TM 9-2320-279-10-2
MAINTENANCE INSTRUCTIONS (CONT)
P a r a Page
Contents
M984E1 Troubleshooting Introduction . . . . . . . . . . . . . . . . . . . . 3-12
M984E1 Troubleshooting Symptoms. . . . . . . . . . . . . . . . . . . . . . . . 3-13
Section IV. M984E1 TROUBLESHOOTING PROCEDURES
Troubleshooting Index
To quickly find
the required troubleshooting procedure, use the fault Symptom Index, Table 3-3.
Components and symptoms are listed alphabetically. Common malfunctions are
listed alphabetically under those components or system headings.
Table 3-4 lists the
most common malfunctions found during operation or maintenance of the
M984E1 wrecker-recovery vehicle steering, heavy-duty winch, material handling
crane, or retrieval system. Tests or inspections and corrective actions should be
performed in the order listed. Troubleshooting for all other vehicle systems is
found in Volume 1 of this manual.
This manual cannot list all malfunctions that may occur, nor all tests or
inspections, and corrective actions. If a malfunction is not listed, or is not
corrected by listed corrective actions, notify the supervisor.
M984E1
Symptom
Index
Troubleshooting
Procedure
Page
HEAVY-DUTY WINCH
Controls (remote or manual) sticking in engaged position . . . . . . . . . . . . . 3-9
Heavy-duty winch will not operate in manual control. . . . . . . . . . . . . . . . 3-8
Heavy-duty winch will not operate in remote control . . . . . . . . . . . . . . . . 3-6
Winch cable will not reel out or in or operates slowly in manual control. 3-8
Winch cable will not reel out or in or operates slowly in remote control. 3-7
MATERIAL HANDLING CRANE
Boom operation abnormal when telescoping in or out . . . . . . . . . . . . . . . . .3-11
Boom raises or lowers slowly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Boom will not raise or lower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Boom will not telescope in or out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Crane controls sticking in engaged position. . . . . . . . . . . . . . . . . . . . . . . . . 3-15
