Inspect and Adjust Park Brake (S.N. -872256)

1. Park machine on level surface and lower all equipment to ground.

2. Move FNR lever (A) to neutral "N".

3. Move park brake switch to ON position.

4. Stop engine.

causym CAUTION: Prevent possible injury from unexpected machine movement. Block wheels to prevent movement of machine during adjustment.

5. Block wheels to prevent movement.

6. Remove operator's station floor plate.

T7826AL

TX,85,BG732 -19-15FEB97-1/3

T7931AE

Park Brake Assembly


A-Dust Seal
B-Seals
C-Piston
D-Parking Brake Adjusting Screw


E-Lock Nut
F-Cover
G-Snap Ring
H-Spring Washers


I-Shaft
J-Park Brake Pads (2 used)
K-Parking Brake Disk
L-Minimum Thickness of Brake Pad and Backing Plate


M-Running Clearance

7. Check minimum thickness (L) of brake pad and backing plate. If clearances are out of specification, see your authorized dealer for service. If (L) thickness is to specifications, go to next step.

Specification

L-Brake Pad Assembly (Park Brake On), Each Side -Minimum Thickness 9 mm (0.354 in.)

TX,85,BG732 -19-15FEB97-2/3

8. Remove screws and remove sheet metal cover from brake. Loosen lock nut (B).

9. Loosen the four mounting cap screws (C) that hold the park brake to the mounting bracket.

10. Tighten adjustment screw (A) to 68 N·m (50 lb-ft).

Specification

Park Brake Adjustment Screw (S.N. -872256) -Torque 68 N·m (50 lb-ft)

11. Tighten the 4 mounting cap screws to 75 N·m (52 lb-ft).

Specification

Park Brake Mounting Cap Screw (S.N. -872256) -Torque 75 N·m (52 lb-ft)

12. Back the adjustment screw off 180° (1/2 turn). This will give approximately 0.5 mm (.02 in.) pad to disk clearance.

Specification

Disk Pad (S.N. -872256) -Clearance 0.5 mm (0.02 in.) Minimum
Disk Pad (S.N. -872256) -Clearance 4.76 mm (0.187 in.) Maximum

13. Tighten the locking nut (B) to 100 N·m (75 ft lb) making sure the adjustment screw does not turn with it.

Specification

Locking Nut (S.N. -872256) -Torque 100 N·m (75 lb-ft)

14. Install sheet metal cover. Tighten cover screws.

15. Install operator's floor plate.

T7931AD


A-Adjusting Screw
B-Lock Nut
C-Cap Screws (4 used)

TX,85,BG732 -19-15FEB97-3/3