OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED
TOWING - CONTINUED
Master battery switch and ignition of towed RTCH must be ON to power computer and maintain cor-
rect wheel alignment during towing.
Turn on ignition and master battery switch of vehicle being towed. Place vehicle in 2-wheel steering mode (WP 0005
Remove and secure wheel chocks. Ensure that all personnel and equipment are clear. Proceed to tow with caution.
EMERGENCY LOWERING OF THE BOOM
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.
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 fully lowered, close both left and right emergency lowering valve screws by turning them clock-
wise until tight. Tighten both left and right jamnuts.