Husqvarna HU700H 用户手册

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页码 40
15
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.
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.  Replace the rear deflec-
tor if damaged.
TO REMOVE DRIVE BELT (See Fig. 19) 
1.  Remove screws securing rear baffle.
2.  Turn mower on its side with air filter and car bu re tor up.
NOTE:  Before tipping lawn mower to remove drive belt, 
empty fuel tank by running engine until fuel tank is empty.
3.  Remove rear baffle from mower.
4.  Disconnect return spring from rear baffle / rear gearcase 
belt keeper.
5.  Remove blade bolt, lockwasher, hardened washer and 
blade.
6.  Remove debris shield.
7.  Remove gearcase belt keeper.
8.  Remove drive belt.
TO REPLACE DRIVE BELT (See Fig. 19) 
1.  Place new drive belt on gearcase pulley.
NOTE: Always use factory approved belt to assure proper 
fit and long life.
2.  Reinstall gearcase belt keeper.  Be sure the new drive 
belt is inside the tabs of the gearcase belt keeper. 
3.  Position the blade adapter on the engine crank shaft. 
Be sure key in adapter and crankshaft keyway are 
aligned; and that the new drive belt is inside the tabs 
of the belt retainer.
4.  Reattach return spring to rear baffle / rear gearcase 
belt keeper.
5.  Place rear baffle in mower housing.
6.  Reinstall debris shield.
7.  Reinstall blade.  The recommended tightening torque is 
35–40 ft. lbs. (47–54 Nm).
8.  Return mower to upright po si tion.
9.  Reinstall rear baffle screws.
SERVICE AND ADJUSTMENTS
FIG. 20
HANDLE
BRACKET
BOLT
KNOB
HIGH
MEDIUM
LOW
TO ADJUST HANDLE (See Fig. 20)
The handle on your lawn mower has three (3) height posi-
tions - adjust to height that suits you.
1.  Remove knob and carriage bolt on one side of the 
lower handle.
2.  While holding handle assembly, remove knob and 
car riage bolt from opposite side, align hole in handle 
with desired hole in handle bracket and reassemble 
bolt and knob and tighten securely.
3.  Align opposite side of handle with same positioning 
hole and secure with bolt and knob.
FIG. 19
BLADE BOLT
HARDENED 
WASHER
LOCKWASHER
BLADE 
ADAPTER
BLADE
BELT
RETAINER
IDLER 
PULLEY
RETURN 
SPRING
GEARCASE 
BELT KEEPER
DEBRIS 
SHIELD
REAR 
BAFFLE
GEARCASE 
PULLEY