TM 10-4320-307-24
4-17
CRANKSHAFT ASSEMBLY REPLACE/REPAIR (CONT)
REMOVAL:
1.
Remove rear crankshaft seal assembly as follows:
a.
Remove eight capscrews (1) and washers (2) that
secure rear cover (3) to crankshaft seal assembly.
b
Remove rear cover (3) and gasket (4) from
cylinder block (5).
c.
Remove rear crankshaft seal (6) from rear cover (3).
d.
Discard all oil seals.
Use lifting device and slings of ad-
equate capacity to lift crankshaft.
Use of a lifting device not rated for this
weight may result in damage to
components or injury to personnel.
2.
Pass a 3/4-inch (19.05 mm) rope or fabric slings
through each of cylinder bores 1 and 6, around
crankshaft (7), and secure to suitable lifting
device, so that crankshaft will be supported
when bearing caps are removed.
3.
Remove seven bearing caps as follows:
a.
Check that each bearing cap (8) is
marked
with
a
match
mark
that
corresponds to a match mark on cylinder
block (5). Match marks must show
direction of match as well as location.
b.
If match marks are not present, mark each
bearing cap (8) and its corresponding
position on lower flange of cylinder block
(5) with the same identification number,
with number going in same direction on
each component.
c.
Starting with front and rear bearing caps
(8) and working toward center, remove
hexagon screws (9) and washers (10)
which secure bearing caps to cylinder block
(5).
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