MTD 21AA404B031 Operator's Manual page 11

Muffler
Engine exhaust exits the engine via the muffler.
Fuel Cap
Unscrew the fuel cap to add gasoline to the fuel tank. This unit
runs on regular gas.
Oil Fill Cap& Dipstick
Engine oil level can be checked and oil added through the oil fill.
NOTE: This unit was shipped WITHOUT oil in the engine. Oil
is included in the plastic bag packed the manual in with the unit.
Add the oil as directed in the Setup section. Check the oil level
before each operation to ensure adequate oil is in the engine. For
further instructions, refer to the steps in the Engine Maintenance
section of this manual.
ReverseHandle
The Reverse Handle controls the reverse drive of the wheels and
tines.
ForwardClutch Bail& TineEngagement
The forward clutch bail controls the engagement of the forward
drive of the wheels and tines.
DepthRegulator Lever
This lever controls the tilling depth of the tines. Pull the lever
back and slide it up or down to engage the notched height
settings.
HandlebarHeightAdjustment
The handlebar height is adjustable to three different settings. In
general, adjust the handlebars so they are at waist level when the
tines are 3-4" in the ground.
RearTine Shield
The rear tine shield protects the operator from flying debris
while also smoothing out freshly tilled soil.
SideShield
The side shield is used to maintain clear even rows and may be
adjusted to one of five different positions.
Tines
Your tiller's tines are a series of hoes arranged on a revolving
power-driven shaft.
WheelDrivePins
Each wheel is equipped with a wheel drive click pin that secures
the wheel to the wheel shaft. The wheels can be positioned in
either a WHEEL DRIVE or a FREEWHEEL mode.
Oil Drain
Removing the oil drain plug will drain the oil from the engine.
SECTION 4 -- CONTROLS AND FEATURES
11