TM-9-2320-279-34-2
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3
TM-9-2320-279-34-2 - Page 12 of 632
TM 9-2320-279-34-2
CHAPTER 10
AXLES NO. 3 AND NO. 4 MAINTENANCE
Contents
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Axle No.3 (Axle Models 480 and 580) Removal/Installation . . . . . . . . . . . . . . . . . . . . . .
Axle No.3 (Axle Mode1 650) Removal/Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Axle No.4 (Axle Models 480 and 580) Removal/Installation . . . . . . . . . . . . . . . . . . . . . .
Axle No.4 (Axle Model 650)Removal/Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Axle Housing Cover Assembly, Axle No.3 Removal/Repair/Installation . . . . . . . . . . . .
Axle Housing Cover, Axle No. 4 (Axle Models 580 and 650)
Removal/Repair/Installation (M984, M984E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Yoke and Oil Seal (Axle Models 480 and 580) Removal/Installation . . . . . . . . . . . . . . . .
Differential Carrier Cover, Axle No. 3 Removal/Repair/Installation. . . . . . . . . . . . . . . .
Deleted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Carrier, Axle No. 3 Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Carrier, Axle No. 3 (Axle Models 480 and 580) Repair . . . . . . . . . . . . . . . .
Differential Carrier, Axle No. 4 Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . .
.
Differential Carrier, Axle No. 4 (Axle Models 480 and 580) Repair . . . . . . . . . . . . . . . .
Section I.
INTRODUCTION
Para
10-1
10-2
10-2.1
10-3
10-3.1
10-4
10-5
10-6
10-7
10-8
10-9
10-10
10-11
10-12
Page
10-1
10-1
10-6
10-6.4
10-8
10-8.3
10-11
10-13
10-15
10-28
10-32
10-61
10-62
10-1. GENERAL.
This chapter contains maintenance instructions for removal, installation, and repair
of axles No. 3 and No. 4 at the direct support and general support maintenance levels. Subassemblies and
parts which must be removed before the axles and their components can be removed are referenced to
other paragraphs of this manual or in TM 9-2320-279-20.
Section Il. AXLE ASSEMBLIES
Axles No. 3 and No. 4 Maintenance Instructions
This task covers:
a. Removal
c. Follow-on Maintenance
b. Installation
INITIAL SETUP
Models
Equipment Condition
All
TM or Para
Condition Description
Test Equipment
LO 9-2320-279-12 Axle lubrication drained.
None
TM 9-2320-279-20 Propeller shafts removed
Special Tools
from front and rear of axle.
Para 10-6
Yokes loosened.
None
TM 9-2320-279-20 Brake shoes removed.
Supplies
TM 9-2320-279-20 Air chambers removed.
Oil, lubricating, Item 47, Appendix C
TM 9-2320-279-20 Slack adjusters removed.
Preventive, rust, Item 53, Appendix C
Para 14-4
Lateral torque rod removed.
TM 9-2320-279-20 Shock absorbers removed.
Personnel Required
TM 9-2320-279-20 Axle shafts removed.
MOS 63W, Wheel vehicle repairer (2)
Special Environmental Conditions
References
None
None
General Safety Instructions
Front wheels chocked.
Level of Maintenance
Direct Support
10-1
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