Service And Adjustments - Husqvarna HU550FH Operator's Manual

SERVICE AND ADJUSTMENTS

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 defl ector, 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 defl ector becomes
damaged, it should be replaced.
TO REMOVE DRIVE BELT
(See Figs. 17 and 18)
1. Remove drive cover and belt keeper.
2. Remove belt from gearcase pulley.
3. Turn lawn mower on its side with air fi lter and car bu -
re tor down.
4. Remove blade and blade adapter.
5. Remove belt from engine pulley.
TO REPLACE DRIVE BELT
(See Figs. 17 and 18)
1. Place new drive belt on engine pulley, inside tabs of
belt retainer.
2. Route the other end of the new drive belt through hole
in housing.
3. Reinstall blade adapter and blade.
4. Return mower to upright po si tion.
5. Install new belt on gearcase pulley.
6. Reinstall belt keeper and drive cover.
NOTE: Always use factory approved belt to assure proper
fi t and long life.
BLADE ADAPTER
BLADE
LOCK
WASHER
BLADE
HARDENED
BOLT WASHER
TRAILING EDGE
15
GEARCASE
BELT
FIG. 17
KEY CRANKSHAFT
CRANKSHAFT
FIG. 18
DRIVE
COVER
PULEY
BELT
KEEPER
KEY WAY
BELT
RETAINER