TM 5-2420-224-20-2
CRANE OUTER BOOM CYLINDER REPLACEMENT (CONT)
C A U T I O N
Cap or plug all ports and ends
of hoses and tubes to prevent
contamination of hydraulic oil.
Failure to do so may result in
damage to equipment.
NOTE
Tag lines prior to disconnecting to
aid in connecting.
DISCONNECT two hydraulic HOSES (1).
INSTALL CAPS or PLUGS.
REMOVE capscrew (2), washer (3), and PIN
(4) from cylinder end (5).
REMOVE capscrew (6), washer (7), pin (8),
and outer boom CYLINDER (9) from rod end
(10).
REMOVE two FITTINGS (11) and two
packings (12). INSTALL CAPS or PLUGS.
DISCARD PACKINGS.
1.
REMOVE CAPS or PLUGS. INSTALL two
new packings (12) and two FITTINGS (11) in
outer boom cylinder (9).
2.
INSTALL rod END (10) of outer boom cylinder
(9), pin (8), washer (7), and capscrew (6).
3.
INSTALL cylinder END (5), pin (4), washer
(3), and capscrew (2).
4.
REMOVE CAPS or PLUGS. CONNECT two
hydraulic HOSES (1).
NOTE
Follow-on Maintenance:
Check rear hydraulic tank (LO 5-
2420-224-12).
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