YARDMAX YC0850 Operator's Manual page 12

OIL DRAIN HOSE
Running the engine with dirty oil can cause premature
engine wear and failure. Changing oil regularly is
extremely important. The flexible oil drain hose is
equipped to drain oil into appropriate receptacle. (See
Figure 6)
2
EXCITER
An eccentric weight mounted on the exciter shaft
contained within exciter housing is driven at high
speed by a clutch and belt drive system. This high
speed shaft revolution causes the rapid lifting and
downward ramming motion of the machine as well as
imparting a forward motion.
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11 Know your Machine
1
Locking Nut
Oil Drain Hose
Figure 6
ENGINE ON/OFF SWITCH
The engine switch has two positions. OFF - engine will
not start or run. On - engine will start and run.
RECOIL STARTER HANDLE
The recoil starter handle is used to pull-start the
engine.
FUEL SHUT-OFF VALVE
The fuel shut – off has two position. CLOSED (
- use this position to service, transport, or store the
unit.
OPEN ( ) - use this position to run the unit.
THROTTLE CONTROL
The throttle control regulates the speed of the engine
and will shut off the engine when it is moved to the
STOP position. The throttle control moves between
FAST , SLOW
CHOKE CONTROL
The choke control is used to choke the carburetor and
assist in starting the engine. The choke control slides
between the CHOKE CLOSED
positions.
Never use choke to stop engine.
)
, and STOP positions.
and CHOKE OPEN