4-414 Change 3
High pressure is present in the M9
hydraulic system. Do not disconnect any
hydraulic system component unless
hydraulic system pressure has been
relieved. After hydraulic pressure has
been relieved, wait at least 4 minuites
before disconnecting any hose or fitting.
Failure to comply may result in severe
injury to personnel.
Cap or plug all ports and ends of hoses
and tubes to prevent contamination of
hydraulic oil. Failure to comply may
result in damage to equipment.
All hydraulic hose assemblies are replaced
the same way. This task covers
replacement of a typical hydraulic hose
Number of tiedown straps and clamps
may vary for each hose assembly.
Use two wrenches when disconnecting
hoses from fittings.
Have suitable container ready to catch
A Disconnect hoses (1), (2) and (3) from
elbows (4), (5) and adapter (6) at winch
B Remove tiedown straps (8) from hoses
(1), (2) and (3). Discard tiedown straps
Three hydraulic hose assemblies run
through clamp. Note location of each
hose assembly in clamp prior to removal
C Remove self-locking screw (9), washer
(10), retaining strap (11), and hose bracket
(12) from bracket (13). Discard self-locking
D Remove hoses (1) and (2) from elbows
(14) and (15) at directional control valve