Husqvarna 7021RB 用户手册

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页码 23
6
BLADE CONTROL (See Fig. 5)
CAUTION:  When the blade control is 
engaged, the blade turns.
•  To start the blade, hold the operator presence control 
bar down to the handle and push the blade/brake 
control lever forward until it latches.  To stop the blade, 
release the operator presence control bar.  Do not 
pull the blade/brake lever rearward with the operator 
presence control bar down against the handle.  Allow 
a cold engine to warm up in high idle position for one 
minute before engaging the blade.
NOTE: It is normal to hear the belt slip as the blade is 
engaged and comes up to speed.
•  Do not start the blade in uncut grass.  Move the mower 
out of uncut grass before starting the blade.
CAUTION:  Federal regulations require 
this blade/brake control to minimize 
the risk of blade contact injury.  Do not 
under any circumstances attempt to 
defeat the function of this control.
HOW TO USE YOUR LAWN MOWER
THROTTLE / ENGINE CONTROL (See Fig. 4)
The engine is controlled by a throttle control located on the 
side of the upper handle. CHOKE position is for starting a 
cold engine; FAST position is for starting a warm engine, 
normal cutting, trimming and better grass bagging; SLOW 
position is for light cutting, trimming and fuel economy, 
and STOP position is for stopping the engine.
The operation of any lawn mower can result in foreign objects thrown into the eyes, which can result 
in severe eye damage.  Always wear safety glasses or eye shields while operating your lawn mower or 
performing any adjustments or repairs.  We recommend standard safety glasses or a wide vision safety 
mask over spectacles.
OPERATION
FIG. 5
TO ENGAGE BLADE
BLADE / BRAKE
CONTROL LEVER
BLADE DISENGAGED
OPERATOR PRESENCE CONTROL BAR
CHOKE
FAST
SLOW
STOP
FIG. 4