Know Your Lawn Mower - Cub Cadet SC 621 Operator's Manual

SECTION 4: KNOW YOUR LAWN MOWER
Compare the illustrations in Figure 9 with your lawn mower to acquaint yourself with the location and working of
various controls and adjustments on the equipment. Always wear safety glasses while performing any adjustments
on the mower.
Blade Control Handle
Drive Clutch Control
Blade Control Handle
The blade control handle is located on the upper handle
of the mower.
• Depress the blade control handle in order to start
and operate the unit.
• Release the blade control handle to stop the engine
and the blade.
WARNING:
safety device. Never attempt to bypass its
operations. The blade will be rotating
whenever the engine is running.
Throttle Control/Choke Lever
The engine is equipped with a constant speed throttle,
which is already set at full throttle for best performance.
Recoil Starter
The recoil starter handle is attached to the lower
handle.
• Stand behind the unit in the operating position to
start the unit.
Drive Clutch Control
The drive clutch control lever is the longer of the two
levers located in a seperate housing attached to the top
of the upper handle.
• Squeeze the drive clutch control to engage the
drive system; release the clutch control to
disengage.
Shift Lever
Recoil Starter
The blade control handle is a
Cutting Height
Adjustment Lever
Figure 9
• Release the drive clutch control to slow down when
negotiating an obstacle, making a turn or stopping.
Shift Lever
The shift lever is the shorter of the two levers located in
the drive clutch control housing on the upper handle.
• Use this lever to select any of the six forward
speeds available on this mower model. Note that
when sliding the lever up or down to change speed
selection, you will have to release the drive clutch
control lever.
NOTE: Move the shift lever only when the engine is
running. Changing the shift lever setting with the engine
off can cause damage to the mower's drive system.
Caster Lock
WARNING:
hills, front wheels should be locked in the
straight ahead position.
The casters can be locked in a straight ahead position
or can be left to swivel freely.
• Lift and place the lock pins in the larger holes to
lock the wheels for straight-ahead operation.
• Place pins in smaller holes to allow casters to rotate
freely for turning.
Engine Controls
Refer to the engine manual for location and function of
the controls located on the engine.
9
Front Wheel
Caster Locks
Front Wheel
Height Adjuster
When operating mower on