Service And Adjustments - Husqvarna 87521RES Owner'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 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. 16)
1. Remove drive cover.
2. Remove spring and belt keeper.
3. Remove belt from gearcase pulley.
4. Turn lawn mower on its side with air filter and car bu -
re tor up.
5. Remove blade, engine pulley and debris shield.
6. Remove engine pulley and belt from debris shield.
GEAR-
CASE
PULEY
DRIVE
COVER
SPRING
BELT
KEEPER
BELT
FIG. 16
TO REPLACE DRIVE BELT (See Fig. 17)
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 si tion.
5. Install new belt on gearcase pulley.
6. Reinstall belt keeper and spring.
7. Reinstall drive cover.
NOTE: Always use factory approved belt to assure proper
fit and long life.
8. Turn lawn mower on its side with air filter and car bu -
re tor down.
9. Reinstall blade.
BELT RETAINER
DEBRIS SHIELD
TO ADJUST HANDLE (See Fig. 18)
The handle on your lawn mower has three (3) height posi-
tions - adjust to height that suits you.
• Squeeze the bottom ends of lower handle towards
each other until the pin in handle can be inserted into
one of the three height adjustment holes.
14
ENGINE PULLEY
BELT
FIG. 17