Seal Installation; O-Ring Fittings - Quincy Compressor QMA Series Instruction Manual

Seal Installation
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Apply a thin coat of compressor fluid to the outer
face of the seal wear sleeve and seal lip.
Cover the keyway in the compressor shaft with
masking tape so there is no chance of damage
occurring to the seal face during installation.
Slide the proper seal installation sleeve against the
wear sleeve with the taper toward the end of the
rotor shaft.
Install a new O-ring on the outer diameter of the
fluid seal adapter and lubricate with clean petroleum
jelly.
Carefully slide the fluid seal adapters with the new
seal installed over the end of the rotor shaft and up
against the O-ring.
Using care not to damage the O-ring, draw the fluid
seal adapter evenly to the suction end. Install the
fluid seal adapter retaining bolts and tighten to the
specitled torque.
Remove the installation sleeve.
Apply a thin film of compressor lubricant to the
O-ring and seal lip of the outer lubricant slinger.
Install the outer slinger over the end of the rotor
shaft and push into the suction endplate scavenge
bore using both thumbs.
Reinstall the scavenge system line to the check valve
located at the inlet valve.
10. Reinstall the key, hub and drive couplings to the
compressor shaft.
11. Reinstall the drive motor and remove the supports
under the air/fluid reservoir.
12. Reinstall any guard or cabinet panels that were
removed.
O-Ring Fittings - Installation Instructions
SAE straight thread O-ring Fitting (adjustable):
Assembly, fitting to port
When installing O-ring on fitting DO NOT nick
the O-ring.
Note: All O-rings must be made of Viton material.
l-i-r-l.
Sae
Straight
Thread O-ring Fitting
Adjustable
Step 1: Inspect all mating surfaces for burrs, nicks,
scratches or any foreign particles.
Step 2: Lubricate O-ring with light coat of petroleum
jelly.
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Step 3:
Step 4:
Back lock nut until it makes contact with
fitting.
Hand tighten fitting until back-up washer
contacts face of the port and is pushed all the
way toward the flange.
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