TM 5-2420-230-10
b. Backhoe Components.
Manually operating hydraulic components is
extremely dangerous. This procedure should
only be done when normal hydraulic
operations do not function and emergency
movement of the vehicle is required. Manual
operation of these valves can cause serious
injury or death.
You are within the backhoe crush zone when
operating the backhoe valves. Stay clear of
moving backhoe and ensure that no personnel
are within the backhoe crush zone when
operating the backhoe hydraulic valves.
Failure to comply will result in serious injury
or death to personnel.
NOTE
Perform Step (1) only if the stabilizers and/or
backhoe swing need to be manually stowed.
When removing backhoe valve guard, ensure
that position of valve setscrews does not
change.
(1)
Using ratchet and socket, remove four nuts (4)
and backhoe valve guard (5). Stow backhoe
valve guard and nuts in cab.
(2)
(3)
Locate backhoe hydraulic valve block (6) under backhoe top plate and identify hydraulic valve (7) that operates
component to be manually operated.
(4)
Use hydraulic valve manual override lever (3) to operate hydraulic valve (7) until vehicle component is stowed.
(5)
Repeat Steps (3) through (4) for any additional components to be manually operated.
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