Taylor-Dunn AMB Ambulance, Operation, T Roubleshooting And Replacement Parts Manual

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Maintenance, Service, and Repair
Brakes Page 8
Wheel Park Brake, B 2-10
The parking brake is actuated through a pin in the center of
the rear left and right brake body on the rear axles.
1. Make sure the key-switch is in the “OFF” position, then remove
the key.
2. Place the forward-reverse switch in the center “OFF” position.
3. Set the park brake.
4. Place blocks under the front wheels to prevent vehicle movement.
5. Disconnect the main positive and negative cables at the batteries.
6. Release the park brake.
7. Loosen the jam nuts on the Primary Adjustment Rod.
8. Tighten the Primary Adjustment Rod until it is difficult to rotate the brake arm clevis pin on both
wheels.
9. Loosen the Primary adjustment rod one to two turns so that both wheels rotate whith no brake
drag.
The threaded rod must be
screwed into the clevis with at
least 3/8” of threads. Less than
3/8” of threads in a clevis could
result in brake failure causing
severe bodily injury and/or
property damage.
Cutaway of Clevis and Threaded Rod
3/8 Min.
NOTE: If there is no adjustment left in the Primary Adjustment Rod, then
the Brake Arm Extension must be rotated to engage the next hole
in the arm.
10. Tighten the jam nuts on the park brake linkage.
11. Set the park brake
12. Reconnect the main positive and negative cables at the batteries.
13. Remove blocks from behind the wheels.
14. Release the park brake and test drive the vehicle.