Mark down micrometer settings. Adjust the four micrometer
heads fully clockwise to 0.
(5) Loosen Allen screw (6) and remove the four manual stroke adjustment cables (7) from the micrometer
(6) Remove bolts (9), washers (10), lockwashers (11), and nuts (12) from pump stand (14) and remove
(1) Clean dirt or rust from mounting stand.
(2) Prepare for painting, if needed.
(3) Clean dirt and corrosion from bolts, nuts, washers, and hose clamps.
(1) Inspect hardware, screws, bolts, and nuts for stripped threads, bent shanks, and damaged heads.
(2) Discard used hose clamps. (ARMY)
(3) Discard used plastic tubing. (ARMY)
(4) Inspect motor for dents, damaged shaft, or overheating.
(5) Inspect drive coupling (both halves) for chipped, broken, or missing teeth.
(6) Inspect pump heads for cracks, fractures, or missing parts.
(7) Inspect mounting stand for dents, cracks, or missing hardware.
(8) Inspect valve assembly for damage to mounting panel and valves.
f. Repair or Replace.
(1) Replace damaged nuts, bolts, screws, and washers.
(2) Replace plastic tubing and hose clamps.
(3) Replace damaged or unserviceable electric chemical feed pump motor.
(4) Replace damaged or worn drive coupling or pump head assembly.
(5) Replace damaged or unrepairable pump mounting stand assembly.
(6) Replace damaged or unserviceable chemical feed pump valve assembly.
(7) Send damaged or unserviceable components to Direct Support Maintenance.
- . (Figure 2-81) (ARMY)
(1) Place pump (7) on stand (8) and align mounting holes.
(2) Insert four bolts (6) through chemical-feed pump (7) and stand (8).
(3) Install four lockwashers (5) and four nuts (4) on bolts (6).
(4) Slide eight new hose clamps (3) over four hoses (2).
(5) Slide top of four new plastic tubes (2) over four nipples of pump (7).
(6) Tighten four hose clamps (3) over tube and nipple.
(7) Install the chemical feed pump motor (1) in accordance with paragraph 2-48.