13.4.3 Setting the throttle valve
Fig. 118: Setting the throttle valve
(1) - Throttle valve 1
Proper setting
The feeding motion should allow for a rapid, but not abrupt movement.
To set the throttle valve:
1. Set throttle valves 1 and 2.
132
• Throttle valve 1: Lower the needle rib
• Throttle valve 2: Lift the needle rib
①
(2) - Throttle valve 2
Service Instructions 745-35-10 D - 00.0 - 10/2017
Positioning device
②