Toro 38700, 23740 Service Manual

LCE/Residential Products/

Walk-Behind Rotary Broom

Service Manual

Siteworks

ABOUT THIS MANUAL

This service manual was written expressly for Toro and Lawn-Boy service technicians. The Toro Company has made
every effort to make the information in this manual complete and correct.

Basic shop safety knowledge and mechanical/electrical skills are assumed. The Table of Contents lists the systems and
the related topics covered in this manual.

The Toro Walk-Behind Rotary Broom, model year 2014, is covered in this manual. The manual may also be specied for

use on later model products.
Due to the compact design, parts were removed for photographic purposes when necessary.

We are hopeful that you will nd this manual a valuable addition to your service shop. If you have any questions or

comments regarding this manual, please contact us at the following address:

The Toro Company
Residential and Landscape Contractor Service Training Department
8111 Lyndale Avenue South
Bloomington, MN 55420

The Toro Company reserves the right to change product specications or this manual without notice.

© 2014 The Toro Company

All Rights Reserved

TABLE OF CONTENTS

Chapter 1 - Safety Information ........................................................................................................1-1

Chapter 2 - Specications & Maintenance .....................................................................................2-1

Checking the Sweeping Path ..............................................................................................................................................2-3

Adjusting the Broom Height .................................................................................................................................................2-4

Adjusting Broom Side Angle ................................................................................................................................................2-4

Recommended Maintenance Schedule...............................................................................................................................2-5

Checking the Engine Oil Level ............................................................................................................................................2-6

Checking the Traction Cable ...............................................................................................................................................2-6

Checking for Loose Hardware .............................................................................................................................................2-6

Changing the Engine Oil......................................................................................................................................................2-7

Checking the Tire Pressure .................................................................................................................................................2-7

Checking the Condition of the Belts ....................................................................................................................................2-7

Lubricating the Broom Angle Lock Pin and Hex Shaft .........................................................................................................2-8

Checking the Spark Plug .....................................................................................................................................................2-8

Checking the Broom Cable..................................................................................................................................................2-9

Checking the Broom Shaft Shear Pin ..................................................................................................................................2-9

Checking the Broom Segments .........................................................................................................................................2-10

Adjusting the Traction Cable..............................................................................................................................................2-10

Adjusting the Broom Drive .................................................................................................................................................2-11

Adjusting the Wheel Clutch Cable .....................................................................................................................................2-11

Troubleshooting .................................................................................................................................................................2-12

Chapter 3 - Controls .........................................................................................................................3-1

Sub System Handle .............................................................................................................................................................3-2

Sub System Control Panel ..................................................................................................................................................3-3

Shift Lever ...........................................................................................................................................................................3-4

Shift Rod Adjustment ...........................................................................................................................................................3-4

Auger Control ......................................................................................................................................................................3-4

Auger Cable Adjustment ......................................................................................................................................................3-5

Traction Control ...................................................................................................................................................................3-5

Traction Cable Adjustment ..................................................................................................................................................3-6

Clutch Cable Replacement Removal...................................................................................................................................3-6

Replacement .......................................................................................................................................................................3-7

Chapter 4 - Belt Replacement..........................................................................................................4-1

Subsystem Engine...............................................................................................................................................................4-2

Auger Belt Removal.............................................................................................................................................................4-3

Auger Belt Installation..........................................................................................................................................................4-4

Traction Belt Removal .........................................................................................................................................................4-5

Chapter 5 - Traction Drive System ..................................................................................................5-1

Sub System Frame ..............................................................................................................................................................5-2

Sub System Clutch Drive.....................................................................................................................................................5-3

Sub System Clutch Pack .....................................................................................................................................................5-4

Chapter 6 - Filament Replacement..................................................................................................6-1

Subsystem Broom ...............................................................................................................................................................6-2

Broom Mounting ..................................................................................................................................................................6-3

Broom Core .........................................................................................................................................................................6-4

Filament Removal................................................................................................................................................................6-5

Replacement Filament Installation ......................................................................................................................................6-6

Walk-Behind Rotary Broom Service Manual

TOC-1

General Information

1

Safety Information

SAFETY INFORMATION

This symbol means WARNING or
PER SONAL SAFETY INSTRUCTION –
read the instruction because it has to do
with your safety. Failure to comply with
the instruction may result in personal

!

This manual is intended as a service and repair manual
only. The safety instructions provided herein are for
troubleshooting, service, and repair of the Toro
Walk-Behind Rotary Broom.

injury or even death.

Think Safety First

Avoid unexpected starting of engine…

Always turn off the engine and disconnect the spark plug
wire(s) before cleaning, adjusting, or repair.

Avoid lacerations and amputations…

Stay clear of all moving parts whenever the engine is
running. Treat all normally moving parts as if they were
moving whenever the engine is running or has the
potential to start.

The Power Clear operator’s manuals contain safety
informa tion and operating tips for safe operating practices.
Operator’s manuals are available online through your Toro
parts source or:

The Toro Company
Publications Department
8111 Lyndale Avenue South
Bloomington, MN 55420

Avoid injury from batteries…

Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes and clothing. Battery gases can

explode. Keep cigarettes, sparks and ames away from

the battery.

Avoid injury due to inferior parts…

Use only original equipment parts to ensure that important
safety criteria are met.

Avoid burns…

Do not touch the engine, mufer, or other components,

which may increase in temperature during operation, while
the unit is running or shortly after it has been running.

Avoid res and explosions…

Avoid spilling fuel and never smoke while working with
any type of fuel or lubricant. Wipe up any spilled fuel or
oil immediately. Never remove the fuel cap or add fuel
when the engine is running. Always use approved, labeled
containers for storing or transporting fuel and lubricants.

Avoid asphyxiation…

Never operate an engine in a conned area without proper

ventilation.

Avoid injury to bystanders…

Always clear the area of bystanders before starting or
testing powered equipment.

Avoid injury due to projectiles…

Always clear the area of sticks, rocks or any other debris
that could be picked up and thrown by the powered
equipment.

Avoid modications…

Never alter or modify any part unless it is a factory
approved procedure.

Avoid unsafe operation…

Walk-Behind Rotary Broom Service Manual

1-1

SAFETY INFORMATION

NOTES

1-2

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

Checking the Sweeping Path .........................................2-3

Adjusting the Broom Height ............................................2-4

Adjusting Broom Side Angle ...........................................2-4

Recommended Maintenance Schedule..........................2-5

Checking the Engine Oil Level .......................................2-6

Checking the Traction Cable ..........................................2-6

Checking for Loose Hardware ........................................2-6

Changing the Engine Oil.................................................2-7

Checking the Tire Pressure ............................................2-7

Checking the Condition of the Belts ...............................2-7

Lubricating the Broom Angle Lock Pin and Hex Shaft ....2-8

Checking the Spark Plug ................................................2-8

Checking the Broom Cable.............................................2-9

Checking the Broom Shaft Shear Pin .............................2-9

Checking the Broom Segments ....................................2-10

Adjusting the Traction Cable.........................................2-10

Adjusting the Broom Drive .............................................2-11

Adjusting the Wheel Clutch Cable .................................2-11

Troubleshooting ............................................................2-12

2

Specications & Maintenance

Walk-Behind Rotary Broom Service Manual

2-1

SPECIFICATIONS & MAINTENANCE

NOTES

2-2

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

A

B

C

Model 38700, 23740

Engine Kohler
Clearing Width 36” (11.0m)
Starter Recoil

Fuel Capacity 1 Gallon (4.1 L)
Engine RPM 3600 ± 100 PRM
Broom Speed 200 RPM
Direct Drive Speed 6/2 Variable Speed
Steering Power Steering - RH/LH Clutch
Oil Capacity .63 Qt (.06 L)
Weight 323 lbs (146.5kg)
Width 46.5” (118cm)
Length 73.0” (185.5cm)
Height 41.5” (105.5cm)
Tire Pressure 17-20 psi (117-138 kPa)
Broom Angle Adjustments 3 position 30° each direction

®

208cc Command Pro Multi Season

2

Specications & Maintenance

Checking the Sweeping Path

A broom sweeps with the tips of its bristles. When too
much down pressure is applied, the broom is no longer
using its tips; the broom is now working with the sides of

the bristles. This limits the icking action of the bristles,

sweeping effectiveness, and can decrease broom life.

1. Drive to a at dusty area and stop the machine.

2. With the engine running move the throttle midway
between Slow and Fast. Engage the broom and
allow the broom to sweep for approximately

30 seconds.

3. Disengage the broom and stop the engine.

4. Wait for all moving parts to stop before leaving the

operating position.

5. Turn the engine On/Off switch to the Off position.

6. Make sure the area swept equals the length of the
broom and a maximum width of 2 - 4” (51-102 mm).

Fig. 001

A. 2 – 4” (51-102 mm) Maximum Width
B. Length of Broom
C. Swept Area

7. Adjust the broom height if necessary.

Walk-Behind Rotary Broom Service Manual

2-3

SPECIFICATIONS & MAINTENANCE

A

B

C

A

Adjusting the Broom Height

1. Drive to a at dusty area and stop the machine.

2. Disengage the broom and stop the engine.

3. Wait for all moving parts to stop before leaving the
operating position.

4. Turn the engine On/Off switch to the Off position.

5. To adjust the broom height, remove and retain the
pin from the adjuster sleeve and caster wheel tube.

6. Raise or lower the caster wheel tube to achieve the
sweep area as stated in “Checking the Sweeping
Path” (page 2-3). Select any hole combination
that is in alignment to place and latch the retaining
pin; match the same position on the other side.

7. For ne tuning adjustments, slide the adjuster sleeve
one pin hole up or down on the caster wheel tube to
adjust the broom height in 1/8” (3 mm) increments
(Fig. 002). Repeat for the other caster wheel.

Adjusting Broom Side Angle

1. Disengage the broom and stop the engine.

2. Wait for all moving parts to stop.

3. Push the lever down using the right hand thumb (A)
(Fig. 003).

Fig. 003

D

Fig. 002

A. Caster Wheel Tube
B. Positions To Achieve 1/8” (3 mm) Increments
C. Pin
D. Adjuster Sleeve

• To raise the broom in 1/8” (3 mm) increments,
slightly raise the adjuster sleeve and insert the pin
into the next pin hole below the current hole used.

• To lower the broom in 1/8” (3 mm) increments,
slightly lower the adjuster sleeve and insert the pin
into the next pin hole above the current hole used.

4. Squeeze the left wheel clutch lever to the handle
and push the broom housing to the desired angle;
the broom can rotate 19° to the right or left, or
straight ahead.

5. Once the broom is positioned, release the broom
angle lever. Release the left wheel clutch lever and
make sure the broom is locked into place.

8. Once the desired height is reached, secure the pin
on each caster wheel. Recheck the sweeping area.

2-4

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

Recommended Maintenance Schedule

MAINTENANCE SERVICE INTERVAL MAINTENANCE PROCEDURE

After the rst 2 hours

After the rst 5 hours Check the engine oil.

Before each use or daily

Every 50 hours

Every 100 hours

Every 160 hours Check the spark plug.

Yearly

Yearly or before storage

Check the traction cable.
Check the broom cable.

Check the engine oil level.
Check for loose hardware.
Check the broom shaft shear pin.

Check the tire pressure.
Check the condition of the belts.

Change the engine oil (more frequently in severe conditions).
Lubricate the broom angle lock pin.

Check the traction cable.
Lubricate the hex shaft.
Check the broom cable.

Check the air pressure in the drive tires and inate them to 116–137 kPa
(17–20 psi).
Drain the gasoline and run the engine to dry out the fuel tank and
the carburetor at the end of the season.
Inspect and replace the traction drive belt, if necessary.

2

Specications & Maintenance

Walk-Behind Rotary Broom Service Manual

2-5

SPECIFICATIONS & MAINTENANCE

A

B

Checking the Engine Oil Level

SERVICE INTERVAL

Before each use or daily.
Engine Oil Type: Toro 4–Cycle Premium Engine Oil

1. Turn off the engine and wait for all moving parts to
stop. Make sure the unit is on a level surface.

2. Check the oil level once the engine is cold.

3. Clean the area around the dipstick. Remove
the dipstick and wipe the oil off. Insert the
dipstick according to the engine manufacturer’s
recommendations. Remove the dipstick and read the
oil level.

4. If the oil level is low, wipe off the area around the

oil ll cap, remove the cap and ll to the Full mark

on the dipstick. Toro 4-Cycle Premium Engine Oil is
recommended; refer to the Engine Owner’s manual
for an acceptable alternative.

NOTE

Do not overll.

Checking the Traction Cable

SERVICE INTERVAL

After the rst 2 hours, Yearly.

1. Turn off the engine, wait for all moving parts to stop,
and remove the spark plug wire(s).

2. With the traction lever disengaged, check the pin
in the elongated slot in the left side of the machine
above the tire (Fig. 004). There should be a gap
of 1/4” (6 mm) from the front of the slot to the front
edge of the pin. If adjustment is necessary, see
“Adjusting the Traction Cable” (page 2-10).

NOTE

Do not operate the engine with the oil level below the
Low or Add mark on the dipstick, or over the Full mark.

Fig. 004

A. Pin
B. 1/4” (6 mm)

Checking for Loose Hardware

SERVICE INTERVAL

Before each use or daily.

1. Turn off the engine, wait for all moving parts to stop,
and remove the spark plug wire(s).

2. Visually inspect the machine for any loose hardware
or any other possible problem. Tighten the hardware
or correct the problem before operating.

2-6

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

Changing the Engine Oil

SERVICE INTERVAL

After the rst 5 hours. Every 100 hours (more frequently

in severe conditions).

1. Turn off the engine and wait for all moving parts
to stop.

2. Disconnect the wire from the spark plug.

3. Drain the oil while the engine is warm
from operation.

4. Place a pan under drain tting and remove the oil
drain plug. Allow the oil to drain and replace the oil
drain plug.

5. Clean around the oil ll cap and remove the cap. Fill

to the specied capacity and replace the cap. Use

the oil recommended in the “Checking the Engine Oil

Level” (page 2-6). Do not overll.

6. Start the engine and check for leaks. Stop the
engine and recheck the oil level.

Checking the Tire Pressure

SERVICE INTERVAL

Every 50 hours.

1. Turn off the engine, wait for all moving parts to stop,
and leave engine switch in the Off position.

2. Check the tire pressure in the drive tires.

3. Inate the drive tires to 117-138 kPa (17-20 psi).

Checking the Condition of the Belts

SERVICE INTERVAL

Every 50 hours.

1. Turn off the engine, wait for all moving parts to stop,
and remove the spark plug wire(s).

2. Remove the belt cover and engine shield to check
the belt condition.

2

Specications & Maintenance

7. Wipe up any spilled oil from the engine deck
mounting surfaces.

Walk-Behind Rotary Broom Service Manual

2-7

SPECIFICATIONS & MAINTENANCE

A

A

B

Lubricating the Broom Angle Lock Pin and Hex Shaft

SERVICE INTERVAL

Every 100 hours, Yearly.

1. Turn off the engine, wait for all moving parts to stop,
and leave the engine switch in the Off position.

2. Lubricate the broom angle lock pin tting with NGLI
grade #2 multi-purpose gun grease.

IMPORTANT

Do not get oil on the rubber wheel or the aluminum
friction drive plate as the traction drive will slip (Fig. 006).

Fig. 006

A. Aluminum Fricton Drive Plate
B. Hex Shaft

6. Move the speed selector lever to position 6.

7. Lubricate the other end of the hex shaft.

A. Broom Angle Lock Pin

3. Remove the belt cover and engine shield.

4. Move the speed selector lever to position R2.

5. Dip a long, clean, small tipped paint brush in
automotive engine oil and lightly lubricate the hex
shaft. Rock the machine forward and rearward to
rotate the hex shaft.

Fig. 005

8. Move the speed selector lever forward and rearward
a few times.

9. Install the belt cover and engine shield.

Checking the Spark Plug

SERVICE INTERVAL

Every 160 hours.
Remove the spark plug, check the condition and reset

the gap, or replace with a new plug. See your Engine
Owner’s Manual.

2-8

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

A

B

C

A

B

Checking the Broom Cable

SERVICE INTERVAL

After the rst 2 hours, Yearly.

1. Turn off the engine, wait for all moving parts to stop,
and remove the spark plug wire(s).

2. Remove the belt cover and engine shield.

3. With the broom lever disengaged, ensure the gap
between the broom clutch assembly and the tab is
1/8” (3.2 mm). If the broom is not properly adjusted,
see “Adjusting the Broom Drive” (page 2-11).

Checking the Broom Shaft Shear Pin

SERVICE INTERVAL

Before each use or daily.

1. Move the machine to a level surface.

2. Turn off the engine, wait for all moving parts to stop,
and remove the spark plug wire(s).

3. Check the shear pin located on the broom shaft on
either side of the gear box.

2

Specications & Maintenance

A. Broom Clutch Assembly
B. Tab
C. 1/8” (3.2 mm)

Fig. 007

Fig. 008

A. Nut

B. Shear Pin

4. If the shear pin is damaged, remove the pin and
replace with a Toro recommended pin. Secure the
pin with a nut.

Walk-Behind Rotary Broom Service Manual

2-9

SPECIFICATIONS & MAINTENANCE

ABC

A

B

C

Checking the Broom Segments

1. Move the machine to a level surface.

2. Turn off the engine, wait for all moving parts to stop,
and remove the spark plug wire(s).

3. Raise the broom by resetting the caster positions.

4. On both sides of the unit, remove and retain the
outer bearing housing hardware.

5. Manually pull the power unit rearward to remove the
broom assembly from the unit.

6. Support the splined shaft on either side of

the gearbox.

7. Stand the broom core assembly on end so the
removable end retainer plate is facing upward.

Adjusting the Traction Cable

If the machine does not drive in the forward or reverse
speeds or it drives when you release the traction lever,
adjust the traction cable.

With the traction lever disengaged, check the pin in the
elongated slot in the left side of the machine above
the tire.

There should be a gap of 1/4” (6 mm) from the front
of the slot to the front edge of the pin (“Checking the
Traction Cable”) (page 2-6).

If the left hand traction cable is not properly adjusted, do
the following steps:

1. Loosen the jam nut.

2. Loosen or tighten the turnbuckle to adjust the pin
until it is the proper gap from the front edge of

the slot.

3. Tighten the jam nut (Fig. 010).

E

D

A. Hardware D. Support Shaft
B. End Retainer Plate E. Alignment Fingers
C. Broom Segment

8. Remove and retain the hardware from the
endretainer plate.

9. Remove the damaged broom segment(s). Install the

new segment(s) by staggering the metal ring

alignment ngers as shown in Fig. 009.

IMPORTANT

Damage may occur to the broom assembly if the broom
segments are not properly installed.

E

Fig. 009

Fig. 010

A. Jam Nut

B. Turnbuckle

10. Install the broom assembly onto the unit.

IMPORTANT

Make sure the bearing setscrews are tightened before
operating the broom.

2-10

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

A

B

Adjusting the Broom Drive

If the broom cable is not properly adjusted see
“Checking the Broom Cable” (page 2-9), do the
following steps:

1. Loosen the jam nut (Fig. 011).

Fig. 011

A. Jam Nut

B. Turnbuckle

2. Loosen or tighten the turnbuckle that adjusts the
tension on the cable (Fig. 011).

3. Adjust the turnbuckle until the gap between the
broom clutch assembly and the tab is 1/8” (3.2 mm)
(page 2-10).

Adjusting the Wheel Clutch Cable

1. Squeeze the lever fully, then check the gap between
the bottom of the handle and the wheel clutch

lever end.

Fig. 012

NOTE

The gap should be approximately the thickness
of a pencil (1/4” or 6 mm). If it is greater, loosen
the cable clamp nut, slide the cable jacket up slightly,
tighten the cable clamp nut, and check the gap again.

2. Repeat for the other cable.

2

2

Specications & Maintenance

Specications & Maintenance

4. Tighten the jam nut.

Walk-Behind Rotary Broom Service Manual

2-11

SPECIFICATIONS & MAINTENANCE

Troubleshooting

IMPORTANT

It is essential that all operator safety mechanisms be connected and in proper operating condition prior to use. When a
problem occurs, do not overlook the simple causes. For example: starting problems could be caused by an empty fuel
tank.The following table lists some of the common causes of trouble. Do not attempt to service or replace major items or
any items that call for special timing of adjustments procedures (such as valves, governor, etc.).

NOTE

When disconnecting electrical connectors, do not pull on the wires to separate the connectors.

Problem Possible Cause Corrective Action

The engine will not start,
starts hard, or fails to keep
running.

The engine loses power.

The broom does not clean
the surface.

1. The fuel tank is empty.

2. The fuel shutoff valve is closed.

3. The throttle and choke are not in
the correct position.

4. There is dirt in fuel valve.

5. The fuel cap vent is blocked.

6. Dirt, water, or stale fuel is in the
fuel system.

7. The air cleaner is dirty.

8. The spark plug is faulty.

9. The spark plug wire is not
connected.

1. The engine load is excessive.

2. The air cleaner is dirty.

3. The oil level in the crankcase is
incorrect.

4. There is dirt in fuel tank lter.

5. Dirt, water, or stale fuel is in the
fuel system.

1. The broom height is incorrect.

2. The tire pressure in the drive
tires is not correct.

3. You are cleaning too much debris
at one time.

1. Fill the fuel tank.

2. Open the fuel shutoff valve.

3. Be sure the throttle control is
midway between the Slow and Fast
positions, and the choke is in the
On position for a cold engine or the
Off position for a warm engine.

4. Clean the fuel valve screen and cup.

5. Clean the fuel cap vent.

6. Clean or replace the air cleaner
element.

7. Clean, adjust or replace the spark plug.

8. Check the spark plug wire connection.

1. Reduce the ground speed or adjust
the broom.

2. Clean or replace the air cleaner
element.

3. Check the oil level in the crankcase.

4. Clean the fuel tank lter.

1. Adjust the broom height.

2. Adjust the tire pressure in the
drive tires.

3. Slow down and clear smaller areas
of debris.

The broom does not rotate.

The machine pulls left
or right.

The machine does not drive.

2-12

1. The broom is clogged.

2. The broom drive lever is not engaged.

3. The broom drive belt is slipping.

4. The belt is broken.

5. The shear pin is broken.

1. The tire pressure in the drive tires
is not correct.

1. The drive belt is worn, loose or broken.

2. The drive belt is off a pulley.

1. Unclog the broom.

2. Engage the broom drive lever.

3. Adjust or replace the belt.

4. Replace the belt.

5. Replace the shear pin.

1. Adjust the tire pressure in the
drive tires.

1. Install a new belt.

2. Replace or adjust the belt.

Walk-Behind Rotary Broom Service Manual

SPECIFICATIONS & MAINTENANCE

Problem Possible Cause Corrective Action

There is abnormal vibration.

The broom does not stop
when the drive lever is
released.

The broom wears out
prematurely.

The speed selector is
difcult to move or frozen
in place.

1. The broom assembly is loose
or damaged.

2. The engine mounting bolts are loose.

3. Engine pulley or idler pulley is loose.

4. The engine pulley is damaged.

5. The belt is damaged.

1. The broom drive belt is out of
adjustment.

1. You are using the incorrect
broom height.

1. The hex shaft needs lubrication. 1. Lubricate the hex shaft.

1. Tighten the hardware. Replace the
broom assembly.

2. Tighten the engine mounting bolts.

3. Tighten the appropriate pulley.

4. Install a new belt.

1. Check the broom drive adjustment.

1. Adjust the broom height.

2

Specications & Maintenance

Walk-Behind Rotary Broom Service Manual

2-13

SPECIFICATIONS & MAINTENANCE

NOTES

2-14

Walk-Behind Rotary Broom Service Manual

CONTROLS

Sub System Handle ........................................................3-2

Sub System Control Panel .............................................3-3

Shift Lever ......................................................................3-4

Shift Rod Adjustment ...................................................... 3-4

Auger Control .................................................................3-4

Auger Cable Adjustment ................................................. 3-5

Traction Control ..............................................................3-5

Traction Cable Adjustment ............................................. 3-6

Clutch Cable Replacement Removal..............................3-6

Replacement ..................................................................3-7

3

Controls

Walk-Behind Rotary Broom Service Manual

3-1

CONTROLS

A

B

C

Sub System Handle

3

2

2

1

2

2

A. Handle - Upper, RH
B. Handle - Upper, LH
C. Handle - Lower

3-2

Curved side of clamp must seat against

1

inner round of upper handle tube.

2

Torque to 17 ft - lbs (23 Nm).

3

Torque to 8 ft - lbs (11 Nm).

Walk-Behind Rotary Broom Service Manual

Fig. 001

Sub System Control Panel

A

A

B

4

G

1

CONTROLS

CONTROLS

H

E

3

3

4

Controls

C

2

D

2

H

F

I

A. Lever - Clutch F. Cable - Traction
B. Lever - Auger G. Cable - Auger
C. Panel, Control H. Cable - Clutch
D. Lever - Traction I. Rod - Shift
E. Rod - Lockout

Walk-Behind Rotary Broom Service Manual

Adjust broom cable nut to acheive .125” space to pully

1

arm stop.
Clutch cable run to outside of handle bracket then to

2

inside of broom level cable.
Clutch lever setting is .25” (1/4”) between handle and

3

lever, total clearance between any two points with cable
taught.

Traction and broom levers items must pivot freely after

4

handles are bolted together and before connecting
springs and cables.

Fig. 002

3-3

CONTROLS

Shift Lever

The shift lever on the control panel is connected to the
friction wheel in the traction drive by a shift rod. Moving
the shift lever moves the friction wheel to change wheel
direction and speed.

Fig. 003

2. Pull the shift rod and arm upward as far as they will
go. With the shift lever in R2, adjust the trunion to
take the slack out and re-secure.

Fig. 005

NOTE

Excessive slack in the linkage may cause the drive to be

in reverse when shifted into rst gear.

Shift Rod Adjustment

1. The adjustment point is a trunion on the upper end
of the shift rod.

Fig. 004

Auger Control

The bail on the right hand handle is the auger control.
Squeeze the bail and the cable causes an idler to pivot,
tensioning the auger belt.

Fig. 006

3-4

Walk-Behind Rotary Broom Service Manual

CONTROLS

Auger Cable Adjustment

1. The auger cable adjustment should be checked after

the rst 2 hours of use and annually thereafter. To

begin, ensure the auger lever is in the full
up position.

Fig. 007

2. Loosen the jam nut. The cable is adjusted using the
turnbuckle on the lower end of the auger cable.

Traction Control

The traction bail is on the left handle and when
squeezed engages the wheel drive system.

Fig. 009

3

Controls

NOTE

When rotating the turnbuckle, hold the cable so it does
not twist.

3. Remove the belt cover. Adjust the turnbuckle until
there is a 1/16” (1.5mm) gap between the stop and
the auger clutch assembly. Secure the jam nut on
the turnbuckle.

Fig. 008

Walk-Behind Rotary Broom Service Manual

3-5

CONTROLS

A

T raction Cable Adjustment

1. The traction lever should be in the full upright
position with some slack in the traction cable to
begin adjustment.

2. Adjust using the turnbuckle (A). Hold the cable to
prevent twisting.

Fig. 010

Clutch Cable Replacement
Removal

1. To replace the clutch cables, drain the fuel tank
remove broom and stand the machine forward onto
the hood. Remove both lower covers. The wheels
and the bottom cover can also be removed
if desired.

Fig. 012

3. Locate the traction rod on the left side just below the
belt cover. Adjust the cable turnbuckle until there is
a slight gap between the end of the rod and the front
of the slot maximum 1/16” (1.5 mm). Secure the jam
nut on the turnbuckle.

Fig. 011

2. Remove the nut and washer that attach the cable
clamp to the handle.

Fig. 013

3. Slip the cable Z-bend out of the wheel clutch lever
on the handle.

3-6

Walk-Behind Rotary Broom Service Manual

CONTROLS

4. Reach under the shift plate and compress the small

ears on the cable tting. The cable tting can then

be pushed out of the shift plate.

Fig. 014

5. Disconnect the lower end of the cable from the
shift collar.

Replacement

1. Feed the lower end of the cable through the shift
plate and snap the cable into the plate. Install the
lower end of the cable into the shift collar outside in.

3

Fig. 016

Controls

2. Hook the upper end of the cable to the wheel clutch
lever and install the cable clamp to the handle.

Fig. 015

3. Loosen the cable clamp nut.

Fig. 017

Walk-Behind Rotary Broom Service Manual

3-7

CONTROLS

4. Pull the cable jacket down gently until the wheel
clutch lever is down and the slack is out of the cable.
Tighten the cable clamp nut securely.

Fig. 018

5. Squeeze the lever fully and check the gap between
the bottom of the handle and the wheel clutch lever
end. The gap should be approximately 1/4” (6mm).
If it is greater, loosen the cable clamp nut, slide the
cable jacket up slightly, tighten the cable clamp nut,
and check the gap again. Repeat steps for the
other cable.

6. Install the covers and test run the unit.

3-8

Fig. 019

Walk-Behind Rotary Broom Service Manual

BELT REPLACEMENT

Subsystem Engine..........................................................4-2

Auger Belt Removal........................................................4-3

Auger Belt Installation.....................................................4-4

Traction Belt Removal ....................................................4-5

4

Belt Replacement

Walk-Behind Rotary Broom Service Manual

4-1

BELT REPLACEMENT

A

B

C

BELT REPLACEMENT

Subsystem Engine

M

J

5

4

2

H

G

1

F

E

L

D

N

3

K

A. Engine H. Sheave - Half
B. Guide - Belt I. Cover - Belt
C. Belt Cover Spacer J. Shield - Drive
D. Sheave - Half Impeller K. Cover - Belt
E. Belt Broom L. Shield - Ice
F. Pulley - Engine Center M. Plate - Serial
G. V Belt - Traction

4-2

1
2

3

4

5

Fig. 001

Torque 135-165 in - lbs (15.5 - 18.9 Nm).
Apply light coat of anti-sieze to engine crankshaft before

installation of pulleys
Torque engine pulley bolt to 26 - 32 ft - lbs (36 - 44 Nm).

Apply Loctite
With clutch engaged, insure belt guide has clearance

from belts and pulleys
Torque 120-160 in - lbs (14 - 18 Nm).

®

243 to threads

Walk-Behind Rotary Broom Service Manual

BELT REPLACEMENT

A

BELT REPLACEMENT

Auger Belt Removal

1. Remove the belt cover.

Fig. 002

2. Remove the belt guide. Be careful to avoid bending
the guide.

3. Remove the bolt securing the engine pulley to
the crankshaft. If necessary, you can hold the
hub between the pulley and engine to keep the
crankshaft from turning (A). Remove the pulley
sheave and the auger belt from the crankshaft.

Fig. 004

4. The auger belt can now be removed from the
impeller pulley.

Fig. 003

4

Belt Replacement

Fig. 005

Walk-Behind Rotary Broom Service Manual

4-3

BELT REPLACEMENT

Auger Belt Installation

1. Route a new belt around the broom shaft pulley.

2. Place the belt in the groove of the engine pulley.
Install the pulley sheave. Make sure that the
keyways line up from the sheave to the pulley.

If they are not aligned the sheave will break
when tightening.

Fig. 006

3. Apply Loctite® 242 to the bolt and install. Torque the
bolt to 29 ft - lbs (40 Nm).

Fig. 007

4. Replace the belt cover. Test run unit.

4-4

Walk-Behind Rotary Broom Service Manual

BELT REPLACEMENT

Traction Belt Removal

1. Remove the auger belt as outlined on page 4-3.

2. Slip the center section of the crankshaft pulley off
the crankshaft.

Fig. 008

3. On the left side of the machine, remove the hairpin
cotter key from the speed control link.

4. Move the link to the side and let it rest in the saddle
provided. Reach down alongside the link and
remove the belt from the lower pulley. Then remove
the belt from the crankshaft pulley.

Fig. 010

5. Reverse the process to install the belt.

Fig. 009

4

Belt Replacement

Fig. 011

Walk-Behind Rotary Broom Service Manual

4-5

BELT REPLACEMENT

6. Install the auger belt and install the pulley sheave.
Make sure that the keyways line up from the sheave
to the pulley. If they are not aligned the sheave will
break when tightening.

Fig. 012

7. Install the belt guide. Check for proper clearance
between the belt and the belt guide. Engage the
auger belt and look between the belt and belt guide
on the left side. There should be about a 1/8”
(3.2mm) gap. Tighten the belt guide mounting bolts
to 19 ft - lbs (26 Nm).

8. Adjust the belts as needed as outlined in the
Controls section.

4-6

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

Sub System Frame .........................................................5-2

Sub System Clutch Drive................................................5-3

Sub System Clutch Pack ................................................5-4

Walk-Behind Rotary Broom Service Manual

5

Traction Drive System

5-1

TRACTION DRIVE SYSTEM

A

B

C

Sub System Frame

T

G

P

E

2

D

L

1

S

J

I

R

M

3

H

F

O

4

K

Q

N

A. Bracket - Idler Impeller K. Cover Lower
B. Impeller Clutch Asm L. Bellcrank - Drive
C. Bolt - Shoulder M. Link - Control, Speed
D. Arm - Idler N. Pan - Bottom
E. Pulley - Idler O. Frame Brace Asm.
F. Spring - Extension P. Traction Pulley Asm.
G. Cover - Upper Q. Friction Wheel Bracket
H. Bracket - Rod R. Traction Frame Asm.
I. Lever - Control S. Brace - Handle, LH
J. Shift Plate T. Brace - Handle, RH

5-2

Shoulder screw shall be torqued to 170 - 250 in - lbs.

1

(20-30 Nm). Bellcrank must pivot freely.
Apply a light coat of ant-sieze to pivot surface.

2

Traction pulley assembly to be free of

3

any lubricants.
Longer hook arm on spring connects to friction wheel

4

bracket assembly.

Walk-Behind Rotary Broom Service Manual

Fig. 001

Sub System Clutch Drive

ABC

K

6

L

7

M

TRACTION DRIVE SYSTEM

9

H

I

1

5

D

J

O

1

2

6

3

E

F

G

4

8

7

8

P

N

A. RH Wheel and Tire Asm. I. Shaft - Intermediate
B. Wheel - Friction J. Collar - Shift, LH
C. Bearing - Axle K. Shaft - Axle
D. Guide - Collar L. Gear - Axle, 44 Tooth
E. Lit Gear Asm. M. Tube - Axle
F. Chain - Roller N. LH Wheel & Tire Asm.
G. Link - Connector O. Shaft - Hex
H. Collar - Shift, RH P. Sprocket 8 Tooth

Apply light coat of oil hex portion of shaft.

1

Hex trunion must slide freely along hex shaft.

2

Assemble sprocket ush against shoulder on shaft.

3

Torque screws to 50 - 70 in - lbs (6 - 8 Nm).

5

Do not deform plastic.
Grease axle gears.

6

Add anti sieze before installation of axle shaft.

7

Axle to be installed in bottom hole of axle bearing.

8

Rotate shift collars fully to the stop. Insure

9

smooth operation, check each of 6 pawls to
insure they return fully when shift collar is
released.

Fig. 002

5

Traction Drive System

Install chains with master link clip toward center of

4

machine. Closed end of master link to be in direction
of rotation going forward.

Walk-Behind Rotary Broom Service Manual

5-3

TRACTION DRIVE SYSTEM

A

B

Sub System Clutch Pack

D

F

2

1

C

G

E

Fig. 003

A. Retainer - Pin, Pawl E. 32T Sprocket Asm
B. Pawl - Clutch F. Support - Pawl
C. Spring - Compression G. Screw - Torx Button Head
D. Pin - Dowel

5-4

Apply a light coat of oil to dowel pin

1

before assembly

2

Torque screws to 100 - 125 in - lbs
(11 - 14 Nm).

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

The freewheel steering system is used on the walk-behind
rotary broom. Handle mounted triggers allow clutching
the wheels simultaneously or independently, so one or
both wheels can “freewheel”. This feature makes turning,

reversing, and traction control simple and efcient.

When the drive is engaged, it is engaging the friction
wheel. The hex shaft turns and drives the chains to the
32-tooth gear, in turn driving the 44-tooth gear powering
the wheels. Each wheel is declutched by engaging its
handle mounted trigger; this pulls the clutch cable, which
rotates the shift collar. The shift collar, following a cam,
is forced outwards toward the wheel, in turn, pushing
into the spring loaded pawls to disengage the 11-tooth
pinion gear from the 32-tooth gear.

Disassembly

Drain the fuel from the fuel tank. Remove the broom as
outlined in Broom head section. Tip the unit forward onto
the hood to access the rear covers and plate. Support
the broom with jackstands.

1. Disconnect the shift linkage and remove the wheels.

3. Remove the bottom plate.

Fig. 006

4. Remove the 2 cap screws securing the bearing
retainers that hold the hex shaft to each side of the
traction assembly. Remove both bearing retainers.

2. Remove the upper and lower covers.

Walk-Behind Rotary Broom Service Manual

Fig. 004

Fig. 005

NOTE
This will ease removal and reinstallation of the
drive chains.

Fig. 007

5

Traction Drive System

5-5

TRACTION DRIVE SYSTEM

5. Remove both bolts that hold the wheel clutch
assembly to the housing.

Fig. 008

6. Remove the extension springs. Unhook the spring
from the lower clutch collar and housing.

8. Unbolt the upper end of the shift brace from
the housing.

Fig. 011

Fig. 009

7. Remove the clutch cables. Rotate the shift collar up
to release tension on the clutch cable and maneuver
the Z-bend of the cable out of the upper clutch collar.

Fig. 010

Fig. 012

9. Remove both roller chains from the 32-tooth gears
and lift the wheel clutch assembly from the

traction unit.

Fig. 013

5-6

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

NOTE

Install a washer and screw into each end of the shaft to
keep the parts from sliding off.

Fig. 014

10. Remove both hairpins located on either side of the
axle of the 44-tooth gear.

12. Slide the axle shaft out through the bearing retainer
one at a time, holding onto the 44-tooth gear.

Fig. 017

13. Slide the tube of the axle shaft through the housing.

Fig. 015

11. Remove the woodruff key from one side of the axle
shaft by sliding the 44-tooth gear inward towards the
center of the shaft to expose the woodruff key. Pry
up on the outside edge of the key to remove it.

Fig. 016

Walk-Behind Rotary Broom Service Manual

14. Remove the other half of the axle shaft with the
44-tooth gear.

Fig. 018

5

Traction Drive System

Fig. 019

5-7

TRACTION DRIVE SYSTEM

15. Remove the two screws from the shift rod bracket
and remove the traction control lever and bracket
assembly from the friction wheel.

Fig. 020

17. Remove the hex shaft assembly/friction wheel from
the housing.

Fig. 023

18. Remove the friction wheel from the hex shaft by
removing the three nuts and bolts that hold the
friction wheel to the plate on the hex shaft.

16. Remove the bearing retainer that holds the
hex shaft (if not previously been done).

5-8

Fig. 021

Fig. 024

19. Move the unit to the upright position and remove the
belt cover.

Fig. 022

Fig. 025

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

20. Remove the hairpin cotter connecting the speed
control linkage to the pivot pulley plate assembly.

Fig. 026

21. Remove the extension spring from the housing.

23. Place the unit back onto the broom housing.

24. Remove the retaining ring from both sides of the
housing and slide the nylon bushing off the pivot
pulley plate shaft.

Fig. 029

Fig. 027

22. Slide the speed control linkage from the pivot pulley
plate assembly.

Fig. 028

Walk-Behind Rotary Broom Service Manual

Fig. 030

25. Tilt the pivot pulley assembly to release the traction
belt tension and remove the belt from the traction
pulley.

Fig. 031

5-9

5

Traction Drive System

TRACTION DRIVE SYSTEM

A

26. Remove the pivot pulley plate assembly from
the housing.

Fig. 032

27. Remove the locknut from pivot pulley and separate
the pulley from the plate.

Drive System Assembly

1. Install the pivot plate assembly into the housing and
install the belt. The idler pulley (A) should be pushed
away from you to install the pivot plate.

Fig. 035

2. Install the two bushings and the two “C” clips onto
the pivot plate shaft.

5-10

Fig. 033

Fig. 036

Fig. 034

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

B

A

3. Install the speed control linkage (B) through the pivot
plate and install the hairpin cotter (A) into the hole of
the speed control linkage on the outside of the

pivot plate.

Fig. 037

4. Install the long end of the spring to the cut out on the
pivot plate.

6. Install the friction wheel assembly. Lay the shift
mechanism onto the housing and insert the shift
shaft into the friction wheel assembly in the

direction shown.

NOTE

It is important that the friction wheel and shift mechanism
are to the right of the unit as shown and that the wheel is
free of dirt, oil, anti-seize or any other lubricant.

Fig. 039

5. Install the short end of the spring to the frame.

Walk-Behind Rotary Broom Service Manual

Fig. 038

5

Traction Drive System

5-11

TRACTION DRIVE SYSTEM

7. Before mounting the friction wheel assembly, install
the chains onto the 8-tooth sprockets making sure
the closed end of the master link is going in the
direction of rotation in the forward gears.

Fig. 040

9. Before installing the axle with the 44-tooth sprockets,
apply a light coat of anti-seize to the outer 5” (12 cm)
of both ends of the axle shaft. Also apply a light coat
to the inside diameter at both ends of the tube about
4” (10 cm).

Fig. 043

10. Make sure the axle bearing end that is holding the
axle shaft is on the bottom.

8. Install both bearing retainers.

5-12

Fig. 041

Fig. 044

Fig. 042

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

11. The 44-tooth gears should have the hub facing
inward.

12. Slide one end of the axle shaft with tube into

the housing.

13. With the woodruff key out of the other side of the
shaft as well as all other components, install the axle
bearing onto the housing and then slide the shaft in
through the bearing and housing, through the two
washers, and 44-tooth gear into the tube.

Fig. 045

Fig. 047

14. Insert the woodruff key onto the axle shaft evenly.
Make sure the 44-tooth gear can ride over the

shaft freely.

Walk-Behind Rotary Broom Service Manual

Fig. 046

5

Traction Drive System

Fig. 048

5-13

TRACTION DRIVE SYSTEM

15. Position the hole for the hairpin cotter between the
two washers. Push the hairpin cotter into place.
Repeat for other side.

Fig. 049

16. Lightly coat the 44-tooth gear with anti-seize.

18. Install the wheel clutch assembly with the brace
shift plate facing away and up towards the housing,
making sure the collars are correctly installed with
the “RIGHT” and “LEFT” facing inward and the right

and left anges facing toward you.

Fig. 052

19. Route the chains around the 32-tooth gear of the
clutch assembly.

Fig. 050

17. Before installing the wheel clutch assembly, lightly
coat the 11-tooth gear of the wheel clutch with
anti-seize.

Fig. 051

5-14

Fig. 053

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

20. Attach the shift brace plate to the housing.

21. Torque the two intermediate shaft screws to
170 - 300 in - lbs (19.2 - 33.9 Nm).

22. Install the two extension springs from the lower part

of the shift collar ange to the housing.

Fig. 054

Fig. 056

Fig. 055

Fig. 057

5

Traction Drive System

Walk-Behind Rotary Broom Service Manual

5-15

TRACTION DRIVE SYSTEM

23. Install the Z-bend of the clutch cable from outside to
inside of the shift collar.

Fig. 058

24. Install the shift rod/traction rod lever onto the

housing making sure the traction control ts into the

friction wheel.

25. Install the lower cover.

Fig. 061

26. Install the upper and lower covers, with the upper
cover overlapping the lower cover.

5-16

Fig. 062

Fig. 059

27. Connect the shift linkage to the shift rod/traction

rod lever with a washer between the linkage and

hair pin.

Fig. 060

Fig. 063

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

28. The wheels are installed with the V-tread
rotation forward.

Fig. 064

29. Bolt the wheel hub to the axle shaft and torque to
115 +/- 15 in - lbs (13 +/- 1.7 Nm).

Wheel Clutch Disassembly

1. Remove the 11-tooth gear from the 32-tooth gear by
sliding it off the shaft.

Fig. 066

2. Slide off the washer behind the 11-tooth gear.

Fig. 065

30. Install the belt cover.

31. Check clutch cable adjustment and adjust
if necessary. Refer to “Traction Cable Adjustment”
on page 3-6.

Walk-Behind Rotary Broom Service Manual

Fig. 067

5

Traction Drive System

5-17

TRACTION DRIVE SYSTEM

3. Remove the 32-tooth sprocket gear and the thrust
washer from the shaft.

Fig. 068

4. Remove the shift collar and at washer from

the shaft.

6. Remove the wheel clutch components from the other
end of the shaft.

Fig. 071

7. Remove the three (per gear) compression springs
from under the pawls and set aside.

Fig. 069

NOTE

Shift collars are marked right and left hand at the top of

the inside ange.

5. Unbolt the four guide collars from the shaft.

Fig. 070

5-18

Fig. 072

8. Remove the six (per side) T-27 Torx screws that hold
the pawl supports.

Fig. 073

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

9. Remove the retainer plate off the gear hub.

10. Remove the pawl pins and pawls from the
32-tooth gear.

Wheel Clutch Assembly

NOTE

Apply a light coat of SAE 30W oil to the intermediate
shaft before assembly.

1. Set the 32-tooth gear on a at surface and install the
pawls. Apply a light coat of oil to the dowel pins and
install the dowel pins into the pawl assembly.

Fig. 074

Fig. 077

11. Repair or replace components as needed.

2. With the pawls facing up and away from the hub,
slide the retainer plate onto the hub. Make sure the

pins are seated ush and the retainer plate sits ush

onto the gear.

Fig. 075

5

Traction Drive System

Fig. 078

Walk-Behind Rotary Broom Service Manual

Fig. 076

5-19

TRACTION DRIVE SYSTEM

3. Clamp or hold the gear and turn it over to properly
install the three pawl supports and Torx screws.

Fig. 079

4. Torque the T-27 Torx screws to 100 - 125 in - lbs
(11.3-14.1 Nm).

5. Install the four guide collars to the shaft with the shift
brace plate.

7. Slide the at washers next to the guides.

Fig. 081

8. Install the RIGHT and LEFT collar.

NOTE

The top anges of the shift collars have “right” and “left”

stamped into them. Install accordingly on the right and
left ends of the shaft with the shift brace plate oriented
as shown.

Fig. 080

6. Torque the screws to no more than 50-70 in - lbs
(5.65-7.9 Nm).

5-20

Fig. 082

Fig. 083

Walk-Behind Rotary Broom Service Manual

TRACTION DRIVE SYSTEM

9. Install the compression springs under the pawls.

Fig. 084

10. Slide the thrust washer onto the 32-tooth

sprocket gear.

12. Install the at washer.

13. Make sure the 11-tooth gear slides on so it is ush
with the end of the shaft.

Fig. 087

14. Make sure the pawls are up against the thrust
washer and the springs are not binding and are
compressing properly.

11. Slide the complete 32-tooth gear sprocket onto
the shaft.

Walk-Behind Rotary Broom Service Manual

Fig. 085

5

Traction Drive System

Fig. 088

Fig. 086

5-21

TRACTION DRIVE SYSTEM

15. Apply a light coat of anti-seize to the 11-tooth gear.
Repeat for the opposite side.

Fig. 089

16. Install the assembly into the housing.

Fig. 090

After installation, rotate the left and right collars fully to
the stop. Ensure that the mechanism operates smoothly.
Check each of the six pawls to ensure that they return
fully when the shift collar is released. (A non-returning
pawl indicates binding or missing parts).

5-22

Walk-Behind Rotary Broom Service Manual

BROOM HEAD

Subsystem Broom ..........................................................6-2

Broom Mounting .............................................................6-3

Broom Core ....................................................................6-4

Walk-Behind Rotary Broom Service Manual

6

Filament Replacement

6-1

Subsystem Broom

A

B

BROOM HEAD

F

D

C

E

1

Fig. 001

A. Frame D. Shaft
B. Arm - Right E. Gearbox - Worm
C. Arm - Left F. Hood - Broom

Walk-Behind Rotary Broom Service Manual

1

Silver grade anti-sieze applied to gearbox
splined shaft interface with driveline.

6-2

BROOM HEAD

A

B

Broom Mounting

E

D

2

A. Frame - Mounting D. Pin - Swing
B. Driveline E. Cable - Broom Angle
C. Pulley - Impeller

1

C

Cable/pin set position - measurement

1

from top thread start to top of jam nut
is .31” (5/16”) +/- .05” (3/64”).

Fig. 002

6

Filament Replacement

6-3

Silver grade anti-sieze applied to driveline

2

interface with gearbox splined shaft.

Walk-Behind Rotary Broom Service Manual

Broom Core

A

B

BROOM HEAD

A. Core, Broom
B. Segment - Poly
C. Plate - End, Retainer

C

Fig. 003

Walk-Behind Rotary Broom Service Manual

6-4

BROOM HEAD

Filament Removal

1. Drain fuel from fuel tank.

2. Remove pillow block bearing bolts (4) on
broom shaft

Fig. 004

3. Tip machine back on its handles to remove broom
assembly. Slide broom spline shaft out of coupler.

Fig. 005

4.  Removelamentretainerplatebyremovingthree

boltsfromeachside.Removelaments.

6-5

Fig. 006

6

Filament Replacement

Walk-Behind Rotary Broom Service Manual

BROOM HEAD

Replacement Filament Installation

1. Stand broom shaft on one end. Begin adding

replacementlaments.

Fig. 007

NOTE

Make sure to place each section onto the broom shaft
so that the 2 locator pins are on each side of the tube

frame,andtherstlamentisoffsettowardthecenterof

the gearbox.

2. Continue to add replacement sections, alternating
locator pins to the next shaft tube as you place
additional sections (Fig. 009).

Fig. 009

3.  Locatethelamentretainerplateovertheendofthe

broomshaft.Alignthelamentretainerplateover

the broom shaft tubes. Install 3 retainer plate bolts.

NOTE

Itmaybenecessarytoattenthelastlamentfor
installation.Laythelamentsectiononaatsurfaceand

tap the high offset down slightly with a hammer. Only

attenthebroomsectionalittleatatimetothepointof

the retainer bolts making contact with the welded nuts.
Tighten the bolts evenly, ensuring the brush section is
not being pinched between the retainer plate and the
shaft assembly. Torque all bolts to 26 ft - lbs (35.25 Nm)
(Fig. 010).

Walk-Behind Rotary Broom Service Manual

Fig. 008

Fig. 010

6-6

BROOM HEAD

4. Repeat this procedure for the opposite side of the
broom shaft.

5.  Placethebroomassemblyontheoorsothatthe

gearboxshaftisclosesttotheoor.

6. Apply silver grade anti-seize to gear box splined
shaft end. Slide the broom back into the machine
just far enough to install the drive shaft into the
spline coupler.

Fig. 011

7. Lift the handles to align the broom frame with the
broom shaft. Install the pillow blocks around the
bearing.

8. Install the carriage head bolts from the inside of the
frame, frist through the pillow block plates, then into
the frame. Loosely install the nuts. Repeat for the
other side. Torque pillow block bolts to 26 ft - lbs
(36 Nm).

6

6-7

Filament Replacement

Fig. 012

Walk-Behind Rotary Broom Service Manual

LCE/Residential Products/

2014 Power Clear® 418/621

Walk-Behind Rotary Broom

Service Manual

Service Manual

Siteworks

Form Number 492-9342