TM 1-1520-238-T-5
785
721.
UTILITY HYDRAULIC SYSTEM MAINTENANCE OPERATIONAL CHECK (cont)
721
Maintenance personnel must be verbally warned prior to moving the
collective or cyclic stick. Any control activated can result in sudden blade
movement that can sever or crush fingers or hands. If injury occurs, get
immediate medical help.
WARNING
To prevent damage to flight control system components, do not use force
if binding or roughness occurs while moving controls with hydraulic
power. Prior to continuing the procedure, clear controls of binding.
Failure to clear controls of binding many result in sheared pins in the
control axis.
CAUTION
NOTE
If suspected fault does not apply to flight control system, go to step ap.
Task
Result
n. Slowly push pilot cyclic stick (fig. 746) to
full forward position to retract longitudinal
servocylinder piston.
M68-028
Figure 746.
Pilot Cyclic Stick