Ariens 51121600 Instruction Sheet Download Page 8

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ADJUST WHEEL DRIVE CONTROL

All Models

1. See Figure 15.

2. The unit should stop immediately when the wheel 

drive control lever is released and not creep 
forward when the wheel drive control lever is 
disengaged with the engine running.

3. The unit’s forward speed should increase as the 

wheel drive control lever is moved closer to the 
handlebar. If the unit does not accelerate smoothly 
or seems to slip under load, adjust the wheel drive 
control cable.

IMPORTANT: 

DO NOT adjust the cable so the 

transmission does not return to neutral and stop the unit 
when the wheel drive control is released.

To Adjust:

1. Stop engine and wait for all moving parts to 

completely stop.

2. Clean any dirt or debris from the drive components.

3. Make sure the return spring is properly connected 

to transmission bracket.

4. On the handlebar, loosen cable nuts away from 

bracket. See Figure 29.

5. Move the wheel drive cable adjuster up or down the 

handlebar. See Figure 29.

To increase speed,

 move the cable adjuster down 

the handlebar.

To decrease speed,

 move the cable adjuster up 

the handlebar.

6. Check the adjustment.

 A. Start the engine. 

 B. Slowly squeeze the wheel drive control lever 

against the handlebar. The unit should move 
forward smoothly and increase in speed as 
handle is moved closer to handlebar.

 C. Release the wheel drive control lever. The unit 

should stop immediately and not creep forward.

CHECK OPERATOR PRESENCE CONTROL / 
BLADE BRAKE CLUTCH (OPC / BBC) 
HANDLE

Models 911176, 911177

The blade must stop within 3 seconds after releasing 
OPC / BBC handle. If the blade does not stop, adjust as 
necessary or inspect and repair before using.

 Figure 15

Razor Fig 29

1. Cable Adjuster
2. Cable Nuts

1

2

Summary of Contents for 51121600

Page 1: ...nderstand and follow all safety practices in Owner Operator Manual before beginning Item Description Qty Ariens P N 1 Ground Drive Pulley 51121600 51121700 1 07343800 2 Ground Drive Pulley 51121800 51...

Page 2: ...es Discard screws 7 Pull belt over end of crankshaft to allow belt to slide out through belt channel 8 Rotate transmission backward to remove hardware then adjust to loosen belt 9 Remove belt and pull...

Page 3: ...lever 5 While holding anti rotation arm in position with pry bar remove anti rotation shoulder bolt Gradually release the spring tension and allow the anti rotation arm to rotate counter clockwise 6 R...

Page 4: ...allow belt to slide out through belt channel 12 Rotate transmission backward to remove hardware then adjust to loosen belt 13 Remove belt and pull through the belt channel See Figure 8 Figure 7 1 Cra...

Page 5: ...h this hole Belt Channel Plug 1 Install metal plug item 4 using two 10 24 x 3 8 tapping screws item 5 Hold plug in position from inside of channel while securing screws See Figure 10 Dome Plug 2 Inser...

Page 6: ...176 only Install spacer item 6 onto crankshaft IMPORTANT Install new engine pulley item 2 with thick side of pulley on top See Figure 12 for orientation 6 Install key item 7 and wave washer item 8 7 I...

Page 7: ...light amount of slack and hand tighten front adjustment nut against the cable bracket Tighten the rear adjustment nut See Figure 14 17 Replace blade and two bolts on blade brake clutch Torque bolts to...

Page 8: ...Make sure the return spring is properly connected to transmission bracket 4 On the handlebar loosen cable nuts away from bracket See Figure 29 5 Move the wheel drive cable adjuster up or down the han...

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