Vanair 050735, Руководство по эксплуатации и список запасных частей

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SECTION 7: TROUBLESHOOTING AIR IN ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 104 090034-OP_r0
COMPRESSOR (CONTINUED)
Compressor will not build up
pressure (continued) Inlet valve fails to open or is frozen
shut.
Repair/replace inlet valve. Refer to Section
6.6.2, Repairing the Air Inlet Valve . Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List .
Compressor system over-
pressures
This condition will cause a
compressor shutdown, and a
fault light will turn on. Before
restarting the compressor,
determine the cause of the over-
pressure. May also cause the
relief valve to open.
Pressure switch setting too high Reset pressure switch. Refer to Section
2.2.7, Adjustable Pressure Switch , and
Section 6.6.13, Adjusting the Pressure
Setting
. Replace if switch continues to
deviate from setting.
Pressure switch malfunction Check for operation/damage: repair or
replace.
Unload solenoid valve defective Replace solenoid valve.
Leak in air control line Check for leaks and take corrective action.
Restriction in control line Clean if soiled; if ice is present, clear and
remove.
Damaged/kinked control line Check line for damage (wear, kinks, etc.).
Re-route, re-tie or replace if necessary
(refer to
Appendix A, A.6 Hose Installa-
tion Guide for assistance in running or
checking hose lines).
Control line connections are not prop-
erly seated/poor connection quality Check lines for proper seating/ensure line
ends have been cut cleanly and are square
(
DO NOT use wire cutters: use a loom cut-
ting tool or a clean, sharp razor blade).
Inlet valve Teflon “O” ring popped out of
groove Replace “O” ring: Refer to Section 6.6.2,
Repairing the Air Inlet Valve . Order inlet
valve repair kit—see Table 9A: Recom-
mended Spare Parts List .
Damaged inlet seat Rebuild inlet assembly.
Inlet valve piston is stuck in down posi-
tion. Check for proper operation with an auxiliary
air source—replace or rebuild inlet valve.
Consult
Section 6.6.2 .
Compressor shaft seal is leaking Replace shaft seal with available kit. Refer
to
Section 6.6.7 .
Minimum pressure/check valve is
malfunctioning
Rebuild or replace check valve: Refer to
Section 6.6.10 ; order check valve repair
kit—see Table 9A: Recommended Spare
Parts List .
Continued on next page
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction Possible Cause Corrective Action