JCB Backhoe Loader Power Sideshift – Chain Adjustment
The chain tension should be checked at the initial 100 hours service and every 500 hours.
Check and Adjust
JCB ServiceMaster4 v23.2.1 (02.2023) Diagnostic Software Download and Installation
1 Park the machine on firm level ground, engage the parking brake and set the transmission to neutral. Lower the loader arms to the ground.
2 Position the carriage centrally and rest the bucket on the ground, remove the starter key.
3 Check the chain tension which should be 5 to 10mm (0.19 to 0.39in) deflection A at the mid point. The tension should be equal for all chains.
4 If adjustment is required, slacken locknuts C and adjust on nuts B as required, tighten locknuts C on completion.
5 Repeat steps 3 and 4 for the opposite pair of chains.
Note: When there is no thread left for adjustment fit new chains.
6 Operate the carriage side to side several times and recheck the deflection.
JCB Heavy Duty Truck Diagnostic TOOL JCB Electronic Service tool with JCB Service Master 4 V22.4.2
Removal
1 Park the machine on firm level ground, engage the parking brake and set the transmission to neutral. Lower the loader arms to the ground.
2 Position the carriage centrally and rest the bucket on the ground, remove the starter key.
3 Undo and remove nuts B.
4 Remove split pins D and pin E.
5 Withdraw chains from the machine.
Assembly
1 Thread the chains around the pulley and secure to the carriage with pin E, fit new split pins D.
2 Connect chain adjusters, tension chains as required, see Check and Adjust
