Replace belts on high pressure pump and motor assembly.

TM 55-1905-223-24-7

(5) Remove oil filler plug (1), and allow oil and any sediment to drain from pump.

(6) Remove tubing from oil drain metallic pipe (10).

(7) Replace pipe cap (9) on oil drain metallic pipe (10) securely.

(8) Insert funnel into oil filler plug (1) opening on pump housing.

(9) Add one quart oil to pump.

(10) Remove funnel from oil filler plug opening and replace oil filler plug (1).

(11) Wipe any oil spillage with rags.

(12) Remove oil filler plug (1) and check oil level on dipstick (should be even with line on dipstick). Add more oil

if necessary.

(13) Replace oil filler plug (1) securely.

c. Replace belts on high pressure pump and motor assembly.

(1) On left side of RO desalinator unit, remove ten machine screws (2, FIGURE 2-8) and remove louvered

panel (1) from unit.

(2) On main frame assembly, remove eleven machine screws (4, FIGURE 2-11) from angle brackets (2, 3 and

5) and remove pulley guard (1) and angle brackets (2 and 3) from main frame assembly.

(3) Loosen four hexagon nuts (7, FIGURE 2-10) on adjustable pump base that pump rests on.

(4) Turn tension adjustment (4) counterclockwise until slots contact threaded studs.

(5) Hand turn pulleys (8 and 11), working first V-belt (6) out of pulley groove and remove V-belt (6).

(6) Hand turn pulleys (8 and 11), working second V-belt (5) out of pulley groove and remove V-belt (5).

(7) Position new V-belt (5) in grooves of far pulleys (8 and 11) and, while hand turning pulleys, work V-belt (5)

into pulley grooves.

(8) Position new V-belt (6) in grooves of near pulleys (8 and 11) and, while hand turning pulleys, work V-belt (6)

into pulley grooves.

(9) Turn tension adjustment (4) clockwise until V-belts (5 and 6) have tension.

(10) Secure adjustable pump base by securing four hexagon nuts (7).

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