TM 9-2320-279-34-1
Troubleshooting Index (Cont)
2-7. TROUBLESHOOTING INSTRUCTIONS (CONT).
Table 2-2.
Troubleshooting Subject index (Cont)
Subject
Vehicle System
Page
Load drives hoist motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985) . . . 2-113
Low stall speed
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transmission . . . . . . . . . . . 2-21
Mast raises or lowers erratically or slowly . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985) . . . 2-87
Mast will not hold raised position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985) . . . 2-89
Mast will not raise and lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material Handling
Crane (M977, M985) . . . 2-87
Meter runs too slowly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tanker.. . . . . . . . . . . . . . . .
2-25
No flow through meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tanker
. . . . . . . . . . . . . . . . .
2-25
No visual or audible tilt alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material Handling
Crane (M983)
. . . . . . . . . 2-76
Oil in reservoir is foamy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic
. . . . . . . . . . . . . . 2-22
Oil leaking at converter housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transmission
. . . . . . . . . . . 2-16
One or more hydraulic circuits inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic . . . . . . . . . . . . . . 2-22
Outrigger beam will not extend or retract . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985)
2-85
. . .
Outrigger leg will not extend or retract
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985) . . . 2-86
Outrigger leg will not support load
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, (M985) . . 2-86
Outrigger operation slow or erratic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985) . . . 2-85
Outrigger will not extend or retract
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material Handling
Crane (M983)
. . . . . . . . . 2-55
Outrigger will not support load or creeps upward
. . . . . . . . . . . . . . . . . . . . . Material Handling
Crane (M983)
. . . . . . . . . 2-57
Overload protection circuit malfunction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M983)
. . . . . . . . . 2-71
Remote control function rod does not respond to controller
. . . . . . . . . . . . Material Handling
Crane (M983)
. . . . . . . . . 2-64
Remote controller operating, but crane will not move . . . . . . . . . . . . . . . . . Material Handling
Crane (M983)
. . . . . . . . . 2-78
Remote controller will not operate crane
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Handling
Crane (M977, M985) . . . 2-126.2
Remote controller will not operate in one function
. . . . . . . . . . . . . . . . . . . . Material Handling
Crane (M977, M985) . . . 2-126.2
Rough shifting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transmission . . . . . . . . . . . 2-19
Self-recovery winch does not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Self-Recovery Winch
. . . . 2-26
Steering is not smooth (seizing, binding) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering. . . . . . . . . . . . . . . . 2-24
Steering wheel turns restricted
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steering . . . . . . . . . . . . . . . .
2-23
Swing motor continues to operate when swing control is in neutral
position
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material Handling
Crane (M977, M985) . . . 2-124
2-8
Change 3
