To Replace Regulator - Porter-Cable C5101 Instruction Manual

6. Unscrew the check valve (turn counterclockwise) using a 7/8" open end
wrench. Note the orientation for reassembly.
7. 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.
8. Clean or replace the check valve.
A solvent, such as paint or varnish
remover can be used to clean the
check valve.
9. Apply sealant to the check valve threads. Reinstall the check valve (turn
clockwise).
10. Replace the pressure release tube. Tighten nuts.
11. Replace the outlet tube and tighten nuts.
12. Replace shrouds.
13. Perform the Break-in Procedure. See "Break-in Procedure" in the
"Operation section".

To Replace Regulator

1. Release all air pressure from air tank. See "To
Drain Tank" in the "Maintenance" section.
2. Set the On/Auto/Off lever to "Off" and unplug
unit.
3. Using an adjustable wrench remove the outlet
pressure gauge and quick connect from the
regulator.
4. Remove the regulator.
5. Apply pipe sealant tape to the nipple on the standpipe.
6. Assemble the regulator and orient as shown.
NOTE: Arrow indicates flow of air. Make sure it is pointing in the direction of
air flow.
7. Reapply pipe sealant to outlet pressure gauge and
quick connect.
8. Reassemble outlet pressure gauge and quick connect. Orient outlet
pressure gauge to read correctly. Tighten connect with wrench.
Nipple
Regulator
17- ENG
Screwdriver
Outlet
Pressure
Gauge
Regulator
Quick
Connect
Regulator
Arrow
A10208