Carburetor BTS Repair
wc_tx000301gb.fm 20
6.3 Carburetor - dismantling/testing the control side
See Graphic: wc_gr001400
Dismantling the control side
6.3.1 Unscrew cover (1). Carefully remove the seal (2) and diaphragm (3)
from the control lever (4).
6.3.2 Remove control lever, spring (5) and inlet needle (6) from the
carburetor.
Testing the control membrane
6.3.1 After removing the control diaphragm, it must remain flat. The rim
around the stiffening plate (7) must be even. Faulty diaphragm must be
replaced immediately.
Testing the control unit
6.3.1 After removing the control diaphragm, remove the intake pin with valve
rocker and spring.
Note: If there is visible wear (arrows), the control unit must be
replaced.