 1.56" 102122 MURRAY

10 711210 2 BLT-HH 1/4-20 X 1.25 STPL

11 711212 1 BLT-HH 1/4-20 X 1.50 STPL

12 711379 1 NUT, FLANGED WIZZ 5/16-18

13 711519 6 WSR- FLAT .25 X 1.01 X .06

14 711544 3 WSR-HELICAL 1/4

15 712565 3 SCR-MC 1/4-20X.63 SS TR HD

16 712758 3 WSR-HELICAL 1/4 SS

17 15282072 1 REPLACEMENT O-RING (NOT SHOWN)

18 90304528 1 REPLACEMENT CAP

BILL OF MATERIAL - 172014FC

Page 13Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Handle Assembly

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

BILL OF MATERIAL - 172015

Page 14Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Battery Tray Assembly

ITEM PART NO. REQ'D DESCRIPTION

1 172116 1 BATTERY BOX

2 172213 1 BKT, SPACER FOR BATTERIES

3 210414 2 O RING 2-113

4 260224 1 18" HOSE

5 320271 1 NOZZLE BODY-ELBOW

6 320272 2 NOZZLE BODY LOCKNUT

7 320273 1 HOSE SHUT-OFF CLAMP

8 710178 2 SCR-MC 1/4-20 X .50 TRUSS STPL

9 711575 2 WSR-FLT .31x.75x..06ST

10 828490 1 CRIMP CLAMP 140R

BILL OF MATERIAL - 172012

Page 15Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Electrical Box Assembly

Page 16Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Electrical Box Assembly BOM

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

BILL OF MATERIAL - 172075-120

Page 17Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Electrical Box Cover Assembly

ITEM PART NO. REQ'D DESCRIPTION

1 172182 1 TD COVER WMT

2 172193 1 GASKET, CB OUT LINE

3 172194 1 GASKET, CHARGER CORD PLAT E

4 715671FC 1 DECAL, TD DASHBOARD

5 715672 1 DECAL, CHARGE STATUS, SOLUTION CTRL

6 715674 1 DECAL, TD CIRCUIT BREAKER

7 715678 1 DECAL. DIAGNOSTIC CODES TD

8 747011 1 BATTERY GAUGE, TRUCHARGE

9 747026 1 POTENTIOMETE0R ASSY SPEED CONTROL

10 747614 1 CHARGE STATUS INDICATOR

11 747617-2 1 KEYSWITCH ASY, KEYSWITCH + WIR

12 748201 1 SWITCH, DPDT ON/OFF/ON

13 748209 1 GASKET-FOR 2 POLE ROCKER SWITCHES

14 809874 1 KNOB, SPEED CONTROL

BILL OF MATERIAL - 172079FC

Page 18Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Vac Motor Assembly

ITEM PART NO. REQ'D DESCRIPTION ITEM PART NO. REQ'D DESCRIPTION

1 172045 1 VAC MOUNT WMT, ES1720 7 450095 1 CRIMP CLAMP, 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, BLACK 9 711503 4 W SR, FLAT#10

4 172186 1 FOAM COVER, FRONT 1 10 715676 1 DECAL, BATT CABLE ROUTE, E1720

5 172187 1 FOAM COVER, FRONT 2 11 747607-1 1 VAC MOTOR ASY, E1720

6 172188 2 FOAM TAPE, 1/2" SQ X 16.5"

BILL OF MATERIAL - 172050

Page 21Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Brush Hub Assembly

ITEM PART NO. REQ'D DESCRIPTION

1 11127000 3 SCR-SHCS M6X30 SS, ISO4762

2 12310256 3 WSR-FLT 6.4X12X1.6, SS DIN125

3 90541814 1 DRIVE HUB, PLASTIC 3 LOBE

4 172096MCH 1 BASE, DRIVE HUB WITH KEYWAY

BILL OF MATERIAL - 172510

Page 22Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Rear Squeegee Assembly (Curved)

ITEM PART NO. REQ'D DESCRIPTION

1 172074 2 SPACER, 5/16OD X 17GA, ALUM

2 172162 1 BLADE, FRONT 34" SQUEEGEE

3 172163 1 BLADE, REAR 34" SQUEEGEE

4 172234 1 LEVER, 90535758

5 172235 1 SQUEEGEE W MT, 34" (860)

6 172240 1 STRAP W MT, FRONT LEFT

7 172241 1 STRAP W MT, FRONT

8 172245 1 STRAP W MT, REAR

9 172246 1 STRAP W MT, REAR

10 172250 2 SQUEEGEE CASTER ASSY

11 172271 1 BUMPER, 34" SQG

12 172274 1 EDGE TRIM 5/16 X 10" BLACK

13 430322 2 BUSHING .435 X .625 X .50

14 712772 8 W SR-FLAT .344 x .75 x .06 SS

15 712773 2 W SR FLAT .438 X 1.25 X .07 SS

16 11039567 6 BLT-HH M8 X 25 SS DIN933

17 11175494 2 SCR-MC M5 X 25 SS DIN7985

18 11518313 1 BLT-EYE M5 X 40 SS

19 12022430 1 NUT-HEX M5 SS DIN934

20 12040283 2 NUT-HEX M5 NYLOC SS DIN985

21 17133026 2 KNOB, M10 STAR HANDLE

22 90336637 2 W HEEL, 3.15OD

23 90513631 1 PIN, THD 90513631

BILL OF MATERIAL - 172230

Page 23Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Squeegee Mechanism Assembly

ITEM PART NO. REQ'D DESCRIPTION ITEM PART NO. REQ'D DESCRIPTION

1 172134 1 BKT, MAIN SQUEEGEE HINGE 15 711678 2 CLEVIS PIN 3/8 X 2-1/4

2 172155 1 SQUEEGEE MOUNT WMT 16 711717 2 RETAINING RING- E TYPE .37

3 172196 1 SQ TOP LINK W/ BUSHING 17 711720 2 .25O DIA RETAINING RING- E TYPE

4 172197 1 SQ BOT LINK W/ BUSH 18 712147 1 ROD-THD 5/16-18 X 3.5 SS

5 172261 1 TORSION SPRING 19 712148 1 CLEVIS PIN, 1/2 x 2.25 W/ HOLE

6 172352 1 PIN, 3/8 X 3.0, SQG STRAP 20 712157 2 NUT- WING 5/16-18 SS

7 172357 1 STRAP, 9" PU, BLACK 21 712562 2 BOLT-HH 1/4-20X3/4 SS

8 260579 1 TOOL CLIP, 1.5" HOSE 22 712665 2 NUT-HEX 1/4-20 SS

9 430051 1 RETURN SPRING-3.00" 23 712680 1 NUT-HEX 5/16-18 SS

10 710530 2 SCR-MC FL HD 8-32 X .50 BRS 24 712683 2 NUT, HEX 5/16-18 NYLOC SS

11 711504 4 WSR-FLAT 1/4 ID SS 25 712758 2 WSR-HELICAL 1/4 SS

12 711515 2 WSR-FLAT .406 X .812 X .0625 26 712760 3 WSR-FLAT .56X1.06X.04 SS

13 711523 2 WSR-WAVE .37X .68 X .08 27 712772 2 WSR-FLAT .344 x .75 x .06 SS

14 711592 2 WSR-FLAT .506 X .9 X .064 NYL 28 3400125 1 PIN-COTTER 3/8 RUE RING

BILL OF MATERIAL - 172150

Page 24Parts Manual - Bulldog 20” Traction Drive Walk Behind Scrubber

Optional Pump Kit

ITEM PART NO. REQ'D DESCRIPTION

1 172400 1 FITTING-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 PLASTIC CAP

5 450076 2 CLAMP-CRIMP 185R SS

6 828952 1 FITTING PP 1/4" MPT X 3/8" HOSE BARB

BILL OF MATERIAL - 172405

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 FITTING BRASS - 3/8 DBL BARB X 1/4MPT

4 450076 2 CLAMP-CRIMP 185R SS

5 710356 4 SCR-MC 10-32X.62 STPL

6 711350 4 NUT-NYLOC 10-32

7 712764 4 WSR #10 SS

8 747691 1 PUMP, 24VDC 35PSI 3/8HOSE w/CONNECTOR

BILL OF MATERIAL - 172402

ITEM PART NO. REQ'D DESCRIPTION

1 172402 1 PUMP ASSY

2 711594 4 WSR-FLAT .56 X .88 X .03

3 747693-1 1 SWITCH ASY, TOGGLE ON-ON SPDT W/ 3P

4 828062-B 4 CABLE TIE LARGE-BLACK

5 828368 1 MALE COUPLER

6 172144FC 1 FRONT PANEL, FOR OAW, E1720

BILL OF MATERIAL - K-E1720P

Wiring Diagrams

E1720TD PART REFERENCE LIST

Schematic 745092

REFERENCE # COMPONENT NAME PART NUMBE

R

M1 (optional) PUMP, WATER (KIT K-E1720P) 748691

M2 MOTOR, BRUSH 748692

M3 MOTOR, VACUUM ASSEMBLY 747607-1

M3 (model specific) MOTOR, VACUUM ASSEMBLY (H20 only) 747665-1

M4 TRANSAXLE 747606

Y1 SOLENOID VALVE, WATER 740493

K1 RELAY, MAIN 90331026

K2 RELAY, BRUSH MOTOR 747615

K3 RELAY, VACUUM 747616

CB1 CIRCUIT BREAKER 4.0A, CONTROL 747609

CB2 CIRCUIT BREAKER 30A, BRUSH MOTOR 740247

CB3 CIRCUIT BREAKER 20A, VACUUM MOTOR 740220

CB4 CIRCUIT BREAKER 20A, TRANSAXLE 740220

S1 KEYSWITCH 747617

S2A SWITCH, BRUSH MOTOR (at motor) 747603-2

S2B SWITCH, BRUSH MOTOR (handle) 748603-1

S3 SWITCH, VACUUM MOTOR 748603-2

S4 SWITCH, TRANSAXLE (handle) 748603-1

S5 SWITCH, DIRECTION 748201

S6 SWITCH, BRUSH UNLOAD 748603-2

S7 SWITCH, SOLENOID 747603-2

S8 (optional) SWITCH, PUMP- OFF AISLE WAND (KIT K-1720P) 747693-1

A1 CONTROLLER, I-DRIVE 747608

CSI CHARGER STATUS INDICATOR 747614

HM (optional) HOUR METER (KIT K-E1720HM) 747624

BC (model specific) BATTERY CHARGER 115VAC (battery type specific) 957761 (-2 or G-4)

BC (model specific) BATTERY CHARGER 230VAC (battery type specific) 957760 (-2 or G-4)

G1 BATTERY, 12V 140AH (2 REQUIRED) 956140

G1 (optional) BATTERY, GEL 12V 100AH (2 REQUIRED) 956100

D1 DIODE, MAIN RELAY Part of K1

D2 DIODE ASM, BRUSH MOTOR RELAY 740482

D3 DIODE ASM, VACUUM MOTOR RELAY 740482

D4 DIODE ASM, SOLENOID VALVE 740482

REFERENCE # CONNECTOR FUNCTION PART # -female PART # -male

X1 KEYSWITCH (S1) 744012 748037

X2 SWITCH, BRUSH MOTOR (S2B) 747022 747021

X3 CHARGER STATUS INDICATOR (CSI) Part of CSI Part of BC

X4 SWITCH, VACUUM (S3) 747022 747021

X5 MOTOR, VACUUM (M3) 748021 748020

X6 BATTERY CONNECTOR 740159 740159

X7 SWITCH, BRUSH MOTOR (S2A) 747022 747021

X8 SWITCH, BRUSH UNLOAD (S6) 747022 747021

X9 SOLENOID VALVE, WATER (Y1) 747022 747021

X10 OPERATOR HANDLE CABLE 741093 740697

X11 OPERATOR HANDLE CABLE 740366 740697

X12 KEYSWITCH (S1)- MAIN RELAY COIL (K1) 741093 741165

X13 BATTERY CHARGER (BC)- INTERNAL RELAY 740366 740697

X14 BATTERY CHARGER (BC)-INTERNAL RELAY 740366 740697

X15 SOLENOID (Y1) /HOUR METER CONNECTION (HM) 740366 741165

X16 SOLENOID (Y1) /HOUR METER CONNECTION (HM) 740366 741165

X17 (optional) OPTIONAL HOUR METER (HM) WIRE-747656 740366 741165

X18 (optional) OPTIONAL HOUR METER (HM) WIRE-747657 740366 741165

X19 BATTERY GAUGE (BDI) Part of BDI 747033

X20 SPEED POT ASSEMBLY (R1) 741298 741302

X21 SWITCH, TRANSAXLE (S4) 747022 747021

X22 OPERATOR HANDLE CABLE: 747632-1 747029 747033

X23 I-DRIVE HARNESS: 747673 Part of A1 748037

X24 TRANSAXLE (M4) 748021 748020

X25 I-DRIVE (A1) TO VACUUM SWITCH (S3) 740366-1 741165

X26 I-DRIVE (A1) TO VACUUM SWITCH (S3) 741093 740698

X27 I-DRIVE (A1) TO VACUUM RELAY-CONTACT 741093 741165

X28 (optional) SWITCH, TOGGLE WATER PUMP (S8) 747022 747021

X29 (optional) PUMP, OFF AISLE WAND (M1) 748021 748020

Last Updated 01/05/10