Annexure- 1
SERVICE INSTRUCTION
OIL IMMERSED DISC BRAKE
SPECIFICATION:
Size
Ø 178 x 133 mm ( ø 7” x 5.25”)
Brake Type
Multiplate – oil immersed
Friction disc type
Paper based friction bonded on to both sides metal plate
No off friction disc per brake.
4 no’s per brake
Intermediate plate
Pressed steel disc
No off intermediate plate per brake.
2 no’s per brake
DO’S
1. Ensure that lock plate at pull rod is crimped on to the screw after tightening.
2. Always use 0.8 mm thick gasket between housing and adaptor plate.
3. Ensure correct quantity of oil to recommended grade in the Transmission.
4. Friction discs should be soaked in the Fresh recommended oil for minimum one hour before fitment.
5. During replacement of Friction disc & Intermediate disc to be inspected and replaced as necessary.
6. Actuating disc return springs should be replaced whenever Friction / Intermediate discs are changed.
7. Adjust the brakes in wheels jacked up condition.
8. Ensure that friction discs splines are free in the mating shaft splines.
9. Check for Oil level once a week and check for any leakage in the lines.
10. Use only recommended Friction discs for replacement.
11. In cases of any one friction disc found worn below service limit in a brake assembly that friction disc alone can be
replaced with new one
DONT’S
1. Do not disturbed the manual swing arrester When the brakes are new, as it is already set.
2. Do not clean the friction disc with chemical agents / acids / diesel /water etc.
3. Do not Use the Brake in Engine OFF Condition – Towing application.
4. Never contaminate the Friction / Intermediate discs with Grease.
5. Do not Clean the Brake parts and Friction / Intermediate discs with water (Jet)
6. Never operate the tractor when the transmission oil is below recommended level.
SERVICE SCHEDULE
1. Transmission oil level to be inspected once a week.
2. At every brake overhauling lining wear to be inspected and replace if necessary.
3. Brake assembly to be overhauled once in 1000 hours.
4. Transmission oil to be replaced once in 1000 hours or 1 year whichever is earlier.
5. Inspect the pedal linkages and cross link bushes and replace at every service.
6. Activation disc return springs should be replaced once in 1000 hours of operation.
BRAKE ADJUSTMENT PROCEDURE:
1. Adjustment of brake is made by altering the length of the pull rod at operating Lever.
2. Jack up the rear wheels clear off the ground.
3. Move the gear selection lever in the Neutral position.
4. Release the parking brake and unlatch the pedals.
5. Measure the pedal travel of LH brake.
6. Adjust pedal travel to 60 – 65 mm.
7. Brake Adjustment has to be done independently LH & RH Brakes repeat the same to RH brake.
