TM 9-4940-568-20
5-7
Manaul override mode should
only be used during crane
storage under other than usual
conditions ONLY. Failure to
comply may cause injury or
death to personnel.
(4) SYSTEM SHUTDOWN MANUAL
OVERRIDE VALVE. The manual
override valve is electrically operated
by the crane main power switch. It
prevents inadvertant operation of the
crane by blocking any flow of hydraulic
oil to the crane when the main power
switch (or the remote control
emergency shutdown switch) is OFF. It
incorporates a manual override in the
event of an electrical failure. In
emergency and special circumstances
ONLY, turn and pull out the button to
supply hydraulic oil to the crane control
valves.
MANUAL OVERRIDE
VALVE
MANUAL OVERRIDE GUARD
SHOWN REMOVED FOR
CLARITY