TM 9-2320-289-34
3-34.
REAR MAIN SEAL REPLACEMENT (Con’t).
5.
Place end of upper rear main seal half
(6) in engine block (7) groove, using
oil
seal
installation
tool
as
a
“shoehorn, ”
and push upper rear
main seal half in until 0.5 in. (12.7
mm) extends from engine block
groove. Remove oil seal installation
tool .
CAUTION
Contact points of rear main seal
halves (5 and 6) should be at
4 o’clock and 10 o’clock positions
or
8 o’clock
and
2 o’clock
positions. Failure to follow this
caution may result in oil leakage
and damage to rear main seal.
6. Insert end of lower rear main seal half
(5) in open engine block (7) groove.
Place lower rear main seal half along
crankshaft (4) so that end touches
upper rear main seal half (6).
7.
Lightly coat rear main seal groove in rear main bearing cap (1) with pipe sealant.
WARNING
Avoid skin contact with anaerobic sealing compound. Immediately wash
off skin if contact is made, Failure to follow this warning may result in
injury to personnel.
CAUTION
Ensure that sealing compound (2) does not contact rear main seal groove,
rear main bearing, or oil relief slot (3). Failure to follow this caution may
result in damage to rear main seal and rear main bearing, or
contamination of engine oil.
8.
Apply a thin film of anaerobic sealing compound (2) to rear main bearing cap (1) in pattern
shown.
TA50713
3-112
