INSTALLATION - continued - TM-5-4210-224-14-P0521

TM 5-4210-224-14&P

6-17. CRANKSHAFT AND MAIN BEARING MAINTENANCE. (Continued)

n. Install the number 3 (center) main bearing cap

NOTE

and bolts.

Measure connecting rod bearing

o. Torque bolts initially to 10 ft-lbs (14 N ).

clearance.

If the clearance

p. Tap the end of the crankshaft first rearward then

exceeds 0. 0018 0. 0039 inch,

forward with a lead hammer. This will line up

select a new, correct size bearing

the rear main bearing and crankshaft thrust

and remeasure clearance.

surfaces.

q. Tighten remaining main bearing cap bolts to

v. Install the connecting rod cap nuts and torque to

specifications as listed in steps k, and 1.

48 ft-lbs (65 N ).

With the crankshaft forced forward, measure

w. Measure the connecting rod side cleance by

crankshaft end play at the front end of the

using a feeler gauge between the connecting

number 3 main bearing with a feeler gauge.

rod and crankshaft. Correct clearance is 0.

The proper clearance is 0. 003937 0. 0098425

0067 0. 0248 inch (0. 170.63 mm).

inch (0.10 - 0.25 mm).

x. Install connecting rod caps and piston (paragraph

NOTE

6-16).

Burrs on the bearing cap, foreign

matter between the insert and the

y. Install oil pan (paragraph 4-114).

block or the bearing cap, or faulty

insert could cause a lack of

z. Install timing chain (paragraph 6-12).

clearance at the bearing.

aa. Install front covers (paragraph 6-11).

s. Turn the crankshaft to check for binding. If the

crankshaft does not turn freely, loosen the main

bb. Install torsional damper (paragraph 6-10).

bearing cap bolts, one at a time, until the tight

bearing is located.

cc. Install glow plugs (paragraph 4-108).

t. Install the connecting rod earing inserts.

NOTE

dd. Install dipstick and tube (paragraph 4-113).

Used bearing inserts must be

installed in their original locations.

ee. Install engine (paragraph 5-8).

Install connecting rods to the crankshaft by

pulling the connecting rods down, making sure

the connecting rod bearing insert stays in place.

6-29