Cleaning. - TM-55-1930-208-240039

TM 55-1930-208-24

3-11. CRANKING MOTOR-Continued.

b. Cleaning.

WARNING

Do not breathe cleaning solvent P-D-680 vapors for long periods of time or use solvent near open flames.

To avoid illness, explosion, or fire, only use solvent in well-ventilated areas away from open flames.

(1) Clean all metal parts with cleaning solvent (item 4, Appendix C).

(2) Allow parts to dry.

c. Inspection.

(1) Visually check housing for cracks or other damage.

(2) Examine pinion gear for excessive worn or chipped teeth. Replace a damaged starting drive.

(3) Inspect port plate face, where barrel rides, to insure it is smooth and free of scoring. Slight scuff marks

can be removed by using fine grit emery cloth (item 7, Appendix C).

(4) Inspect ported face of barrel for scratching or scoring. Slight scuff marks can be removed by using fine grit

emery cloth (item 7, Appendix C).

(5) Inspect seal holder for cracks or damage.

d. Repair. Repair is limited to replacement of defective parts.

e. Reassembly.

(1) Refer to figure 3-9 and install plate (30) and secure with four drive screws (29).

(2) Using an arbor press, press bearings (28), (27), and (26) in their respective housings.

(3) Using an arbor press, press bearing (25) on shaft (21). Install spiral ring (24). Press shaft (21) into housing

(22).

NOTE

Recessed side of seal holder should be next to bearing (25).

(4)

Install seal holder (23) and seals (20) through (18). Using retaining ring pliers, install retaining ring (17).

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