Air Compressor Pump Intake And Exhaust Valves; Service And Ad Just Ments; To Replace Or Clean Check Valve - Porter-Cable C5101 Instruction Manual

AIR COMPRESSOR PUMP INTAkE AND ExHAUST VALVES

once a year have a Trained Service Technician check the air compressor pump
intake and exhaust valves.
SERVICE AND ADjUSTMENTS
aLL MaINTeNaNCe aND RePaIR oPeRaTIoNS NoT LISTeD MUST be
PeRFoRMeD bY TRaINeD SeRVICe TeCHNICIaN.
Risk of Unsafe Operation. Unit cycles automatically when
power is on. When servicing, you may be exposed to voltage sources,
compressed air, or moving parts. Before servicing unit unplug or disconnect
electrical supply to the air compressor, bleed tank of pressure, and allow the
air compressor to cool.

TO REPLACE OR CLEAN CHECk VALVE

1. Release all air pressure from air tank. See
To Drain Tank in the Maintenance
section.
2. Unplug air compressor.
3. Using an adjustable wrench loosen outlet
tube nut at air tank and pump. Carefully
move outlet tube up away from check
valve.
4. Using an adjustable wrench loosen
pressure relief tube nut at air tank. Carefully
move pressure relief tube away from check
valve.
5. Unscrew the
counterclockwise) using a 7/8" open end wrench. Note the orientation for
reassembly.
6. Using a screwdriver, carefully push
the valve disc up and down. NOTE:
The valve disc should move freely up
and down on a spring which holds
the valve disc in the closed position,
if not the check valve needs to be
cleaned or replaced.
7. Clean or replace the check valve.
a solvent, such as paint or varnish
remover can be used to clean the
check valve.
8. apply sealant to the check valve threads. Reinstall the check valve (turn
clockwise).
9. Replace the pressure release tube. Tighten nut.
10. Replace the outlet tube and tighten nuts.
check valve (turn
nothing is
18- eNG
Outlet
Tube
Pressure
Relief
Tube
Nut
Screwdriver
In open
position
visible.
In closed position
disc is visible.
Nuts
Check
Valve