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TM 5-2420-222-34
Section IV. GENERAL MAINTENANCE INSTRUCTIONS
Paragraph
Page
Number
Paragraph Title
Number
1-10
General.............................................................................................................................
1-4
1-11
Work Safety......................................................................................................................
1-5
1-12
Cleaning Instructions........................................................................................................
1-5
1-13
Preservation of Parts........................................................................................................
1-6
1-14
Painting.............................................................................................................................
1-6
1-15
Inspection Instructions......................................................................................................
1-6
1-16
Bearing Clearance Gage..................................................................................................
1-7
1-17
Service Replacement Kits ................................................................................................
1-8
1-18
Tagging Parts ...................................................................................................................
1-8
1-19
Soldering ..........................................................................................................................
1-9
1-20
Heat Shrink Tubing ..........................................................................................................
1-9
1-21
Wire Terminal Lug and Connector Replacement .............................................................
1-10
1-22
Wire Replacement............................................................................................................
1-10
1-23
Wiring Harness Connector Repair and Replacement ......................................................
1-11
1-24
Electrical Ground Points...................................................................................................
1-12
1-25
Lines and Ports ................................................................................................................
1-13
1-26
Antiseizing Tape...............................................................................................................
1-13
1-27
Tubes and Compression Fittings .....................................................................................
1-13
1-28
Lockwire ...........................................................................................................................
1-14
1-29
Fluid Disposal...................................................................................................................
1-15
1.10.
GENERAL.
a.
These general maintenance instructions contain general shop practices and specific methods you must be
familiar with to properly maintain your loader backhoe. You should read and understand these practices and methods
before performing any Direct Support and General Support Maintenance procedures.
b.
Before beginning a task, find out how much repair, modification, or replacement is needed to fix the
equipment. Sometimes the reason for equipment failure can be seen right away and complete teardown Is not necessary.
Disassemble equipment only as far as necessary to repair or replace damaged parts.
c.
In some cases, a part may be damaged by removal. If the part appears to be good, and other parts behind it
are not defective, leave it on and continue with the procedure. Here are a few simple rules:
(1)
Do not remove dowel pins or studs unless loose, bent, broken, or otherwise damaged.
(2)
Do not remove bearings or bushings unless damaged. If you need to remove them to access parts
behind, pull bearings and bushings out carefully.
(3)
Replace all gaskets, lockwashers, seals, cotter pins, and preformed packings.
d.
The following "Initial Setup" information applies to all procedures:
(1)
Resources are not listed unless they apply to the procedure.
(2)
"Personnel Required" Is listed only If more than one mechanic Is required to complete the task.
1-4
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