Husqvarna 67521 ES 用户手册

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页码 21
12
LAWN MOWER
TO ADJUST CUTTING HEIGHT
See “TO ADJUST CUTTING HEIGHT” in the Operation 
section of this manual.
REAR DEFLECTOR
The rear deflector, attached between the rear wheels of 
your mower, is provided to minimize the possibility that 
objects will be thrown out of the rear of the mower into 
the operator's mowing position.  If the deflector becomes 
damaged, it should be replaced.
TO REMOVE DRIVE BELT (See Fig. 14)
1.  Remove drive cover and belt keeper.
2.  Remove belt from gearcase pulley.
3.  Turn lawn mower on its side with air filter and car bu-
retor down.
4.  Remove blade, engine pulley and debris shield.
5.  Remove engine pulley and belt from debris shield.
CAUTION:  TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:
1.  Release control bar and stop engine.
2.  Make sure the blade and all moving parts have completely stopped.
3.  Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug.
SERVICE AND ADJUSTMENTS
FIG. 16
LOWER HANDLE
HANDLE
BRACKET
HAIRPIN
COTTER
SQUEEZE
TO ADJUST
MOUNTING PIN
TO REPLACE DRIVE BELT (See Fig. 15)
1.  Place new drive belt in engine pulley and belt retainer 
of debris shield. 
2.  Route the other end of the new drive belt through hole 
in housing.
3.  Reinstall debris shield.
4.  Return mower to upright po sition.
5.  Install new belt on gearcase pulley.
6.  Reinstall belt keeper and drive cover.
NOTE: Always use factory approved belt to assure proper 
fit and long life.
7.  Turn lawn mower on its side with air filter and car bu-
retor down.
8. Reinstall 
blade.
BELT 
KEEPER
DRIVE
COVER
FIG. 14
GEARCASE
PULLEY
BELT
DEBRIS SHIELD
BELT
BELT RETAINER
FIG. 15
ENGINE PULLEY
TO ADJUST HANDLE (See Figs. 16 thru 18)
The handle can be mounted in a high or low position.  The 
mounting holes in the bottom of lower handle are off center 
for raising or lowering the handle.
1.  Remove upper handle and all wire tie(s) securing 
cable(s) to lower handle.
2.  Remove hairpin cotters from lower handle bracket 
mounting pin.
3.  Squeeze lower handle in to remove from mounting pins.
4.  Turn lower handle over to raise or lower handle.
5.  Squeeze lower handle in and po 
sition holes onto 
mounting pins on handle bracket.
6.  Reassemble upper handle and all parts removed from 
lower handle.