Rex ® Adjustment Troubleshooting - Kirby Morgan 77 Operation And Maintenance Manual

Kirby Morgan 77
®
7.11.1 REX Adjustment Troubleshooting
®
Problem:
Regulator hisses and will not shut off.
Remedy: Check to ensure the lever has between 1/6
inch and 1/8 inch play. To increase lever play rotate
the inlet nipple in clockwise.
Remedy: After checking for lever play, secure the air
source. Remove the inlet nipple and check for nicks
or flaws on the tip. Replace if needed and re-test. If
leak persists, check the inlet seat for damage, check
for damaged piston o-ring.
Problem: Bent tube damaged causing the nipple tube
to be improperly aligned.
Remedy: Replace bent tube.
Problem:
Depressing the regulator cover results in little or no
flow.
Remedy: Slowly back out counterclockwise on the
inlet nipple 1/8 turn, re-check, readjust as necessary.
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