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Table 3-3. Main Bearing Shell Dimensional Data
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TM-10-3930-634-34 Truck Lift Fork; Diesel Engine Pneumatic Tired Wheels Rough Terrain 6 000 Lb. Capacity 24 Load Center Anthony Model MIT 6-2 Manual
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Cylinder liner
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(7) Check the crankshaft end play by moving the
(2) Install new or original upper bearing shells af-
crankshaft toward the gage (fig. 3-140) with a pry bar.
ter inspection by rolling into place in the bearing sup-
Keep a constant pressure on the pry bar and set the
port.
dial indicator to zero. Then, remove and insert the
NOTE
pray bar on the other side of the bearing cap. Force the
Start the end of shell having no tang around
crankshaft in the opposite direction and note the
the crankshaft journal first, so that when
amount of end play on th dial. The end play should be
shell is in place the tang will fit into groove in
0.004 to 0.011 inch with new parts or a maximum of
shell support.
0.018 inch with used parts. Insufficient end play can
(3) Install the upper thrust washers (fig. 3-131).
be the result of a misalined rear main bearing or a burr
(4) Position the lower bearing shell and the lower
or dirt on the inner face of one or more of the thrust
thrust washer halfs (on rear bearing cap only) in bear-
washers.
ing caps (fig. 3-131) and install over crankshaft rear
(8) Install connecting rods to the crankshaft (para
bearing journal.
3-34).
(5) Position lower bearing shells in remaining
(9) Install rocker arms (para 3-23).
bearing caps and position on crankshaft journals.
(10) Install fuel pipes (para 3-18).
(6) Secure bearing caps as instructed in (b) (6) and
(11) Install rocker arm covers (para 3-16).
(7) above.
(12) Install flywheel housing (para 3-33).
(13) Install lower front cover (para 3-31).
NOTE
(14) Install oil inlet tube (para 3-27) and oil pan
If the main bearings have been installed prop-
erly, the crankshaft will turn freely.
(15) Install the engine (para 2-5).
(7) Check crankshaft end play (para h (7) above).
i. Installation of Main Bearings with Crankshaft In:
(8) Install the oil inlet tube and screen (para
stalled.
3-27).
(1) Apply clean engine oil to all crankshaft jour-
(9) Install the oil pan (para 3-26).
nals and install the main bearing shells (one at a time)
(10) Install engine (para 2-5).
in reverse of removal.

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