REPLACEMENT - TM-55-1905-223-24-70062

TM 55-1905-223-24-7

REPLACEMENT

a. Install low pressure pump assembly (FIGURE 2-6) in watermaker unit aligning alternating current motor (12) frame

mounting holes with watermaker unit frame mounting holes.

b. Install four hexagon nuts (13), lockwashers (14), flatwashers (15), and machine bolts (16) and secure machine

bolts (16).

c. Supporting magnetic starter assembly, route alternating current motor power cord (6, FIGURE 2-7) to magnetic

starter assembly and assemble power cord strain relief (5) to power cord (6).

d. Route power cord (6) into magnetic starter assembly. Connect electrical leads at (4) low pressure pump, water

quality monitor switch, power input from MCC, and high pressure pump conduit box. Remove warning tags.

e. Dress power cord (6) inside of magnetic starter assembly and secure power cord strain relief (5).

f. Position access door (2) and secure with four machine screws (1).

g. Align access door (2) mounting holes under main frame cross member and install two machine screws (3) through

main frame cross member and secure magnetic starter assembly to cross member.

h. Connect outlet nonmetallic hose (9, FIGURE 2-6) and hose clamp (8) on pump housing (10) and secure hose

clamp (8).

i. Connect new inlet nonmetallic hose (2) and hose clamp (1) to inlet elbow hose adapter (19) and secure hose

clamp (1).

j. Connect other end of inlet nonmetallic hose (2) and hose clamp (3) to sediment strainer assembly and secure

hose clamp (3).

k. Open appropriate inlet feedwater gate valve (2, FIGURE 2-5, Sheet 1) for watermaker unit under maintenance.

l. Start up watermaker unit. Refer to TM 55-1905-223-10.

m. Observe low pressure pump assembly (FIGURE 2-6) for leaks. Repair as necessary.

n. Remove "Out of Service, Do Not Operate" tag.

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