Replace/Repair High Pressure Regulator Assembly. (FIGURE 2-27)

TM 55-1905-223-24-7

2-26. Replace/Repair High Pressure Regulator Assembly. (FIGURE 2-27)

This task covers: a. Adjustment, b. Removal, c. Repair, d. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

RO desalinator should be operating

for the ADJUST task. Refer to

TM 55-1905-223-10.

For DISASSEMBLY and ASSEMBLY tasks

RO desalinator should be shut down.

Materials/Parts

Refer to TM 55-1905-223-10.

Plastic dash panel removed.

Dial indicating pressure gage,

P/N 09G-001000-025

High pressure regulator assembly removed.

Nonmetallic hose P/N PVTBF075

Nonmetallic hose P/N PVTBF050

RO desalinator tagged "Out of Service,

High pressure hose assembly

Do Not Operate."

P/N 7392

Globe valve P/N SS-43F4

Fluid pressure regulating valve

P/N 03R-VM1300-005

Warning Tag, Item 11, Appendix C

ADJUSTMENT

a. Slowly turn adjustment nut (1) clockwise.

b. Watch high pressure gauge (3) for rise in pressure.

When gauge reads 800 psi, no further adjustment is required.

REMOVAL

a. Remove two hose clamps (10 and 15).

b. Remove two nonmetallic hoses (2 and 9).

Remove high pressure hose assembly (8) by disconnecting male adapter end from reducer coupling (7).

d. Unscrew dial indicating pressure gauge (3) and remove from pipe cross (6).

e. Remove reducer coupling (7) from pipe nipple (5).

2-87