TUBE 4K8371 - Caterpillar

Illustration 1 g00901945
The brake release system is activated by a recovery bar attached to a recovery machine. The recovery bar depresses piston (1). When the piston is depressed, the parking brake will be disengaged.Perform the following steps to activate the brake release system and to recover a disabled machine.
Illustration 2 g00901998
Attachment of recovery bar to bucket (2) Recovery bar (3) Weld-on adapter plate (4) Bucket lower lip (5) Bolts
Attach recovery bar (2) to the bucket of the recovery machine, as shown in the above illustration.Note: Some types of bucket hardware allow direct bolt-on fastening of the recovery bar to the bucket. For more information on attaching the recovery bar to the bucket, contact your Caterpillar dealer.
Position the recovery machine at the rear of the disabled machine.
Illustration 3 g00902000
Guide the recovery bar into the hitch of the disabled machine.
Lift and tilt back the bucket on the recovery machine until the recovery bar depresses the piston of the brake release cylinder. The parking brake on the disabled machine will be disengaged when the piston is fully depressed.
Once the brake release system is activated, the machines can roll freely.Personal injury or death could result when towing a disabled machine incorrectly.Ensure that the recovery machine is securely attached to the hitch with the brakes applied to prevent the machines from rolling unexpectedly. Keep all personnel clear of the disabled machine until it has been towed to a safe place and the wheels securely blocked.
Illustration 4 g00902004
Use the recovery machine to tow the disabled machine to a safe place. Follow all the precautionary steps outlined under the "Towing Information" section of this manual.
Block the wheels of the disabled machine prior to disconnecting the recovery machine and performing any service work.Brake Release with the Recovery Hook
If the disabled machine is in a stope or dangerous area, the recovery machine must be operated by remote control.The brake release system must only be activated by a tow line securely attached to the recovery machine. The tow line must be securely attached to the recovery hook of the disabled machine prior to activating the brake release system. Failure to securely attach the tow line may result in the disabled machine moving. Uncontrolled movement of the disabled machine can cause serious personal injury or death.When the disabled machine has been towed to a safe place, ensure that the machine is parked on level ground and the wheels are blocked securely. Be sure that the machine can not move before performing any service work on the machine.
Do not use this recovery device for towing other machines or equipment. Use of this hook may disengage the parking/secondary brake.Personal injury or death from crushing could result.Marked tow devices should be used to tow other machines or equipment.
Illustration 5 g01004861
Note: When towing other machines, attachments or equipment, only use towing points (1) at the rear of the machine.Note: The recovery hook brake release system will only operate when the engine is stopped.The brake release system is activated by a pulling force applied to recovery hook (2). When