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Figure 2-6. Air compressor unit starting procedures (sheet 1 of 2).
Figure 2-7. Air compressor unit stopping procedure.

TM-5-4310-354-14 Compressor Rotary; Air Skid Mounted; Diesel Engine 125 CFM 100 PSIG (Davey Model 6M125) Manual
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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
(FIG
2-4)
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).
2-13






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