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 TM 5-4210-233-14&P-1
4-59. PRIMING PUMP TUBING
This task covers:
a. Replace
b. Follow-on Maintenance
TOOLS REQUIRED
PERSONNEL REQUIRED: 2
Tool Kit, General Mechanics, Automotive
(Appendix B, Section 1II, Item 1)
EQUIPMENT CONDITION
Main Engine Shutdown (see para 2-12.)
MATERIALS/PARTS REQUIRED
APU Shutdown (see para 2-16 .)
Tie, cable plastic (Item 33, Appendix E)
Batteries Disconnected (see para 4-114 .)
Curbside Panel Removed (see para 4-26 .)
a. Replace.
NOTE
Priming pump tank is located behind access
panel on curbside operators panel.
(1) Disconnect tubing (1) from check valve (2)
and drain oil from tubing.
NOTE
In step 1, note orientation of orifice and tak
e
care to avoid loss of orifice and reducer.
(2) Disconnect tubing (1) from elbow (3).
(3) Position loosely attached, new tubing ties
next to old ties. Cut and remove old tubing
ties.
(4) Connect tubing (1) to elbow (3). Route tubing
(1) through new ties. Tighten ties one at a
time.
(5) Connect tubing (1) to check valve (2).
b. Follow-on Maintenance.
(1) Install curbside operator's panel (see para
(2) Connect batteries (see para 4-114).
(3 Operate priming pump and check for leaks
(see para 2-13).
4-278
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