VALVE GROUP 6P8226 - Caterpillar

Illustration 1 g01002229
Foot brake control (cover removed) (1) Pedal (service brake and transmission neutralizer) (2) Pedal (service brake) (3) Adjusting bolt (4) Locknut (5) Bolt (6) Mount (7) Pedal switch arm (8) Bolt (9) RollerCheck the Foot Brake Control
Move the machine to a hard, level surface.
Engage the parking brake and stop the engine.
Install the steering frame lock.
Ensure pedals (1) and (2) are in the fully released position.
Find dimension (E). Dimension (E) should be 25 0.5 mm (0.98 0.020 inch).
If dimension (E) is incorrect refer to "Adjust the Foot Brake Control".Adjust the Foot Brake Control
Remove six bolts (5) .
Loosen bolt (8). Ensure pedal switch arm (7) is free to move on the shaft.
Loosen locknut (4). Turn adjusting bolt (3) in order to adjust pedals (1) and (2) to so that dimension (D) equals an initial setting of 120 mm (4.7 inch).
Tighten locknut (4) .
Position mount (6) so that dimension (E) equals approximately 25 mm (0.98 inch).
Install six bolts (5) through the holes in mount (6) that align with the threaded holes.
Loosen locknut (4) on pedal (2). Turn adjusting bolt (3) in order to adjust pedal (2) so that dimension (E) equals 25 0.5 mm (0.98 0.020 inch).
Tighten locknut (4) on pedal (2) .
Loosen locknut (4) on pedal (1). Turn adjusting bolt (3) in order to adjust pedal (1) so that dimension (E) equals 25 0.5 mm (0.98 0.020 inch).
Tighten locknut (4) on pedal (1) .
Position pedal switch arm (7) against roller (9) .
Tighten bolt (8) to clamp pedal switch arm (7) to the shaft.
Adjust the transmission neutralizer limit switch.ReferenceFor information on adjusting the transmission neutralizer limit switch refer to Systems Operation, Testing and Adjusting, "Limit Switch (Transmission Neutralizer) - Adjust".