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 TM 55-1905-223-24-1
Section IV. REMARKS
MAIN PROPULSION ENGINE
REFERENCE
CODE
REMARKS
M
Replace the self-locking nuts and pry under the nuts with a pry bar until theO-
ring sealing area at the base of the element is removed from the block.
N
A twelve-point bolt must be used in top right corner of all plain covers. Use a
7/8-inch bolt on all plain covers unless a clamp or bracket is attached. Use 1-
inch for this. Use a 1-inch twelve- point bolt in all holes on covers with oil fill
dipstick on breather tube.
O
During removal, do not pry or pound on the damper. This may render the
damper ineffective or crack the gear housing cover.
P
Due to the weight and size of the cover and gear housing, care must be taken
during removal to avoid damage to the cover and possible injury to personnel.
Q
CAUTION: Spring tension is released when removing pressure relief valve
retaining pin.
R
The lubricating oil pump is dowel fit to the cylinder block on both sides.
S
Two men may be required when removing the camshafts to avoid possible
damage to the camshaft and bushing.
T
Upon removal, reinstallation of this piece of equipment, blank, cover, protect
all openings to prevent foreign matter from entering this system.
U
If the bearings are in satisfactory condition that will allow them to be used, be
sure to mark them for location. Care must be taken not to knock the upper
bearing loose from the connecting rod.
V
Rotate the crankshaft, if necessary, to facilitate its removal, if bearing shell
inspection is to be performed, tape the upper and lower shells together or
otherwise identify the shells as removed. Discard the bearing shells after
inspection as required.
B-19/(B-20 blank)
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