EN
77-2816-R7 (3/2021)
3 / 4
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Risk of injury from pressurized components.
Turn off inlet air pressure and bleed off remaining pressure
before disassembly.
!
WARNING
DISASSEMBLY
1. Turn regulator knob counterclockwise until it stops.
2. Unscrew the bonnet from the regulator body, remove
adjusting screw and nut, then the regulating spring,
slip ring, and diaphragm. Unscrew the valve seat and o-ring
assembly using a screwdriver. Then remove the valve and
valve spring.
CLEANING
1. Clean parts using warm water and soap.
2. Inspect all parts.
3. Replace damaged parts.
REASSEMBLY
1. At reassembly, apply a small amount of Gunners Mate
lubricant (54-3871) to the adjusting screw threads.
2. Torque the valve seat to 4-6 inch-lbs. Torque the bonnet to
50-60 inch-lbs.
REGULATOR DISASSEMBLY, CLEANING AND REASSEMBLY
OPERATION
1. Do not exceed 95 PSI inlet pressure.
2. Do not exceed 15 PSI outlet pressure. Recommended fluid
pressure for the MACH I HVLP gun is 3 to 5 PSI. Actual
fluid pressure will vary with fluid nozzle and fluid viscosity.
3. When reducing the regulator setting it is necessary to
relieve fluid supply cup of its previously set pressure.
Do not immerse this regulator in solvent or allow solvents to
enter any of the regulator openings. When using a gun cleaning
cabinet, remove the regulator before cleaning the gun.
!
CAUTION
REGULATOR OPERATION
