freightliner CL112 2015, Maintenance Manual

Page: 137 / 180

5. Check the brake pedal mounting plate adapter
for signs of wear or cracks at the bosses (the
area from which the pivot pin was removed). Re-
place it if necessary.
6. Check the brake pedal rollers for signs of wear
or cracks. Replace it if necessary.
7. If the rollers are replaced, replace the roller pin,
install a new cotter pin, bend it to 90 degrees
and apply Torque Seal (OPG F900 White) to the
cotter pin.
8. Remove the plunger from the valve. Using alco-
hol, clean the existing grease from the plunger.
Check the plunger for signs of wear or cracks.
Replace it if necessary.
9. Lubricate the plunger with barium grease (BW
246671).
10. Insert the plunger in the valve.
11. Install the brake pedal with the pivot pin.
12. Install a new roll pin and apply Torque Seal
(OPG F900 White) to the roll pin.
13. Install the brake valve assembly. See Section
42.10, Subject 110 , of the Columbia® Workshop
Manual for instructions.
14. Test the brakes before returning the vehicle to
service.
42–10 Brake Inspection
IMPORTANT: This procedure should be per-
formed prior to lubrication of the brake compo-
nents.
Parking Brake Operational Check
CAUTION
Perform the following check in a clear safe area. If
the parking brakes fail to hold the vehicle, per-
sonal injury or property damage may result.
1. With the engine running, and air pressure at cut-
out pressure, set the parking brake.
2. Put the vehicle in the lowest gear and gently at-
tempt to move it forward. The vehicle should not
move. If the vehicle moves, the parking brakes
are not operating correctly and must be repaired
before the vehicle is returned to service. See
f420012a
10/20/93
1
2
3
4
5
6
7
1. Brake Chamber
2. Clevis
3. Actuator Rod
4. Boot
5. Pressure-Relief Capscrew, Gasket, Pawl Spring,
and Pawl
6. Manual Adjusting Nut
7. Grease Fitting (or plug)
Fig. 9, Meritor Automatic Slack Adjuster
f430405 11/01/2016
1
2
3
4
6
7
8
5
1. E-6 Foot Control Valve
2. Mounting Plate
3. Nut and Washer
4. Pivot Pin
5. Roll Pin
6. Roller
7. Roller Pin
8. Pedal
Fig. 10, Brake Pedal and Valve Assembly
Brakes
42
Columbia Maintenance Manual, September 2015
42/9