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WALK-BEHIND TROWELS — INSTACLUTCH SUPPLEMENTAL OPERATING INSTRUCTIONS P/N 30557 — 06/21/17 — PAGE 1

Supplemental Operating Instructions

Walk-Behind Trowels With InstaClutch Drive Systems 

MODELS:   BH11C,  BH90C, BS90C, JH55C JH90C, JS60C, PRO36 and PRO46

KEEP THIS COPY WITH THE OPERATION AND PARTS MANUAL AT ALL 

TIMES!

INSTACLUTCH OPERATION

Starting The Trowel

1. Place the trowel in an area free of dirt and debris. Make 

sure it is on secure, level ground.

2. Start the engine as described in the 

Operation manual

supplied with the trowel.

3. Run the engine for a few minutes. Make sure there are

no fuel leaks or loose components.

4. Stand in the operator's position (Figure 1) behind the

trowel and grasp both hand grips securely.

Figure 1. Operator's Position

5. With one hand on the 

left-side

 handgrip, move the

throttle lever (Figure 2) from 

IDLE to the RUN position.

 NOTICE

Failure to follow these safe operation instructions can cause 
serious injury to the operator or bystanders and property 
damage. 

NEVER leave the trowel 

unattended 

with the 

engine running at high speed.

LEFT

RIGHT

OPERATOR’S

POSITION

 NOTICE

Operator must keep at least

 one hand on either grip 

at all times

 when operating the trowel.

Figure 2. Throttle Lever (Run/Idle)

6. Firmly grasp the 

left-side

 handgrip, 

squeeze and hold 

right-side

 clutch lever (Figure 3) to engage the clutch.

Figure 3. Engaging The Clutch

7. Verify that the trowel blades are rotating.
8. Begin troweling.

Stopping The Trowel

While maintaining control of the trowel with a firm grasp of 

the left-side hand-grip.
1. Release the clutch lever and verify the trowel blades

have stopped rotating.

2. Return the throttle lever (Figure 2) to the 

IDLE position.

3. Release the handle and place engine ON/OFF switch

in the 

OFF position.

.

RUN

IDLE

LEFT-SIDE

HANDGRIP

RIGHT-SIDE

THROTTLE

LEVER

SQUEEZE

RIGHT-SIDE

CLUTCH LEVER

LEFT-SIDE

HANDGRIP

GRASP

FIRMLY

 WARNING

BEFORE ENGAGING THE CLUTCH MECHANISM, 
ALWAYS MAINTAIN A FIRM GRASP ON THE LEFT-SIDE 
HAND GRIP WITH YOUR LEFT HAND. 

FAILURE TO DO 

SO CAN RESULT IN A RUNAWAY TROWEL, WHICH 
CAN CAUSE SERIOUS INJURY TO THE OPERATOR OR 
BYSTANDERS AND PROPERTY DAMAGE.

The following supplemental instructions are intended to instruct the user in the SAFE OPERATION of Multiquip walk-
behind trowels equipped with InstaClutch drive systems. Refer to the Operation and Parts Manual for all other safety, 
operation and maintenance information. If you did not receive a manual with your trowel, contact Multiquip at (800) 
421-1244 for a replacement.

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