Clutch pump

CLUTCH PUMP

Refer to the instructions for the 1929 TD engine.

CLUTCH PEDAL

Refer to the instructions for the 1929 TD engine.

CLUTCH CONTROL CYLINDER

REMOVAL/REFITTING

• Remove the battery
• Remove the relay from the battery support and set them to one side with their wirings to prevent them from hindering subsequent operations.

1. Slacken the fastening screws, then remove the battery support after removing the rear cable support bracket from it.

• Using a suitable syringe, empty the brake-clutch fluid reservoir.

Move away the injection wiring to gain access to the clutch control cylinder.

1. Slacken the two screws fastening the clutch control cylinder.
2. Disconnect the fitting of the pump delivery pipe from the clutch control cylinder.
3. Remove the clutch control cylinder.

17 ÷ 19 Nm
1.7 ÷ 1.9 kgm

13 ÷ 16 Nm
1.3 ÷ 1.6 kgm

DIS-ASSEMBLY/RE-ASSEMBLY

1. Prise off the rubber boot and remove it together with the control prod.
2. Remove the piston from the cylinder body with its seals.
3. Remove the spring.
4. Only if necessary, remove the air relief screws.

WARNING
Always change the gaskets when re-assembling.

CHECKS AND INSPECTIONS

• Check the piston and the cylinder inner surface for scores or traces of rust and change the cylinder assembly if necessary.
• Check that the spring is intact.
• Check that the air relief hole is not clogged.