Table 2-4. UNIT AIR COMPRESSOR TROUBLESHOOTING PROCEDURES
TEST OR INSPECTION
AIR COMPRESSOR FAILS TO START.
Step 1. Check for voltage to full voltage starter.
a. Apply electrical power, refer to generator TM 5-6115-585-12.
High voltage on this equipment can cause serious
injury or death. When applying power during a test,
take proper measures to ensure safety of personnel.
Never work on electrical equipment unless there is
another person nearby who is familiar with the
operation and hazards of the equipment.
Using a multimeter, check for 120 vac on the following:
(1) TB1 to ground
(2) TB2 to ground
(3) TB3 to ground
Repair electrical wiring, refer to FO-1 Laundry Unit Interconnect Wiring Diagram.
Remove electrical power, refer to TM 5-6115-585-12.
Step 2. Check if ON/OFF adjustment is set correct.
Do adjustment procedures, refer to paragraph 2-34, Air Compressor.
If compressor fails to start, replace pressure switch.
Step 3. Check for continuity on wiring.
When testing for continuity between electrical wires,
disconnect one end of electrical wiring before
testing. When testing for grounded electrical wires,
disconnect both ends of electrical wiring before
Using a multimeter, check for continuity on the following wires:
(1) 34 to 34 FVS-T3 to Wire End