TM
9-2320-279-10-2
INTRODUCTION (CONT)
Page
Para
Contents
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Maintenance Forms and Records. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Equipment Improvement Report and Maintenance Digest
(EIR MD) and Equipment Improvement Report and
Maintenance Summary (EIR MS). . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
Hand Receipt (HR) Manuals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
Submitting Quality Deficiency Reports (QDR) . . . . . . . . . . . . . . . . 1-23
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
Metric System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
Reference Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
E q u i p m e n t Characteristics, Capabilities, and Features . . . . . . . . . 1-27
L o c a t i o n and Description of Major Components . . . . . . . . . . . . . . 1-28
Differences Between Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29
Equipment Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
Systems Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32
Air System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
Main Hydraulic System (M984E1) . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
Power Steering Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . 1-35
Section
I.
GENERAL
INFORMATION
Vehicle Model
1-19. SCOPE. This volume is used for operation and operator-performed
maintenance of the 95,000-lb (43 000 kg) GVWR, 8x8, M984E1 wrecker-recovery
vehicle. Refer to Volume 1 of this manual for description of all other models of
the M977 series vehicles.
Model
Description
M984E1 Wrecker vehicle with 95,000-lb (43 000 kg) GVWR and l14,000-lb
( 5 1 700 kg) GCWR that can be increased to 155,000-lb (70 370 kg)
GCWR under certain conditions. Vehicle is equipped with material
h a n d l i n g crane with 6,000-lb (2 722 kg) load capacity at 18.2 ft (5.5 m)
boom radius 60,000-lb (27 240 kg) recovery winch, and equipment