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Install the inner and outer O-rings in the ex-
wear, as evidenced by scratches, scoring, and corro-
haust cover assembly.
Install the sealing ring on the cover.
ton for nicks and scratches which could cause exces-
Do not damge the piston O-ring.
Inspect the inlet valve seat in the body for
scratches and nicks, which could cause excessive
Install the piston in the body.
Inspect the exhaust seat of the quick release
Noting the reference marks made during disas-
diaphragm in the cover and make sure all internal air
sembly, install the cover on the valve body and the
passages in this area are open and clean, and free of
mounting bracket on the cover.
nicks and scratches.
Secure the mounting bracket and cover to the
Torque 80 to 120 pounds-inch (92.16 to 138.24
Prior to assembling the relay valve, lubricate all O-
Install the valve retainer on the inlet/exhaust
rings, O-ring grooves, piston bores, and metal to me-
valve and install in the body.
tal moving surfaces with a barium base lubricant.
Install the inlet/exhaust valve return spring in
All torques specified in this package are assembly
torques and can be expected to fall off, after assembly
is accomplished. Do not retorque after initial assem-
Install the exhaust cover assembly in the body.
bly torques fall.
10. While depressing the exhaust cover, install the
During assembly it is recommended that hand wrenches
retaining ring. Ensure the retainer is completely
rather than impact wrenches be used.
seated in its groove in the body.
Install the large piston O-ring on the piston.