8S4521 BRAKE ADJUSTER ASSEMBLY Caterpillar parts
824B, 825B, 988
Rating:
Alternative (cross code) number:
CA8S4521
8S-4521
8S4521
CA8S4521
8S-4521
8S4521
SOIL COMPACTOR, WHEEL LOADER,
Compatible equipment models: 8S4521:
Information:
Torque for 1/4 in. locknuts on cable assemblies (8) and (9) that hold the rod ends in place ... 8 5 N m (6 4 lb ft)Torque for 3/8 in. locknuts on rod assembly (3) ... 12 4 N m (9 3 lb ft)Torque for all 5/8 in. jam nuts ... 38 2 N m (28 1 lb ft)(2) Torque for nut ... 18 3 N m (13 2 lb ft)(3) Assembled length of rod assembly ... 202.0 1.5 mm (7.95 .06 in)Procedure to Adjust Transmission Control Linkage
The transmission control linkage must be adjusted if transmission control lever (4) comes in contact with guide (5) in any forward or reverse gear or in neutral. To move transmission control lever (4) to either side (right or left), adjust directional cable (9). To move transmission control lever (4) to the front or rear, adjust speed cable (8).1. For the cable that needs adjusted, remove bolts (11) that hold cover (10) to the housing.2. Loosen the locknut for the cable that needs to be adjusted and turn cover (10) as necessary to adjust control lever (4) so that it does not make contact with the guide in any forward or reverse gear or in neutral.Procedure To Adjust Neutral Start Switch
1. Engage the parking brake [lever (7) in position shown].2. Adjust switch (6) until the roller is just touching plate (1).3. Rotate switch another 3/4 turn (270°) plus the amount required to line roller up with plate (1). The neutral start switch may be adjusted with the 8S4627 Continuity Light or equivalent. With the continuity light across the switch terminals, adjust the switch until the light comes on, and continue until the roller lines up with the plate.
The transmission control linkage must be adjusted if transmission control lever (4) comes in contact with guide (5) in any forward or reverse gear or in neutral. To move transmission control lever (4) to either side (right or left), adjust directional cable (9). To move transmission control lever (4) to the front or rear, adjust speed cable (8).1. For the cable that needs adjusted, remove bolts (11) that hold cover (10) to the housing.2. Loosen the locknut for the cable that needs to be adjusted and turn cover (10) as necessary to adjust control lever (4) so that it does not make contact with the guide in any forward or reverse gear or in neutral.Procedure To Adjust Neutral Start Switch
1. Engage the parking brake [lever (7) in position shown].2. Adjust switch (6) until the roller is just touching plate (1).3. Rotate switch another 3/4 turn (270°) plus the amount required to line roller up with plate (1). The neutral start switch may be adjusted with the 8S4627 Continuity Light or equivalent. With the continuity light across the switch terminals, adjust the switch until the light comes on, and continue until the roller lines up with the plate.
Caterpillar SIS machinery equipment:
Caterpillar parts catalog:
Parts brake Caterpillar catalog:
7J5399
BRAKE CONTROL
651B
651B
6F2688
BRAKE BAND ASSEMBLIES
977D, D5
977D, D5
7K3260
BRAKE CHAMBER ASSEMBLY
814, 815, 966C
814, 815, 966C