824K Wheel Dozer, 825K Soil Compactor and 826K Landfill Compactor Machine Systems Caterpillar


Parking Brake Control

Usage:

826K 232


Illustration 1g03643285
Front view

Table 1
Specification for 453-1402 Parking Brake Gp 
Item  Qty  Part  Specification Description 
8T-4244 Nut  Torque to 50 ± 10 N·m (37 ± 7 lb ft)
4K-1540 Clevis Pin  Before assembly, apply Loctite C5A Copper Anti-Seize to clevis pin, lever, and rod end yoke bores. 
9M-5139 Spring  Free length is 75.7 mm (2.98 inch)
12  8T-4183 Bolt  Torque to 105 ± 20 N·m (77 ± 15 lb ft)
Before you apply green Loctite 620 to parking brake plate and drive shaft bearing retainer, contact surfaces must be clean and dry.
Apply green Loctite 620 to either brake plate or bearing retainer mating surface.
Tighten bolts (6) and remove excess sealant from joint. 
9X-2021 Locking Bolt  Torque to 300 ± 40 N·m (221 ± 30 lb ft)


Illustration 2g03643286
Rear view

Table 2
Item  Qty  Part  Specification Description 
121-6607 Lever  Minimum installed length of spline is 29.0 mm (1.14 inch)
Length of the actuator shaft in the RETRACTED position is 145 mm (5.7 inch)
Stroke of actuator with correctly adjusted parking brake is 20.0 to 38.0 mm (0.79 to 1.50 inch)
7F-9578 Spring  Maximum free length is 92.08 mm (3.625 inch)

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