TM-9-2320-279-34-3
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 3 OF 3
TM-9-2320-279-34-3 - Page 457 of 717
TM 9-2320-279-34-3
CHAPTER 22
M978 TANKER MAINTENANCE PROCEDURES
Contents
Para
General .
.......................................................................
22-1
General Maintenance Instructions
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22-2
Primary Pump Hydraulic Motor Repair.
..........................................
22-3
Primary Pump Repair
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22-4
AUXILIARY PUMP Repair .
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22-5
Flowmeter Register Removal/Installation
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22-6
Flowmeter Removal/Installation
.................................................
22-7
Flowmeter Repair .
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22-8
Air Eliminator Repair
...........................................................
22-9
V1 Emergency Valve Repair
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22-10
V2 Bottom Load Adapter Repair
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22-11
V3 Suction Line Valve and N17 Gravity Valve Repair
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22-12
V4 Bypass/Pressure Relief Valve Repair
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22-13
V5 Air Actuated Flow Valve and Actuator Repair
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22-14
V6 FUEL/DEFUEL Valve Repair
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22-15
V7/V8 Reel Valve Repair
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22-16
V10 Bottom Load Valve Repair
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22-17
V11 Flow Regulating Valve Repair
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22-18
V12 Bottom Load Precheck Valve and Sampling Probe Valve Repair .
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22-19
V13 Vent Valve Repair
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22-20
V14 Pilot Valve Repair
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22-21
V18 Bulk Delivery Valve Repair
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22-22
V19 Jet Level Sensor Repair
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22-23
Fuel Service Nozzle Repair
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22-24
Manhole Cover Repair
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22-25
Section I. INTRODUCTION
Page
22-1
22-2
22-10
22-17
22-25
22-31
22-33
22-35
22-44
22-47
22-53
22-55
22-58
22-68
22-76
22-79
22-82
22-87
22-90
22-94
22-97
22-99
22-102
22-105
22-108
22-1.
GENERAL.
This chapter contains maintenance instructions for removing, repairing, and installing
the M978 tanker fuel-handling components at the direct support and general support maintenance levels.
Major components covered in this chapter include:
pump, pump motor, and auxiliary pump
flowmeter
air eliminator
valves
fuel service nozzle
The subassemblies and parts which must be removed before the fuel-handling components can be removed or
repaired are referenced to other paragraphs or chapters of this manual or TM 9-2320-279-20.
Change 3
22-1
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