CONNECTING RODS AND BEARINGS REPLACEMENT - continued

TM 10-3930-673-34

b. Cleaning.

TR01634

WARNING

Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only

with effective chip guarding and personal protective equipment (goggles/shield, gloves,

etc.).

(1)

Wash connecting rods (5) in a strong solution of laundry detergent and hot water.

(2)

Rinse connecting rods (5) in fresh, clean water and wipe dry using wiping rags.

c. Inspection.

TR01635

(1)

Visually inspect connecting rods (5) for damage or obvious wear.

(2)

Check I-beam section of connecting rods (5) for dents or other damage. Any damage in

this area can cause stress which will lead to breakage.

(3)

Measure I.D. of piston pin bore in connecting rod (5), at four points as shown, to check

for wear. Take average of all readings. Average reading must not exceed range from

1.5769 - 1.5784 in. (40.05 - 40.09 mm).

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