TM 10-3810-307-10
TRANSMISSION
Crane will not move or moves erratically (transmission failure) . . . . . . . . . . . . . . . 6-12
Transmission oil temperature above normal . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
HYDRAULIC SYSTEM
No crane functions (lift, hoist, swing, telescope) . . . . . . . . . . .
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Hard to steer left and right . . . . . . . . . . . . . . . . . . . . . . . .
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Slow or erratic operation of outrigger cylinders . . . . . . . . . . . .
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Outrigger system will not activate. . . . . . . . . . . . . . . . . . . .
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Outrigger system activates, but selected outrigger will not retract
or extend and lower as desired . . . . . . . . . . . . . . . . . .
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Boom raises or lowers erratically . . . . . . . . . . . . . . . . . . . .
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Boom raises or lowers slowly . . . . . . . . . . . . . . . . . . . . . .
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Boom will not raise or lower . . . . . . . . . . . . . . . . . . . . . . .
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Erratic operation of telescope cylinder . . . . . . . . . . . . . . . . .
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Telescope cylinder will not extend or retract . . . . . . . . . . . . .
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Hoist will not raise load . . . . . . . . . . . . . . . . . . . . . . . . . .
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Hoist will not lower load . . . . . . . . . . . . . . . . . . . . . . . . .
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Slow or erratic hoist operation. . . . . . . . . . . . . . . . . . . . . .
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Boom swing operations erratic in either direction . . . . . . . . . .
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Swing brake system will not operate . . . . . . . . . . . . . . . . . .
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DIESEL HEATER
Diesel heater fails to start - motor does not run . . . . . . . . . . . . . . . . . . . . . . . . 6-19
Diesel heater fails to start - motor runs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
maintenance of the crane or its components. You should perform the tests/inspections and
corrective actions in the order listed.
This manual cannot list all malfunctions that may occur, nor all test or inspections and corrective
actions. If a malfunction is not listed or is not corrected by listed corrective actions, notify your
supervisor.
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