Section IX. Repair of Flywheel Housing and Spacer Plate

TM 9-2815-213-34

Section VIII. Repair of Crankshaft Adapter

3-36. Cleaning

Refer to paragraph 2-5 for cleaning instruction

3-37. Inspection

Inspect adapter in accordance with instruction in

paragraph 2-6.

3-38. Repair

No repair procedures beyond those

specified

paragraph 2-7 are authorized for this part.

3-39. Installation

a. Refer to paragraph 2-1ll.i., and reverse pro-

cedures to install adapter.

b. Tighten capscrews in the sequence as shown in

Figure 3-20. Crankshaft adapter tightening sequence

figure 3-20.

Section IX. Repair of Flywheel Housing and Spacer Plate

3-40. Disassembly

NOTE

If a replacement housing is to be

(fig. B4)

installed replace dowels only if the

a. Using suitable arbor press remove oil seal (8).

housing will not line up within bore

b. Remove pipe plugs (6 and 17).

tolerance.

3-41. Cleaning

d. Install dial gage and holder (34, fig. B-28) as shown

Clean housing and spacer plate in accordance with

in figure 321, and check crankshaft flange concentricity

instructions contained in paragraph 2-6

as follows:

(1) Place chalk marks at position A, A', B, and B'

3-42. Inspection

as shown in (fig. 3-21).

Inspect housing and spacer plate in accordance with

(2) Check reading at B and B'. Total runout is not

instructions in paragraph 2-6.

to exceed 0.010 inch.

(3) Check reading at A and A'. Total runout is not

3-43. Repair

to exceed 0.010 inch.

No repair procedures beyond those specified

(4) If flywheel housing bore is not within limits,

paragraph 2-7 are authorized for these units.

move as necessary to correct measurements.

CAUTION

3-44. Assembly

Oil seal bore run-out must also

a. Using a suitable arbor press, and with housing

remain within limit of 0.005-inch.

properly supported to prevent distortion install oil seal.

b. Install pipe plugs.

e. If both bores cannot be brought within limits, the

flywheel housing must be replaced.

3-45. Installation

f. After measurements are brought within limits,

(fig. B-4).

tighten capscrews alternately and evenly; make final

a. Install gasket (3) on block.

check after tightening. Tighten capscrews to 35 ft. lbs.

b. Install spacer plate (2) and gasket (1).

torque.

c. Install housing. Refer to paragraph 2-11 and

g. Check flywheel housing face as follows.

snug tighten capscrews.

(1) Move dial gage-(fig. 3-21) and attachment to

housing face.

(2) Using a pinch bar wedged between a main

bearing cap and crankshaft throw, take up crankshaft

end clearance.

3-12