148 50940193/DP0415
Drive Chain Tension
Drive chains are located in the chaincase on each side of the machine. See “Maintenance
Schedules” on page 123 for chain tension check interval.
Checking Chain Tension
1. Raise the loader according to the “Lifting the Machine” on page 130.
2. Rotate each tire by hand. The proper amount of chain defection should be 3-25 mm
(1/8-1 in.) forward and rearward tire movement. If the chain defection is more than 25
mm (1 in.) or less than 3 mm (1/8 in.) in either direction, the chains should be adjusted.
Adjusting Chain Tension
1. Raise the loader according to the “Lifting the Machine” on page 130.
2. Remove the wheel from the axle to be adjusted.
3. Loosen (but DO NOT remove) the bolts holding the axle to the chaincase.
4. Front Chain Tension – To tighten the front chain, move the front axle assembly
toward the front of the loader. To loosen the chain, move the front axle assembly
toward the rear of the loader.
Rear Chain Tension – To tighten the rear chain, move the rear axle assembly
rearward. To loosen the chain, move the rear axle assembly toward the front of the
loader.
5. After proper tension is achieved, tighten the bolts.
Important: Be careful not to over-tighten the drive chains. Over-tightening will cause
premature drive chain and axle sprocket wear.
6. Reinstall the wheel.
7. Repeat this procedure for any other axle requiring adjustment.
8. Lower the loader according to the “Lowering the Machine” on page 131.
Seat and Restraint Bar Switches
Electrical switches in the seat and restraint bar must be closed (operator sitting in the seat
and restraint bar lowered) and the auxiliary hydraulics must be in neutral to complete the
circuit and start the engine.
Bucket Cutting Edge
The bucket cutting edge should be replaced when it is worn to within 25 mm (1 in.) of the
bucket body.
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