Disassembly - TM-55-1930-208-240227

TM 55-1930-208-24

3-54. PUMP, TRANSFER - Continued.

b. Disassembly - Continued.

(9) Remove two of the head retaining screws (30) and screw them into th holes near the outer rim of head

(31). Insert an eye bolt in the top of the head and use a hoist for support. Remove remaining screws and

tighten the two in the tapped holes until the head separates from the casing. Remove the head being

careful not to scrape or nick the shaft. Remove two screws (32) and two washers (33).

(10) Remove two O-rings (34) and two discs (35). If discs are stuck in the casing, they may be forced out by

running screws down in the threaded holes provided near the outside diameter.

(11) Remove key (36) and rotor and shaft (37). Remove vanes (38) and push rods (39) from the rotor.

(12) Remove gasket (40), plug (41), and liner (42) from the casing (43).

c. Cleaning and Inspection.

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 parts thoroughly with cleaning solvent (item 4, Appendix C). Wash out the seal and bearing

recess.

(2) Inspect all parts for scrapes, nicks, or any damage. Remove any burrs and smooth all rough spots on the

rotor and liner with a file.

d. Repair. Repair is limited to replacing defective parts.

e. Reassembly.

NOTE

Use eye bolts with the aid of a hoist to install the liner, rotor and shaft, disc, and

head assemblies. Tapped holes have been provided in each part for this

purpose.

(1) Refer to figure 3-112. With the aid of a little grease, install liner (42) in casing (43). The keyway in the top

of the liner should be lined up with the pin in the top of the casing. Install plug (41) nd gasket (40) on the

casing.

(2) Install push rods (39), vanes (38), and key (36) on rotor and shaft (37).

3-190