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 TM 9-2350-238-20-1
2-171. MAINTENANCE OF SPADE HYDRAULIC CONTROL VALVES, LINES, AND
FITTINGS (CONT).
Remove tube fitting locknut (3) and
2
preformed packing (4) from elbow (2).
To avoid injury to personnel, do not
Disconnect nonmetallic hose assembly (5)
3
tighten or loosen hydraulic fittings
and remove elbow (2).
when system is pressurized.
Remove nonmetallic hose assembly (5)
4
Lower the boom to stowed position
from tube elbow (6).
before doing any maintenance on
hydraulic system.
Loosen tube fitting locknut (7) on tube
5
elbow (6).
Wipe up any spilled hydraulic fluid
to prevent injury to personnel.
Remove tube elbow (6), tube fitting locknut
6
(7), packing retainer (8), and preformed
packing (9) from port 1 of right hydraulic
cylinder assembly (10).
Install covers on open hydraulic ports,
tubes, and hoses immediately after
Disconnect metal tube assembly (11 ) from
7
disconnecting them to keep dirt out of
elbow (12).
hydraulic system.
Remove tube fitting locknut (13) and
8
1 Disconnect metal tube assembly (1) from
preformed packing (14) from elbow (12).
elbow (2).
2-980
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