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 TM 55-1905-223-24-10
CAUTION
o
Avoid contamination of the hydraulic system. Do not use rags, corks, or
similar items to plug the hydraulic pipes or ports. If available, use an
approved external fitting cap or plug. Otherwise, let hydraulic pipes and ports
drain into a container.
o
The hydraulic system is under pressure, be sure to vent system to relieve
pressure prior to accomplishing repairs.
INSPECTION
a. Inspect the hydraulic motor (5) for corrosion or other evidence of external damage.
b. Check hydraulic fittings for security, check lines for kinks or abrasion.
c. Check mounting hardware for security and evidence of brok en parts.
REMOVAL
a. Vent hydraulic system to relieve pressure.
b. Tag and disconnect electrical wiring to manual interlock switch (3).
c. Remove two machine screws and locknuts (1,2).
d. Remove the manual interlock switch (3).
e. Turn the shutoff valve (9) clockwise until it is closed.
f.
Place a suitable container under the hydraulic motor.
g. Locate the drain plug (10) in the bottom of the hydraulic motor (5).
h. Turn the drain plug counterclockwise until it is free of the hydraulic
motor.
i.
Allow hydraulic fluid to drain into the container.
j.
Tag, identify, disconnect and cap hydraulic pipes (4) from the hydraulic
motor.
k. Remove two nuts and lockwashers (6,7) securing the hydraulic motor to the
hydraulic failsafe brake (8).
l.
Remove the hydraulic motor (5) by pulling straight away from the failsafe
brake.
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