Owner's manual

Model 644E Rev. 8/03

Operation

Step 8:

a. Depress the service brake pedal fully.

b. Disengage the parking brake switch.

c. With the range selector in (1) FIRST gear, move the travel select lever

to the (R) REVERSE position.

d. Release the service brake pedal to deactivate the Stabil-TRAK sys-

tem.

e. The Stabil-TRAK lock light should go OFF and the Stabil-TRAK slow

pivot light should come ON.

f. The front left tire should return to the ground while the vehicle travels in

reverse.

g. Depress the service brake pedal to stop the vehicle.

Step 9:

a. With the service brake pedal depressed and the boom angle at exactly

45°, move the range select lever to (3) THIRD gear.

b. Move the travel select lever to (F) FORWARD.

c. Release the service brake pedal to deactivate the Stabil-TRAK sys-

tem. The Stabil-TRAK lock light should go OFF and the Stabil-TRAK

slow pivot light should come ON.

d. Slowly drive the vehicle forward against the block to stop the vehicle

from moving forward.

e. With the front left tire against the block, frame sway the vehicle no

more than 5° to the left.

f. Check that the front left tire remains on the ground. It is normal for the

front left tire to raise slightly when swaying to the left, but the tire

should immediately lower when the frame sway function is stopped.

g. Frame sway the vehicle back to 0° and pause briefly.

h. Frame sway the vehicle no more than 5°

to the right.

i. Check that the front right tire remains on the ground. It is normal for

the front right tire to raise slightly when swaying to the right, but the tire

should immediately lower when the frame sway function is stopped.

j. Frame sway the vehicle back to 0°.

k. Depress the service brake pedal.

l. Shift the travel select lever to the (N) NEUTRAL DETENT position.

m. Lower the boom.

If steps 1 through 9 prove positive, the Stabil-TRAK system is functioning properly

and the vehicle can be returned to service. If any of these steps indicate that the

Stabil-TRAK system is not functioning properly, contact your local OmniQuip

Authorized Service Center (ASC) immediately to repair the system.