Taylor-Dunn B0-248-TT, Operation, T Roubleshooting And Replacement Parts Manual, Page: 63 / 204

Maintenance, Service, and Repair
Brakes
Page 11
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.
The pistons are very fragile. If the piston is damaged it must be
replaced. Failure to replace a damaged piston could lead to brake
failure and result in property damage and/or severe bodily injury.
REPAIR THE BRAKE BODY
Hydraulic brake system components must be kept clean. Make sure
your work area is free from dirt and debris and will contain any brake
fluid spills. Any debris or contaminates left in the brake system could
lead to brake failure and result in property damage and/or severe
bodily injury.
Do not ingest brake fluid or allow contact with skin or eyes. Always
wear protective clothing and a face shield when working with or
around brake fluid.
SKIN CONTACT
Flush area immediately with water for several minutes. If a rash or
skin irritation develops, get medical attention immediately.
EYE CONTACT
Immediately flush the eye with water for 15 minutes and call
physician.
INGESTION
Get medical attention immediately.
6. Remove the brake body from the vehicle.
NOTE: Refer to
Replace the Brake Body Assembly (front or rear)
section for information on
removing the brake body.
7. Pull the pistons out of the brake body.
8. Remove the piston rubber boot.
9. Remove the piston o-ring from inside of the brake body.
10. Inspect and replace parts as required.
11. Lubricate the brake parts with clean DOT 5 brake fluid from a sealed container.
On systems to be filled with DOT 3 brake fluid, DOT 5 fluid is used for
lubriacation only . See Brake Fluid Specification on page 1 of this section.