TM 1-1520-238-23
Change 1
7-17
7.4.
PRIMARY HYDRAULIC PUMP REMOVAL/INSTALLATION – continued
NOTE
Perform steps g. thru i. off helicopter if
removing pump for replacement. Go to
paragraph 7.4.4 if removing pump for re-
installation.
g. Remove nipples (2) and (12) from pump (3).
(1) Remove nipples (2) and (12).
(2) Remove and discard packings (21) and (22).
h. Remove check valve (6) from pump (3).
(1) Remove check valve (6).
(2) Remove and discard packing (23).
i. Remove reducer (9) from pump (3).
(1) Remove reducer (9). Use open end wrench.
(2) Remove and discard packing (24).
7.4.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
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24
2
22
12
3
6
M04-738-6
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