226 and 242 Skid Steer Loaders Power Train Chain (Drive) Tension - Adjust Caterpillar


Chain (Drive) Tension - Adjust
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226 and 242 Skid Steer Loaders Power Train [RENR4834]
POWER TRAIN
DRAIN GP
226 and 242 Skid Steer Loaders Power Train Chain (Drive) Tension - Adjust
1.1. Adjustment Procedure

Adjustment Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     159-3337     Chain Tension Adjuster     1    

  1. Use a suitable lifting device to raise the machine. Block up the machine.



    Illustration 1g00658679

  1. Rotate the wheel. Measure the total free play (A) .

    Note: The total free play of the arc along the circumference of the tire should not exceed 15 mm (0.6 inch). If the total free play does not exceed 15 mm (0.6 inch) the chain tension does not need further inspection. If the total free play exceeds 15 mm (0.6 inch), continue with the inspection.




    Illustration 2g00913624

  1. Use a suitable lifting device to support the tire. Remove lug nuts (1) . Remove tire (2) . The weight of the tire is approximately 51 kg (113 lb). Remove bolts (3) . Remove cover (4) .



    Illustration 3g00913625

  1. Ensure that chain (5) is taut below the sprockets when you are measuring the amount of movement in the chain. If the movement (B) exceeds 40 mm (1.6 inch), the chain tension needs adjustment.



      Illustration 4g00913626

    1. Loosen bolts (6) .



      Illustration 5g00913627

    1. Position Tooling (A) .

    1. Rotate the adjuster counterclockwise in order to tension the chain.

      Note: The proper chain tension will be achieved when there is 15 mm (0.6 inch) of movement in the chain.




      Illustration 6g00554036

    1. Tighten the bolts for the axle housing in the order that is shown above to 160 ± 15 N·m (118 ± 11 lb ft). Torque all nuts again to 160 ± 15 N·m (118 ± 11 lb ft) and turn an additional 60 ± 5° in the same order.

    1. Remove Tooling (A) .

    1. Repeat the adjustment procedure for the drive chain on the other side of the machine.

  1. Use a suitable lifting device to install the tire. The weight of the tire is approximately 51 kg (113 lb). Refer to Operation and Maintenance Manual, SEBU7468, "Wheel Nuts - Tighten" for the procedure to tighten the lug nuts.

  1. Repeat Step 1 through Step 5 for the rear of the machine.

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