| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-221-14-3
6-28.2. CRANKSHAFT - MAINTENANCE INSTRUCTIONS.
a.
The crankshaft is one-piece steel forging, heat-treated to ensure strength and durability. The main and
connecting rod bearing journal surfaces and fillers on all crankshafts are induction hardened.
b.
Complete static and dynamic balance of the crankshaft has been achieved by counterweights incorporated into
the crankshaft.
c.
The crankshaft end play is controlled by thrustwashers located at the rear main bearing cap of the engine. Full
pressure lubrication to all connecting rod and main bearings is provided by drilled passages within the crankshaft and
cylinder block.
d.
Two dowels and six tapped holes are provided in the rear end of the crankshaft for locating and attaching the
flywheel. One hole is unequally spaced so that the flywheel can be attached in only one position.
This task covers:
a. Removal
b. Inspection
c.
Installation
INITIAL SETUP
Test Equipment
References
NONE
NONE
Equipment
Special Tools
Condition
Condition Description
Paragraph
Chain hoist
Gear puller
Power Unit Removal
6-42
Crankshaft Pulley Removal
Tools
Oil Pan Removal
5-15
Cylinder Head Removal
General Mechanic's Tool Kit
6-40
Flywheel and Housing Removal
NSN 5180-00-629-9783
Oil Inlet Pipe Removal
Material/Parts
Special Environmental Conditions
NONE
Do not drain oil into bilges. Use
oil/water separation and recovery
system to collect drained oil.
Personnel Required
General Safety Instructions
1
NONE
6-499
|
||
|
||
