TM 10-3930-675-10
0006 00-3
OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED
0006 00
TOWING - CONTINUED
NOTE
Master battery switch and ignition of towed RTCH must be on to power computer to maintain correct wheel
alinement during towing.
11. Turn on ignition and master battery switch of vehicle being towed. Place vehicle in two-wheel steer.
12. Remove and secure wheel chocks. Ensure that all personnel and equipment are clear. Proceed to tow with caution.
EMERGENCY LOWERING OF THE BOOM
NOTE
• Use the following procedures to lower the boom if the engine fails during RTCH operation.
• Boom movement during emergency lowering will be slow. This is normal.
1.
Lower Boom (Retracted and Unloaded).
a.
Loosen emergency lowering valve jamnuts on both left and right lift cylinder locking valves.
b.
Turn both left and right emergency lowering valve screws counterclockwise three turns.
c.
Turn left emergency lowering valve screw an additional three counterclockwise turns.
d.
Turn right emergency lowering valve screw an additional three counterclockwise turns.
e.
When boom is full lowered, close both left and right emergency lowering valve screws by turning them clockwise
until tight. Tighten both left and right jamnuts.
LOCKING
VALVE
VALVE
SCREW
JAMNUT
