freightliner COLUMBIA CL112 Maintenance Manual page 97

42
1
3
5
08/09/95
1. 5/16 x 4-1/2-Inch Upper
Mounting Bracket Capscrew
2. Upper Mounting Bracket Strap
3. 5/16-Inch Lockwasher
®
4. 5/16-Inch Nylok Nut
5. Upper Mounting Bracket
6. Housing
7. Nylok Nut
8. 3/8-Inch Special Washer
lbf·in (3060 to 4340 N·cm). Install the capscrew,
two washers, and a new Nylok nut in the upper
mounting bracket strap. Torque the upper mount-
ing bracket strap capscrew 80 to 120 lbf·in (904
to 1356 N·cm).
18. Connect and tighten the three air lines. Connect
the harness connector to the heater and thermo-
stat assembly until the lock tab snaps in place.
19. Start the engine, build the air pressure, and
check the air brake system for leaks. If any air
42/2
2
9
4
10
6
10
7
8
9. Desiccant Cartridge
10. O-Ring
11. Safety Valve
12. Lower Mounting Bracket
13. 3/8-Inch Capscrew (long)
14. Check Valve Assembly
15. Purge Valve Assembly
16. Purge Valve Bolt
17. Exhaust Diaphragm
Fig. 1, AD-9 Air Dryer (exploded view)
11
10
12
14
8
13
18. Purge Valve
19. 1/4-Inch Tapping Screw
20. Purge Valve Housing
21. Heater and Thermostat
Housing
22. Return Spring
23. Purge Piston
24. 3/8-Inch Capscrew
25. End Cover
leaks are present, see Group 42 of the
Columbia ® Workshop Manual for diagnosis and
repair information.
20. Remove the chocks from the tires.
Columbia Maintenance Manual, January 2008
Brakes
25
8
10
24
10
10
10
23
22
15
21
20
18
19
17
16
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