Vanair Air N Arc All-in-One Power Systems 300 Operations Manual & Parts List page 125

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AIR IN ARC 300 SERIES ALL-IN-ONE POWER SYSTEM
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
System operating pressure below
specified minimum (continued)
Excess amount of oil in air
discharge
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Possible Cause
COMPRESSOR (CONTINUED)
System leaks or is damaged
Pressure switch set too low/
malfunction
Input rpm too low
Inlet valve Teflon "O" ring popped out of
groove
Inlet valve piston stuck in down posi-
tion.
Leaking compressor shaft seal
Soiled inlet valve
Inlet valve fails to open
Inlet valve frozen
Machine not on level surface
090010-OP_r0
SECTION 7: TROUBLESHOOTING
Corrective Action
Inspect for leaks. Repair and/or replace
damaged parts as necessary. Use Section
9, Illustrated Parts List to visually confirm/
identify any part that needs to be replaced
before ordering part.
Adjust pressure switch setting. Refer to
Section 2.2.7, Adjustable Pressure
Switch, and Section 6.5.15, Adjusting the
Pressure Setting. Replace if switch
continues to deviate from setting.
Adjust to proper setting.
Replace "O" ring: Refer to Section 6.5.2,
Repairing the Air Inlet Valve. Order inlet
valve repair kit—see Table 9A: Recom-
mended Spare Parts List.
Check for proper operation with an auxiliary
air source—replace or rebuild inlet valve.
Replace shaft seal with available kit. Refer
to Section 6.5.7, Repairing the Compres-
sor Shaft Seal. Order shaft seal kit—see
Table 9A: Recommended Spare Parts
List
Remove valve and clean piston. Refer to
Section 6.5.2, Repairing the Air Inlet
Valve. Order inlet valve repair kit—see
Table 9A: Recommended Spare Parts
List.
Repair/replace inlet valve. Refer to Section
6.5.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Repair/replace inlet valve. Refer to Section
6.5.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Move machine to level surface.
Continued on next page
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