TM 5-4310-379-14
5-23. Crankshaft Group.
This task covers:
Repair
INITIAL SETUP:
Tools
Equipment Condition
General Mechanic's Tool Kit
(NSN 5180-00-177-7033)
Engine assembly removed (para. 3-13).
Indicator, Dial (PN J 5959-01)
Flywheel housing removed (para. 4-20).
Micrometer Ball Attachment (PN J 4767)
Pistons and connecting rod removed (para. 5-20).
Caliper Set Micrometer (NSN 5120-00-554-7134)
Alternator removed (para. 3-33).
Wrench, Torque (NSN 5120-00-221-7983)
Materials/Parts
Crankshaft
Solvent, Dry Cleaning (Item 23, Appendix D)
Rags, Wiping (Item 21, Appendix D)
Repair.
(1)
Remove. (figure 5-29)
(a)
Remove bolt (1) and washer (2) from crankshaft (3).
(b)
Using puller, remove pulley (4) and key (5).
(c)
Remove eighteen bolts (6) and lockwashers (7) and remove front cover (8) and gasket (9).
(d)
Remove six bolts (10) and three bearing caps (11).
(e)
Remove three lower bearing shells (12) from the three bearing caps (11).
(f)
Remove two lower thrust washers (1 3) from bearing cap (11).
(g)
Remove crankshaft (3).
(h)
Remove two upper thrust washers (14) and three upper bearing shells (15).
(i)
Remove oil seal (16), oil seal spacer (17) and oil slinger (18).
(j)
Using gear puller, remove crankshaft gear (19) and key (20).
WARNING
Dry cleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and
property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive
heat. Flash point of solvent is 100-138°F (38-60°C).
Change 1 5-94
