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Drive Belt Replacement (B42 belt #Z41161):
1.
Ensure the engine is off (ignition switch is off and the fuel valve is closed).
2.
Remove the 4 bolts that hold the belt shield to the chipper
3.
Remove the 2 bolts the hold the clutch keep to the shield mount, and remove the clutch keep
4.
Loosen (do not remove) the 4 x bolts that hold the engine mount to the main frame (two on each side
of the motor mount)
5.
Turn the belt tensioning bolt counter clockwise, until belt is loose enough to remove,
6.
Remove the following parts to access the drive belt:
• clutch actuator cable
: remove the shoulder bolt from the actuator foot, and unhook from brake/clutch
• return spring
: unhook from the shield mount and brake/clutch
• clutch keep
: unbolt from the shield mount
7.
Remove the old belt from the rotor sheave first, then the brake / clutch.
8.
Replace with the new belt
9.
Replace the clutch keep and its bolts (ensure the peg on the brake clutch is in the slot in the clutch keep
10.
Turn the belt tensioning bolt clockwise, to pull the engine mount outwards to tighten the belt
11.
Check the tension by pushing on the belt with your fore finger and measure its defection. Drive belt
should deflect no more than 1/4 to 3/8" (6 mm to 10 mm).
12.
When tension is correct, check pulley alignment then tighten up all four engine mount bolts, and replace
the belt shield and bolts.
13.
Recheck tension after 10 hrs of use.
Drive Engage
(in stop position)
Clutch Actuator
Foot
Clutch Keep
Return Spring
Clutch Actuator Cable
with Spring
Shoulder Bolt
