Maintenance Instructions

2.Apply oil to the drive chain.

3.Adjust the chain if necessary. Refer to AD- JUSTMENTS of Drive Chain Tension in this section.

4.Reinstall chain guard cover by reversing the re- moval procedure.

Lifting Mechanism

Lubricate the grease fittings (4) across the lifting mechanism attached to the frame every 25 hours. Use SAE general purpose lithium or molybdenum base grease.

Camshaft

Drive

Lifting

Mechanism

Lubricating Lift Mechanism and Camshaft Drive

Camshaft Drive System

Lubricate the grease fittings (16) on the camshaft drive system every 4 hours. Use Almagard® #3752 lubricant (Walker P/N 6685-7). The bearings at each end and attached to the retractor plate arms are sealed and should be greased every 100 hours of operation.

PTO U-Joint

Lubricate the grease fitting for the PTO U-Joint every 8 hours with SAE general purpose lithium or molybdenum base grease.

The PTO U-Joint is accessed by removing the gearbox cover.

ADJUSTMENTS

WARNING

DO NOT attempt to make any adjustments with the tractor engine running. Disengage the PTO clutch, shut off the machine, and remove the ignition key. Wait for all movement to stop before getting off the seat.

Drive Chain Tension

The drive chain should have 1/4 to 1/2 in. (6 to 13

mm)of slack at midspan. Remove the chain guard cover to check slack. Adjust the drive chain as fol- lows:

1.Remove the three (3) screws fastening the re- movable chain guard cover to the frame.

2.Loosen the chain tension block mounting nut and bolt (see photo below).

3.Position the chain tension block so the chain has 1/4 to 1/2 in. (6 to 13 mm) of slack.

4.Retighten the chain tension block mounting nut and bolt.

5.Recheck the drive chain tension.

Tension

Block Nut

Ref. Chain

Guard

Drive Chain Adjustment

13