TM-9-2320-279-10-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
OPERATOR’S MANUAL VOLUME 1 OF 2
DECEMBER 1998
CHANGE 5
TM-9-2320-279-10-1 - Page 592 of 773
TM 9-2320-279-10- 1
CHAPTER 3
MAINTENANCE INSTRUCTION S
Contents
Para
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Troubleshooting Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Troubleshooting Symptoms.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Maintenance Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Clean Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Change Wheel and Tire Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Clean Fuel Tank Strainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Service Air Cleaner Element. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Service Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Open/Close Battery Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Open/Close Engine Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
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Section I.
LUBRICATION INSTRUCTION S
3-1. LUBRICATION.
Refer to LO 9-2320-279-12 for materials and
instructions to be used for lubrication of M977 series vehicles covered in this
technical manual.
Section II. TROUBLESHOOTING PROCEDURE S
Troubleshooting Index
3-2. Troubleshooting lNTRODUCTION.
To quickly find the required
troubleshooting procedure, use the fault Symptom Index, Table 3-1. Components
and symptoms are listed alphabetically. Common malfunctions are listed
alphabetically under those components or system headings.
NOT E
Troubleshooting the M984E1 wrecker-recovery vehicle
steering system, heavy-duty winch, material handling
crane, and retrieval system will be found in Volume 2 of
this manual. Troubleshooting other M984E1 operating
systems is covered in this volume.
3-3. TROUBLESHOOTING SYMPTOMS.
Table 3-2 lists the most common
malfunctions found during operation or maintenance of the M977 series vehicle
or its components. Tests or inspections and corrective actions should be
performed in the order listed.
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.
3-1
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