M978 Tanker Maintenance Procedures Instructions (Cont)
Remove four screws (22) and
Remove pedestal (4) from
Remove shaft seal (25), carbon
seal (26), and stationary
Remove four studs (8) from pump housing (9).
Adhesives, solvents, and sealing compounds can burn easily,
can give off harmful vapors, and are harmful to skin and
clothing. To avoid injury or death, keep away from open fire
and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap
Clean all metal parts, except pump motor, in dry cleaning solvent.
Inspect outside of pump housing for cracks, dents, and breaks.
Inspect impeller, vane plate, and inside of pump housing for visible wear, pitting, scratches,
burrs, nicks, cracks, and other visible damage.
Inspect impeller shaft for excessive wear, pitting, cracks, nicks, burrs, grooves, damaged threads,
and other visible damage.
Inspect seal spring for kinks, cracks, and other visible damage.
Inspect all threaded parts for damage.
Replace all damaged and visibly worn parts.
(1) Install four studs (1) in pump housing (2).