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TM 5-4320-313-14
6-6. CRANKSHAFT.
This task consists of:
a. Removal
b. Cleaning
c. Inspection
d. Installation
INITIAL SETUP:
Tools Required:
Tool Kit, General Mechanics (item 1, appendix B)
Shop Set, Automotive Repair, Field Maintenance, Basic (item 3, appendix B)
Crankshaft Removing Device 666 327 01 (item 11, appendix B)
Impact Mandrel, Ball Hub 666 067 00 (item 10, appendix B)
Mounting Device, Crankshaft End Play 666 074 00 (item 16, appendix B)
Materials Required:
Grease (item 5, appendix E)
Rags, Wiping (item 8, appendix E)
Solvent, Cleaning (item 10, appendix E)
General Safety Instructions:
Well-ventilated area required.
Equipment Conditions:
Connecting rod removed in accordance with paragraph 6-2.
Timing cover removed in accordance with paragraph 6-3.
Oil seal (flywheel side) removed in accordance with paragraph 6-5.
Governor removed in accordance with paragraph 6-4.
a. Removal. (Refer to figure 6-12).
(1) Remove disc (1), shell (2), disc (3), four balls (4), hub (5), and spacer (6) from crankshaft.
WARNING
Wear asbestos gloves to avoid serious burns when handling heated parts.
(2) Using an oven, heat crankcase to 1750 to 2100F (800 to 1000C).
(3) Using crankshaft removing device, push crankshaft (7) and bearing outer race (8) from crankcase. Remove key
(9).
(4) Remove circlip (10). Use a arbor press, press bearing outer race (11) from crankcase.
(5) Using an oven heat crankshaft to 1600 to 1750F (700 to 800C), remove bearing inner races (12 and 13) from
crankshaft, tapping lightly with a brass drift.
6-20
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