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 the rollers as needed.
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
Group 42
,
of the vehicle Workshop Manual.
14. Test the brakes before returning the vehicle to
service.
42–11 WABCO System Saver
Air Dryer Desiccant
Cartridge Replacement
NOTE: The following instructions apply to the
System Saver 1200, 1200 Plus, and Twin air
dryers.
NOTICE
The WABCO System Saver air dryers can use ei-
ther a standard or oil coalescing desiccant car-
f420653a
1
2
3
4
5
6
7
8
10
9
10/27/93
1.
7/16-Inch Adjusting
Nut
2.
Grease Fitting
3.
Boot
4.
Link
5.
Brake Chamber Piston
Rod
6.
Clevis
7.
1/2-Inch Clevis Pin
8.
1/4-Inch Clevis Pin
9.
Grease Relief
Opening
10. Slack Adjuster Spline
Fig. 9, Gunite Automatic Slack Adjuster
09/10/2004
f430405
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
122SD and Coronado 132 Maintenance Manual, February 2016
42/11
