Honda umc425 User Manual

6
CONTROLS
Engine Switch
The engine switch enables and disables the ignition system.
The engine switch must be in the ON position for the engine to run.
Moving the engine switch to the OFF position stops the engine.
Priming Pump
Pressing the priming pump feeds the gasoline from the fuel tank to the
carburetor. This procedure is necessary for starting the engine (see page
11).
Choke Lever
The choke lever opens and closes the choke valve in the carburetor.
The CLOSED position enriches the fuel mixture for starting a cold engine.
The OPEN position provides the correct fuel mixture for operation after
starting, and for restarting a warm engine.
OFF ON
ENGINE SWITCH
OFF
ON
PRIMING PUMP
CHOKE LEVER
CLOSED
OPEN
CLOSED
OPEN
Starter Grip
Pulling the starter grip operates the recoil starter to crank the engine for
starting.
Throttle Trigger
The throttle trigger controls engine speed.
Pulling and releasing the throttle trigger shown below makes the engine
run faster or slower.
The throttle trigger interlock must be depressed before the throttle
trigger can be activated.
By pulling the throttle trigger gradually, the engine speed increases
gradually.
Pull the throttle trigger more to accelerate the engine speed.
By releasing the throttle trigger, the engine speed decreases.
Throttle Trigger Interlock
The throttle trigger interlock makes the throttle trigger operable. The
throttle trigger cannot be pulled unless the throttle trigger interlock has
been pushed beforehand.
STARTER GRIP
THROTTLE TRIGGER
INTERLOCK
FAST
SLOW
THROTTLE TRIGGER
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Honda umc425 Specifications

General

Brand	Honda
Model	umc425
Category	Trimmer
Language	English