SECTION 7: TROUBLESHOOTING AIR IN ARC
®
200 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 106 090019-OP_r0
COMPRESSOR (CONTINUED)
Compressor will not build up
pressure (continued)
Compressor capacity too low to
accommodate demand
Substitute larger capacity compressor
system.
Obstructed or restricted intake air flow Check for obstructions (frame, body, etc.) to
air filter vents. Replace air filter if necessary.
Refer to Section 6.5.1, Compressor Air
Filter.
Belt(s) slipping Re-situate and adjust belt tension, or
replace belt if necessary. Consult Section
6.5.7, Replacing and Re-tensioning the
Compressor and/or Generator Drive
Belts, and its sub-sections.
Engine governor stuck Free governor and lubricate if necessary.
Consult the Engine Operator’s Manual.
Unloader valve(s) sticking or faulty Refer to Section 6.5.3, Unloader Valve
Maintenance, to clean or rebuild/replace.
Pressure relief valve not operating
properly
Replace if necessary.
Leak in air system Inspect air system for leaks.
Faulty throttle solenoid Check throttle solenoid; replace if
necessary.
Check throttle relay; replace if necessary.
Refer to Section 6.6, Servicing the
System Fuses and Circuit Breakers.
Service valve is open Close service valve.
Pressure gauge is malfunctioning Check pressure gauge function/control line
routing: adjust, repair or replace as
necessary.
Pressure gauge is malfunctioning
(continued)
Check for proper operation with an auxiliary
air source. Replace if necessary.
Discharge piping leaks Tighten connections; replace faulty piping.
Slipping of belts Working pressure too high Lower working pressure.
Improper belt tension. Adjust belt tension. Consult Section 6.5.7,
Replacing and Re-tensioning the
Compressor and/or Generator Drive
Belts, and its sub-sections.
Continued on next page
7.3 TROUBLESHOOTING GUIDE
Fault/Malfunction Possible Cause Corrective Action
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