User's Manual

English- 14
CONTROLS
Engine Speed
The engine speed was set at the factory for
optimum performance. Speed is not
adjustable
Operator Presence Control (OPC)
Models: W21SBK, W53SBEK, W21SBKC
Your lawn mower is equipped with an
operator presence control (OPC). The engine
will start whether the OPC is engaged or not.
The blade will not operate unless the OPC is
engaged. If blade is engaged, releasing the
OPC will stop the blade but will not stop the
engine.
Models: W21K, W21SK, W53SEK, W21KC
and W21SKC
Your lawn mower is equipped with an
operator presence control (OPC). The engine
will not start unless the OPC is pulled
rearward. The engine and blade will stop
turning when the OPC is released.
Fuel Shut Off Valve
The fuel shut off valve is located under the
fuel tank. The valve has two positions;
ON and OFF.
Refueling
The machine has one fuel tank. The tank
volume is 2.1quarts or 0.53 gallon
(2.0 liters).
The engine will run on a minimum of 85-
octane unleaded gasoline (no oil mix).
Environmentally adapted alkylate gasoline
can be used beneficially. See also Technical
Data concerning ethanol fuel. Methanol fuel is
not recommended.
1
CAUTION:
Federal regulations require an
engine control to be installed
on this lawn mower in order to
minimize the risk of blade
contact injury. DO NOT under
any circumstances attempt to
defeat the function of the
operator control. The blade
turns when the engine is
running.
1. Operator Presence Control (OPC)
Handle Bar
(Engaged position)
Fuel valve “ON”
Fuel valve “OFF”
8019-042
8019-043
8019-044