Two wheel dynamometers

Two wheel dynamometers

IMPORTANT: Use a four wheel dynamometer for brake testing if possible.

• NOTE: ABS will not function on a two
• wheel dynamometer. The ABS light will
• illuminate during testing. Normal braking
• will be available.

If brake testing on a single rig is necessary it must be carried out with propeller shaft to the rear axle removed, AND neutral selected in BOTH main and transfer boxes.

If checking engine performance, the transfer box must be in high range and drive shaft to stationary axle removed.

TOWING

CAUTION: The vehicle has permanent four-wheel drive. The following towing

Greater pedal pressure will be required to apply

instructions must be adhered to:

the brakes, the steering system will require greater effort to turn the front road wheels.

Towing the vehicle on all four wheels with driver

The vehicle tow connection should be used only

operating steering and brakes.

in normal road conditions, ’snatch’ recovery should be avoided.

1. Turn ignition key turn to position ’1’ to release steering lock.

Suspended tow by breakdown vehicle

2. Select neutral in main gearbox and transfer gearbox.

being trailed.

lock mechanism for this purpose.

3. Secure tow rope, chain or cable to towing eye.
4. Release the parking brake.

• CAUTION: The brake servo and power
• assisted steering system will not be
• functional without the engine running.

• CAUTION: To prevent vehicle damage,
• front or rear propeller shaft MUST BE
• removed, dependent upon which axle is

1. Mark propeller shaft drive flanges at transfer gearbox and axles with identification lines to enable the propeller shaft to be refitted in its original position.
2. Remove the propeller shaft fixings, remove the shaft from the vehicle.
3. If the front axle is to be trailed turn ignition key to position ’1’ to release steering lock.

• CAUTION: The steering wheel and/or
• linkage must be secured in a straight
• ahead position. DO NOT use the steering