SPARK PLUG 7H6959 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7094 Breaker Bar 1
The V-belts are under tension from the spring. If the wrench slips while releasing the belt tension, personal injury may result. Be sure the wrench is properly engaged with the belt tightener.
Illustration 1 g00555775
Release the V-belt tension on the belt tightener. Use Tooling (A) to rotate the tightener arm in a counterclockwise direction. Remove V-belts (1) from the fan drive pulley.
Rotate the tightener arm in a clockwise direction with Tooling (A) in order to release the spring tension on the belt tightener.
Illustration 2 g00555777
Disconnect hose assembly (2) from the elbow on the tightener arm.
Illustration 3 g00555784
Remove bolts (3) and the washers from the bracket.
Illustration 4 g01056036
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Remove one bolt (7) and the washer from the bracket in order to allow bracket (5) to pivot and rotate on the remaining bolt (7). This will release the remaining spring pressure on the tightener arm. Remove the remaining bolt (7), the washer and bracket (5) from the fan drive assembly.
Remove cotter pins, the washers, and pins (6) from the tightener arm. Remove springs (4) from the belt tightener.
Illustration 5 g01056037
Remove bolt (10), the washer, and plate (9) in order to remove tightener arm (8) and the idler pulley from the fan drive bracket as a unit.