| Tweet |
Custom Search
|
|
|
||
 TM 55-1925-204-12
(4) Installation.
Install be reversing the
(d) Remove gasket (14), retaining ring
(17), strainer (16) and gasket (15).
procedures used in step (1), (a) through (c) above.
(e) Remove nuts (1), bolts (2), cover
g. Pressure Gage.
(21), and gasket (3), then remove diaphragm (4).
(1) Removal.
(f) Remove retainer (8), springs (7 and
(a) Close shutoff valve (fig. 4-18).
6), packing (5), then remove nuts, cover and spring from
(b) Unscrew pressure gage from the line.
valve (9).
(2) Cleaning and inspection.
(g) Remove packing (10), gaskets (11
(a) Wash the exterior of gage with a cloth
and 12), then remove valve (13). Discard all packing and
dampened in fuel oil and wipe dry.
gaskets.
(b) Inspect the gage for damage to case
(2) Cleaning, inspection, and repair.
or glass. Look for signs of damage to indicating dial.
(a) Clean all parts in clean fuel oil
Replace a defective pressure gage.
and wipe dry, except the sediment strainers should be
(3) Test.
blown clean with ships service air.
(a) Install gage in a line with a controlled
(b) Inspect springs for loss of tension, or
source of air.
breaks. Replace defective springs.
(b) Compare reading of dial with the
(c) Inspect valves for clogged condition
gage on controlled source. If variance is more than 5 psi,
or corrosion from moisture. Replace a defective valve.
replace the gage.
(d) Check
the
diaphragm
for
(4) Installation.
deterioration. Replace a defective diaphragm.
(a) Wipe threads of connection with a
(3) Reassembly. Assemble by reversing the
sealant such as white lead, then screw gage onto line.
procedures used in step (2) (a) through (d) above.
(b) Open the globe shutoff valve (fig. 4-
Replace all packings and gaskets with new at reassembly.
4-37
|
||
|
||
