TM 5-4310-354-14
TS5-4310-354-14/2-6 (2)
STEP 7
AFTER ENGINE STARTS, TURN IDLE
CAUTION
CONTROL
CABLE
HANDLE
COUNTERCLOCKWISE TO UNLOCK AND
DO NOT OPERATE THE COMPRESSOR
PULL HANDLE OUTWARD TO INCREASE
UNIT WITH LESS THAN 80 PSI (5.6
KG/CM2) IN THE OIL SEPARATOR TANK.
ENGINE SPEED TO FAST IDLE OF
APPROXIMATELY 1500 RPM.TURN HANDLE
IF AIR DEMAND IS SUCH TO CAUSE
CLOCKWISE TO LOCK. OBSERVE SPEED
PRESSURE TO DROP BELOW 80 PSI (5.6
KG/CM2), REDUCE AIR DEMAND BY
ON TACHOMETER-HOURMETER.
ALLOW
ENGINE TO RUN AT FAST IDLE UNTIL
PARTIALLY
CLOSING
DISCHARGE
ENGINE WATER TEMPERATURE GAUGE
SERVICE VALVE (FIG 2-5).
INDICATES APPROXIMATELY 1400F (600C).
STEP 11.
CONNECT
PNEUMATIC
TOOLS
TO
STEP 8.
UNLOCK IDLE CONTROL CABLE HAND LE,
DISCHARGE SERVICE VALVE CONNECTORS.
PUSH IN HANDLE AND LOCK.
UNLOCK
OPEN THE SERVICE VALVE(S) AS REQUIRED
COMPRESSOR
UNLOADER
CONTROL
FOR TOOLS BEING USED. NORMAL UNIT
CABLE HANDLE, PUSH IN HANDLE AND
OPERATING PRESSURE RANGE IS 80 PSI
(5.6 KG/CM2) LOAD TO 105 PSI (7.4 KG/CM 2)
LOCK.
UNLOAD.
STEP 9.
UNIT IS NOW OPERATING IN THE LOAD
NOTE
CONFIGURATION. OBSERVE AND CHECK
READINGS
OF
ALL
ENGINE
AND
THIS UNIT IS EQUIPPED WITH SAFETY
COMPRESSOR GAUGES.
DEVICES
WHICH
AUTOMATICALLY STOP THE ENGINE
STEP 10.
WHEN UNIT HAS REACHED OPERATING
DUE TO:
HIGH
TEMPERATURE
PRESSURE OF 105 PSI MAXIMUM (7.4
COMPRESSOR
OIL,
HIGH
KG/CM2),
COMPRESSOR
WILL
TEMPERATURE ENGINE COOLANT, LOW
AUTOMATICALLY UNLOAD. UNIT IS NOW
ENGINE OIL PRESSURE, AND ENGINE
READY FOR OPERATION.
OVERSPEED. IF ENGINE STOPS DURING
OPERATION FOR ONE OF THESE
REASONS, DETERMINE CAUSE OR
REPORT
CONDITION
TO
ORGANIZATIONAL
MAINTENANCE
BEFORE ATTEMPTING TO START AGAIN.
ALL SAFETY DEVICES ARE AUTOMATIC
RESET, EXCEPT ENGINE OVERSPEED
WHICH IS MANUAL.
Figure 2-6. Air compressor unit starting procedures (sheet 2 of 2).
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