Zanotti un0 010, Workshop Manual

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108
Diesel Engine
4.4 Propeller Supply System
Speed Solenoid
Engine RPM Regulation
un0o engine run at 2 different speeds according driver setup or unit requirements. Both speed are adjustable by regulating
screws that limit accelerator lever stroke
(a)
Open unit door.
(b)
Check speed symbol on cab command.
Low Speed or High Speed
(c)
Measure engine speed with an RPM meter.
(d)
Adjust speed by proper regu- lating screw 10mm
wrench.
CAUTION! Accelerator lever should touch actual
speed regulating screw.
Speed Solenoid Replacement
(a)
Disconnect units from electrical supplies (battery and main).
(b)
Open unit door.
(c)
Disconnect speed solenoid plug.
(d)
Unscrew speed solenoid from support 8mm
wrench.
(e)
Replace solenoid and restore connection.