Inspection and Repair. (AVIM)

TM55-1730-215-13 & P

e. Cleaning

(AVIM)

Perform solvent cleaning operations in an

approved cleaning cabinet or in a well-

ventilated area. Keep dry cleaning sol-

vent away from sparks and flames.

Avoid

prolonged breathing of vapors. Avoid eye

and repeated skin contact.

Use approved

personnel protective equipment (eye gog-

gles/face shield/gloves) when handling

solvents.

(1) Clean disassembled parts with dry cleaning solvent (item 4,

Appendix D), and dry with lint-free cloth.

f. Inspection and Repair. (AVIM)

(1) Inspect all seals, gaskets, and packings for evidence of

swelling, tearing, and pitting. Replace any parts found defective.

(2) Inspect valve spindle, pump plunger, and cylinder assembly for

nicks, pitting, and scoring of surfaces. Replace any parts found

defective.

(3) Inspect check ball seats for pitting and roughness. Resurface

these seats if required by applying lapping compound to the ball end of

the appropriate special reseating tool, Appendix E, and rotating back

and forth 90 degrees, occasionally lifting the tool off the seat.

Repeat this process until a smooth seat surface is obtained.

NOTE

After resurfacing of the check ball seats,

ensure that all abrasive compound is removed

prior to reassembling pump.

g. Reassembly (AVIM)

(1) Install cover gasket

(22) and pump cover (21), and

secure with six bolts (20) .

(2) Install two check ball

bearings (18 and 19), check ball

spring (17), plug gasket (16)

and valve plug (15) .

3-23