Owner's manual

Model 644E Rev. 8/03

Operation

Accelerator Pedal

Pressing down the accelerator pedal (1) increases engine speed and the speed of

the hydraulic system. The pedal is spring-loaded to return to idle speed.

Service Brake Pedal

Pressing down the brake pedal (2) decreases the speed of the vehicle by applying

the service brakes located in the axles. In the event of engine power loss, the

service brake pedal can also be used for braking. It also activates and restricts the

rear axle to frame lock system when boom angles are less than 40° and locks the

rear axle to frame lock system when the boom angles are greater than 40°, as long

as the pedal is depressed.

Steering Wheel

Turning the steering wheel (3) to the left or right steers the vehicle in the

corresponding direction. Any one of the steering modes are selectable. Refer to

“Steering Mode Selector” on page 27.

Horn Button

Pressing the horn button (4) located in the center of the steering wheel sounds the

horn.

Operator Controls

OU0361