Filter assemblies - Service - TM-55-4920-442-13-P0147

TM 55-4920-442-13 & P

3-78. Filter assemblies - Service

3-78

This task covers:

Service

INITIAL SETUP

Personnel Required:

MOS 67

WARNING

Test stand must be shut down and all pressure relieved before servicing filters.

Use volatile solvents only in a well ventilated area. Avoid prolonged contact

with the skin.

NOTE

It is not necessary to remove filters from test stand to change filter elements.

SERVICE - HIGH PESSURE FILTER

1. Change filter element(s). See para. 3-80 for disassembly of filter.

2. Clean head assembly and bowl with cleaning solvent PD-680, Type II and medium bristle brush.

3. If after replacing the filter element(s) the differential pressure warning light still activates, the differential pressure

switch may be defective. See para. 3-79 to test this switch.

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