FRONT RELAY VALVE T-FITTING TO REAR RELAY VALVE HOSE - CONTINUED
REMOVAL - CONTINUED
Rear relay valve (9)
Line nut (2) and
Using 7/8-inch open-end wrench, unscrew
90-degree elbow (1)
and take off.
Step 3 is typical for two clamp assemblies.
Clamp bracket (3)
Screw (4), lock-
Using 7/16-inch box-end and 7116-inch
washer (5), nut (6),
open-end wrenches, unscrew and take
and clamp (7)
Get rid of lockwasher.
Take clamp off airhose (8).
Take out airhose (8).
Drycleaning solvent P-D-680 is toxic and flammable. Wear protective safety goggles and gloves and use
only in a well-ventilated area. Avoid contact with skin, eyes, and clothes and do not breathe vapors. Do
not use near open flame or excessive heat. The flashpoint for type #1 drycleaning solvent is 100°F (38°C)
and for type #2 is 138°F (59°C). If you become dizzy while using cleaning solvent, get fresh air
immediately, and get medical aid. If contact with eyes is made, flush your eyes with water and get medical
For more information on how to clean parts, go to General Maintenance Instructions (page 2-424).
Clean using liquid detergent and wiping rag.
All metal parts
Clean using drycleaning solvent and wiping
Replace all damaged or defective parts.
For more information on how to inspect parts, go to General Maintenance Instructions (page 2-424).
Change 1 2-1106