Minuteman PowerBoss 36 Service Manual

Model: PB36000

PowerBoss 36

Sweeper

OPERATION SERVICE PARTS CARE

PB360000QP

TABLE OF CONTENTS

Page

Safety Instructions 1

Electrical Requirements 2

Control Panel Identification 3, 4, 5

Operating Instructions 6

Maintenance of Machine 7

Main Components 8 thru 21

Wiring Diagram 22, 23

IMPORTANT SAFETY INSTRUCTIONS

CAUTION

Operators must read and understand this manual before operating or maintaining
this equipment.

• Keep hands and feet clear of moving parts while machine is in operation.

• All switches must be in the “OFF” position when charging batteries.

• Electrical motors and components can cause an explosion when operated
near explosive materials or vapors. Do not operate this machine near flammable materials

such as solvents, thinners, fuels, grain dusts, etc.

• Make sure all switches are turned “OFF” and battery connections are removed before

performing any maintenance procedures.

• Store or park this machine on a level surface only.

• These machines are designed for level floor operation only. DO NOT OPERATE
on ramps or inclines.

• Battery acid can cause burns. When working on or around batteries, wear protective cloth-

ing and safety glasses. Remove metal jewelry. Do not lay tools or metal objects on
top of batteries.

Charging batteries generates explosive gases. DO NOT CHARGE BATTERIES
WHEN OPEN FLAMES OR SPARKS ARE PRESENT. DO NOT SMOKE. Make
sure the charger is turned off before disconnecting it from the batteries. Charge
the batteries in a well-ventilated area.

Maintenance and repairs must be performed by authorized personnel.

SAVE THESE INSTRUCTIONS

1

ELECTRICAL REQUIREMENTS:

This piece of equipment operates on 12 Volts DC.

BATTERY REQUIREMENTS:

1 x 12V 185AH P/N 956709

BATTERY SERVICE AND INSTALLATION:
* Warning: Battery acid can cause burns. When working on or around batteries, wear protec-

tive clothing and safety glasses. Remove metal jewelry. Do not lay tools or metal objects on top
of batteries.

BATTERY INSTALLATION:

1. Install battery as shown in figure 1 below.

CHARGING OF BATTERIES:

Charging of batteries generates explosive gases. DO NOT CHARGE BATTERIES WHEN
OPEN FLAMES OR SPARKS ARE PRESENT. DO NOT SMOKE. Make sure
the charger is turned off before disconnecting it from the batteries. Charge the batteries in a
well-ventilated area. Fluid levels should be checked before and after charging and maintained
at the proper levels.

Figure 1

2

1. Emergency Stop Switch

2. Hour Meter/Battery “Fuel” Gauge

3. Key Switch (optional)

4. Main Broom Lift Control

5. Forward Speed Control/Parking Brake Lever

6. Power Switch

4

7. Vacuum Interrupt/Filter Cleaning Control

8. Side Broom Lift Control

9. Side Broom Motor Circuit Breaker

10.Main Broom Motor Circuit Breaker

11. Cup Holder/Battery Inspection Access Panel

12. Battery Charging Connector

5

OPERATION

This equipment contains front and rear cover safety interlocs. This equipment will not operate if
covers are not closed and latched in place.

The side broom when lowered ref. lever 8 page 4 will automatically turn on. The side broom
sweeps along curbs and edges, moving dirt and debris into the sweeping path of the main broom.

The main broom is lowered by lever #4 page 4 for sweeping. The engagement of the lever in the
second upmost raised position is for sweeping low cut closed loop type commercial carpet. Fully
raised position if for transport.

Vacuumed dust control lever ref. lever 7 page 4, when sweeping wet areas or wet garbage also
during transport of the machine from place to place. This lever should be in the raised position.
To shake dust from the panel filter this lever should be raised and released several times to
shake dust from the filter into the hopper. During normal operation the lever should be in the
lowered position.

6

MAIN BROOM ADJUSTMENT

The height of the broom can be adjusted by loosening nut (1) removing cotter pin (2) and
removing clevis pin (3). Clockwise rotation of yoke (4) will decrease brush contact, counter­clockwise will increase.

HOPPER

To empty hopper. Slide hopper out from side of machine as shown.

Parts List

Item Part No. Qty. Description

1 361228 1 Rear Tray
2 827666 8 Rivet
3 711114 8 8-32 x .5 A Point Screw
4 450207 4 Latch
5 833436 1 Tilt Cable ACS
6 712536 5 SCR-MCH 10-24 x .62 SS
7 711373 4 Nut, Hex 1/4-20 Nyloc
8 710587 2 1/4-20 x 1.5 Flat Head Screw
9 712319 2 .31 x .78 Finish Washer

10 711505 4 Flat Washer 1/4

11 715183 1 Decal, Instruction
12 712638 5 Nut, Hex 10-24 Nyloc SS
13 711501 8 Washer, #6

8

Parts List

Item Part No. Qty. Description

1 361300 1 Front Cover
2 361267 1 Stiffener, Front
3 828893 8 Pop Rivet
4 361263 1 Pocket Pull
5 361227 1 Switch Bracket
6 710180 2 SCR-MCH 1/4-20 x .75
7 711373 2 Nut-Hex 1/4-20 Nyloc
8 715268 1 Decal - PowerBoss
9 715269 1 Decal 36

Parts List

Item Part No. Qty. Description

1 361001 1 Rear Cover
2 361266 1 Stiffener, Rear
3 828893 7 Pop Rivet
4 361263 2 Pocket Pull
5 361277 1 Switch Bracket
6 710180 2 SCR-MC 1/4-20 x .75 STPL
7 711373 2 Nut-Nyloc 1/4-20

9

10

Parts List

Item Part No. Qty. Description

1 361088 1 Handle Support Weldment
2 361140 1 Electrical Box Assembly
3 361132 1 Electrical Box Cover
4 711124 1 Screw 10 x .37 “B” Point
5 711202 2 1/4-20 x .50 H.H. Bolt
6 710601 1 1/4-20 x .75 Flat Head
7 712319 1 Dress Washer
8 361210 4 Handle Holder w/Mtg. Plate
9 710196 8 5/16-18 x .62 Truss Head

10 712042 4 5/16-18 x .62 Wizz Bolt

11 710180 4 1/4-20 x .75 Truss Head
12 361046 1 Right Side Dust Cover
13 361105 1 Pivot Bar Weldment
14 361183 1 Crank Arm
15 711592 1 Washer, Nylon
16 711668 1 Clevis Pin
17 833374 1 Pin Hair
18 711380 1 3/8-16 Hex Nyloc Nut
19 711507 3 WSR-Flat .37 x 1.12 x .06
20 760594 1 Extension Spring
21 711228 2 5/16-18 x .75 H.H. Bolt
22 711558 2 5/16 Internal Lock Washer
23 809171 1 Hinge Cover
24 712536 5 10-24 x .62 S.S. Screw
25 712638 5 10-24 SS Nyloc Hex Nut
26 740491 1 Switch
27 710329 2 8-32 x .5 Screw
28 711372 2 8-32 Nyloc Hex Nut
29 361161 1 Compression Spring
30 711717 1 Retaining Ring “E” .37
31 715184 1 Decal, Fuse

12

Parts List

Item Part No. Qty. Description

1 742205 1 Drive Motor 12V
2 361008 1 Fan Cage
3 361032 1 Vacuum Fan Housing
4 361033 1 Fan Housing Lid Weldment
5 361233 2 Key, 3/16 Sq. x 1.5
6 711104 9 SCR-ST-A 10 x .50
7 711241 4 Bolt H.H. 3/8-16 x .75
8 711555 4 Washer Internal Lock 3/8
9 361276 1 Tubing, Flexible

10 361273 1 Pulley, Drive 4L 2.8 x .625

11 361142 1 Traction Drive Assembly
12 361272 1 Chain #40 32.5" Lg.
13 361038 1 Rear Cover
14 361007 1 Belt, 3L250
15 361006 1 Belt, 3VX475
16
17
18
19
20 827666 4 Pop Rivet
21 361036 1 Hole Reinforcement
22 361009 1 Vacuum Filter Lid
23 361014 2 Gasket
24 361013 2 Long Gasket
25 361012 1 Panel Filter
26 361010 1 Vacuum Filter Base
27 361187 1 Filter Base Gasket
28 361024 1 Filter Bracket Weldment
29 450021 1 Hinge
30 711373 5 Nut-Hex 1/4-20 Nyloc
31 710180 5 SCR-MCH 1/4-20 x .75
32
33 760263 1 Foam Tape 5"
34 260180 1 U-Channel 5"
35 711228 4 BLT-HH 5/16-18 x .75 Lg.
36 711545 4 5/16 WSR-Helical
37 710329 2 8-32 x .5 Screw
38 740491 1 Switch, Cover Open
39 711372 2 Nut, 8-32 Nyloc
40 361243 2 Buckle, Filter Strap
41 361242 2 Filter Strap
42 72-416-10 4 1/4-20 x 5/8 HH Bolt
43 711544 4 Washer, Helical ¼
44 740735 1 set Carbon Brushes (4 per set)

13

14

Parts List

Item Part No. Qty. Description

1 361011 1 Filter Base Cover
2 711104 16 #10 Self Tapping Screw
3 361041 1 Battery Tray Weldment
4 72-416-10 13 1/4-20 x 5/8 HH T.C.
5 361115 1 CBL Hdlg. Brkt. Weldment
6 361153 1 Charger Plug Housing
7 361068 1 Motor Mount Bracket
8 712042 4 5/16-18 x 5/8 Wizz Hd. Hex Bolt
9 742204 1 Charge Connector, Yellow

10 361135 1 Charge Plug Bracket

11 740128 2 Switch
12 711373 2 1/4-20 Nyloc Nut
13 361257 1 Charger Plug Housing Lid
14 710307 4 6-32 x .87 Screw
15 711430 2 Tinnerman Plate
16 711210 2 1/4-20 x 1.25 HH Bolt
17 361186 2 Yoke
18 711715 1 Retaining Ring
19 361280 1 Linkage Rod
20 809311 4 Cotter Pin - Hair
21 361281 2 Threaded Rod
22 711668 1 3/8 x 1 Clevis Pin
23 711420 1 5/16-18 Hex Jam Nut
24 361206 1 Main Broom
25 361235 1 Pulley, Single Flange
26 361236 1 Arm, Brush Wheel
27 361059 1 Major Axle Weldment
28 711241 1 3/8-16 x 3/4 HH Bolt
29 711508 1 Flat Washer .44 x 1.00 x .08
30 712074 1 1/2-13 x 2 HH Bolt
31 711376 1 1/2-13 Nyloc Nut
32 711509 4 Flat Washer 1/2
33 711808 1 Cotter Pin
34 711210 1 1/4-20 x 1.25 HH Bolt
35 711577 1 Flat Washer .26 x .5 x .06
36 361200 1 Idler Arm Weldment
37 361223 1 Idler Pulley
38 711375 1 3/8-16 Nyloc Nut
39 361229 1 Idler Tension Spring
40 361046 1 Right Side Dust Cover
41 361252 2 3/16 Sq. x .5 Key
42 361188 1 Pulley, Brush Drive
43 361254 2 Bearing .669 ID

Item Part No. Qty. Description

44 361251 1 Main Brush Drive Shaft
45 711905 2 Rollpin 3/8 x 1.25
46 711004 2 1/4-20 x .25 Setscrew
47 361212MCH 1 Brush Drive Hub
48 361209MCH 1 Brush Arm
49 711014 1 10-24 x .25 Setscrew
50 711904 1 Rollpin .25 x 1.5
51 361224 1 Brush Arm Pulley
52 712301 1 Flat Washer .37 x .87 x .06
53 711241 1 3/8-16 x .75 HH Bolt
54 62-132-A 1 Spacer
55 712560 4 1/4-20 x 1/2 Truss Hd. Screw
56 711247 1 3/8-16 x 2 HH Bolt
57 711391 1 3/8-16 Nut
58 361207 1 Side Broom
59 361221 1 Clevis Pin .25 x 1.5
60 831279 2 Grommet
61 711374 2 5/16-18 Nyloc Nut
62 762256PLT 1 Nut Adjust
63 711717 1 Retaining Ring
64 361080 1 Side Broom Arm
65 361271 1 Strap Set
66 361264 1 Battery Tray
67 320271 1 90 Nozzle Body
68 320272 1 Nylon Lock Nut
69 450076 1 Crimp Clamp SS 185R
70 260224 1 Hose, Clear 18”
71 320273 1 Hose Shut-Off Clamp
73 361201 1 Bushing
74 712310 1 Washer, Flat .52 x .87 x. 06
75 742268 1 Side Broom Motor, 12V
76 361249 1 Bearing Housing Weldment
77 361230 1 Shaft, Side Broom
78 361239 1 Hub, 10mm Bore
79 361238 1 Spider Sox
80 361237 1 Hub, 5/8 Bore
81 361231 2 Bearing, 5/8 Bore
82 361241 1 Cover, Side Broom
83 711104 2 SCR-MC 10 x .5
84 361255 3 M6 x 1 HH Bolt
85 715182 1 Decal, 12V
86 361277 1 Motor Cover

Parts List

Item Part No. Qty. Description

1 361030 1 Filter Rest Bracket
3 711204 20 1/4-20 x 3/4 HH Bolt
4 361002 1 Mainframe Weldment
5 361005 2 Wheel, 10 x 1.75
6 361233 2 3/16 x 3/16 x 1.5 Key
7 711715 4 Retaining Ring - Ext. .75
8 361023 1 Left Side Plate
9 72-416-10 33 1/4-20 x 5/8 HH T.C.

10 711227 6 5/16-18 x 5/8 HH Bolt

11 711373 32 1/4-20 Nyloc Hex Nut
12 711621 2 3/8 OD x 3.5 Lg. Rollpin
13 76-58-A 2 Roller
14 361197 1 Axle Holding Bracket Assy.
15 833289 4 Bearing Flange
16 881059 2 Bearing, .75 ID w/Collar
17 711374 6 5/16-18 Nyloc Hex Nut
18 361004 1 Differential
19 361044 1 Brush Guard
20 361074 1 Dust Cover Bracket
21 361051 1 Rear Brush Guard
22 361064 1 Caster Bracket Weldment
23 711545 8 5/16 Helical Washer
24 711228 8 5/16-18 x 3/4 HH Bolt
25 361003 1 6" Caster
26 361022 1 Right Side Plate Weldment
27 361053 1 Triangle Support
28 712565 5 1/4-20 x 5/8 Truss Head Screw
29 361052 1 Front Hopper Support
30 711506 4 5/16 Flat Washer
31 710180 12 1/4-20 x .75 Truss Head Screw
32 361214 1 Nylon Bushing
33 711373 2 1/4-20 Nyloc Nut
34 710584 2 1/4-20 x1 Flat Head Screw
35 361202 2 4" Rubber Flap
36 361204 2 4" Retainer Strip
37 710255 7 10-32 x .62 Truss Head Screw
38 361203 1 6" Rubber Flap
39 361205 1 6" Retainer Strip
40 711350 4 10-32 Hex Nyloc Nut
41 361244 1 Latch Catch
42 361248 1 Latch Bracket
43 711304 2 8-32 Nut
44 711301 2 6-32 Nut
45 710203 2 6-32 x .375 Screw
46 710528 2 8-32 x .375 Flat Head Screw
47 361054 1 Rubber Flap
48 361055 1 Flap Holding Bar
49 712536 6 1/4-20 x .5 Screw
50 712638 6 1/4-20 Nyloc Nut
51 361047 1 Dust Cover
52 361049 1 Rubber Flap
53 361048 1 Flap Retainer Strip
54 712822 3 10-24 x .50 Screw
55 361019 1 Mounting Bracket
56 850028 2 Wheel Cover
57 711207 4 1/4-20 x 1.00 HH Bolt
58 760594 1 Spring

17

Parts List

Item Part No. Qty. Description

1 361184 1 Handle
2 361134 1 Dashboard Bracket L.H.
3 711202 4 Bolt-HH 1/4-20 x .50 STPL
4 711373 11 Nut-Nyloc 1/4-20
5 710180 4 SCR-MC 1/4-20 x .75 STPL
6 361185 1 Dashboard
7 711256 1 Bolt, CR 5/16-18 x 1.5 S.S.
8 361145 1 Drive Handle Weldment
9 361232 1 Handle End Cover

10 711515 2 WSR-Flat .406 x .812 x .062

11 361217 1 Compression Spring
12 711383 1 Nut-Hex Ctr. Loc 5/16-18
13 361100 1 Drive Handle Swivel
14 361192 1 Cable, Traction Drive
15 711713 3 Retaining Ring - E Ext. .50
16 711594 3 WSR-Flat .56 x .88 x .03
17 711212 3 BLT-HH 1/4-20 x 1.50
18 361191 1 Cable, Broom Lift
19 361133 1 Dashboard Bracket R.H.
20 809311 3 Cotter Pin 7/64 Dia. x 1
21 711524 3 WSR-Wave .515 x .870 x .01
22 361122 3 Lever Pin Weldment
23 361124 3 Lever Weldment
24 711319 3 Nut-Hex 5/16-18 STPL
25 760592 3 Knob, Oval Tapered
26 742203 1 Switch, Carling Type V
27 361139 1 Switch Box
28 380032 1 Strain Relief, Round
29 711372 2 Nut, Nyloc 8/32
30 715389 1 Decal, Dashboard
31 361190 1 Cable, Shaker
32 361189 1 Cable, Brush Drive
33 361218 3 Cable Tie Large

18

Parts List

Item Part No. Qty. Description

1 361154 1 Hopper Weldment
2 361262 2 Edging
3 361159 1 Hopper Flap
4 361160 1 Flap Flange
5 711202 8 1/4-20 x .5 HH Screw
6 361173 1 Seal Plate
7 361172 1 Hopper Seal
8 712816 5 10-24 x .37 Screw
9 710329 2 8-32 x .5 Screw

10 361245 1 Latch Keeper

11 711372 2 8-32 Nyloc Nut

12 361175 2 Pocket Pull

19

Parts List

Item Part No. Qty. Description

1 711228 6 5/16-18 x 3/4 HH Bolt
2 833289 4 Bearing Flange
3 881059 2 Bearing .75 ID w/Collar
4 361164 1 Shaft
5 711904 1 .25 x 1.5 Rollpin
6 361165 1 Traction Drive Roller
7 711545 6 5/16 Helical Washer
8 711319 6 5/16-18 Hex Nut
9 361162 1 Traction Drive Bracket

10 361178 1 Traction Drive Pulley

11 361144 1 Pulley, 3L 2 OD x 3/4 ID
12 361233 1 3/16 x 3/16 x 1.5 Key
13 711316 4 1/4-20 Hex Nut
14 711544 4 1/4 Helical Washer
15 361163 1 Brake Bracket
16 711204 4 1/4-20 x 3/4 HH Bolt
17 711376 1 1/2-13 Nyloc Nut
18 361166 1 Pivot Arm Weldment
19 361193 1 3/8 x 4-1/4 Clevis Pin
20 712111 1 1/2-13 x 4.25 HH Bolt
21 712303 2 .56 x 1.375 x .10 Flat Washer
22 361226 1 Clutch Wheel Assembly
23 361211 1 Bearing Tube
24 809311 1 Cotter Pin
25 711594 1 Washer, Flat .56 x .88 x .03
26 361275 1 Bushing

20

To adjust drive system loosen nuts
1 and turn nut 2 clockwise
to increase forward speed. Coun­terclockwise to decrease.

21

22

23

LIMITED WARRANTY

Minuteman International, Inc. warrants to the original purchaser/user that this product is free from defects in workmanship and
materials under normal use and service for a period of three years from date of purchase. In addition, Minuteman International,
Inc. will, at its option, honor labor warranty claims for the first 12 months from date of sale, provided such claims are submitted
through and approved by factory authorized repair stations. Minuteman International, Inc. will, at its option, repair or replace
without charge, except for transportation costs, parts that fail under normal use and service when operated and maintained in
accordance with the applicable operation and instruction manuals.

This warranty does not apply to normal wear, or to items whose life is dependent on their use and care, such as belts, cords,
switches, hoses, rubber parts, electrical motor components or adjustments. Parts not manufactured by Minuteman International,
Inc. such as engines, batteries, battery chargers, hydraulic pumps, and tires are covered by and subject to the warranties and/
or guarantees of their manufacturers. Please contact Minuteman International, Inc. for procedures in warranty claims against
these manufacturers.

Special warning to purchaser — Use of replacement filters and/or prefilters not manufactured by Minuteman International,
Inc. or its designated licensees, will void all warranties expressed or implied.

A potential health hazard exists without exact original equipment replacement.

All warranteed items become the sole property of Minuteman International, Inc. or its original manufacturer, whichever the case
may be.

Minuteman International, Inc. disclaims any implied warranty, including the warranty of merchantability and the warranty of
fitness for a particular purpose. Minuteman International, Inc. assumes no responsibility for any special, incidental or
consequential damages.

This limited warranty is applicable only in the U.S.A. and Canada, and is extended only to the original user/purchaser of this
product. Customers outside the U.S.A. and Canada should contact their local distributor for export warranty policies. Minuteman
International, Inc. is not responsible for costs or repairs performed by persons other than those specifically authorized by
Minuteman International, Inc. This warranty does not apply to damage from transportation, alterations by unauthorized persons,
misuse or abuse of the equipment, use of non-compatible chemicals, or damage to property, or loss of income due to
malfunctions of the product.

If a difficulty develops with this machine, you should contact the dealer from whom it was purchased.

This warranty gives you specific legal rights, and you may have other rights which vary from state to state. Some states do not
allow the exclusion or limitation of special, incidental or consequential damages, or limitations on how long an implied
warranty lasts, so the above exclusions and limitations may not apply to you.

World Headquarters PowerBoss



Minuteman International, Inc. 175 Anderson Street
111 South Rohlwing Road Aberdeen, North Carolina
Addison, Illinois 60101 28315 USA

[phone] [phone]
FAX [phone] FAX [phone]

988007

Printed in U.S.A.