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TM 9-2320-364-34-4
20-167
Materials/Parts
Oil, Lubricating (Item 36, Appendix B)
Rope, 3/4 in. thick, 20 ft (Item 48, Appendix B)
Solvent, Drycleaning (Item 68, Appendix B)
Screw (6) (Item 525, Appendix E)
This task covers:
a. Disassembly
b. Cleaning/Inspection
c. Assembly
INITIAL SETUP
Equipment Condition
Idler gear on clean work surface.
Tools and Special Tools
Tool Kit, General Mechanic’s
(Item 240, Appendix F)
Caps, Vise Jaw (Item 27, Appendix F)
Compressor Unit, Air (Item 35, Appendix F)
Gloves, Chemical Oil Protective
(Item 81, Appendix F)
Goggles, Industrial (Item 83, Appendix F)
Gun, Airblow (Item 86, Appendix F)
Plate Kit, Gear Bearing (Item 148, Appendix F)
Press, 60 Ton (Item 164, Appendix F)
Scale, Tension (Item 199, Appendix F)
Vise, Machinist’s (Item 248, Appendix F)
Wrench, Torque (0-175 lb-ft [0-237 N.m])
(Item 277, Appendix F)
20-58. IDLER GEAR REPAIR.
a.
Disassembly.
NOTE
Perform this task for DDEC II
engines only.
If DDEC III idler gear is
damaged, it must be replaced.
The idler gear bearing is a
matched assembly. Matchmark
components during disassembly
to ensure reassembly of the parts
in their original positions.
(1)
Remove and discard six screws (1) from
retainer (2).
(2)
Remove retainer (2) from idler gear (3).
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