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Service and adjustments, Lawn mower, Rear deflector – Husqvarna 87521HVE User Manual

Page 14

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14

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. 17–20)

1. Disconnect spark plug wire from spark plug and place

wire where it cannot come in contact with plug.

2. Remove screws retaining drive cover and remove drive

cover from lawn mower housing (See Fig. 17).

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

6. Remove screw securing debris shield. Note that the

debris shield has a tab which fi ts into a gap in the
housing (See Fig. 19).

FIG. 17

SCREWS

DRIVE
COVER

LAWN
MOWER
HOUSING

3. Remove drive cable from anchor, then detach it and

return spring from idler arm assembly (See Fig. 18).

DRIVE CABLE
ANCHOR

RETURN
SPRING

DRIVE
PULLEY

HOUSING
HOLE

PIVOT

DRIVE
BELT

IDLER ARM
ASSEMBLY

FIG. 18

4. Pivot idler arm assembly to slacken drive belt, then

remove drive belt from drive pulley and idler arm.

5. Turn lawn mower on its side. Make sure air fi lter and

carburetor are up.

FIG. 20

DEBRIS
SHIELD

BELT RETAINER

BELT
KEEPERS

DRIVE
BELT

SLOT

TAB

TRAILING EDGE

CRANKSHAFT

DEBRIS
SHIELD

SCREW

BLADE
ADAPTER

HARDENED
WASHER

LOCK-WASHER

BLADE
BOLT

TAB

HOUSING
HOLE

FIG. 19

7. Use a wood block between blade and mower hous ing

to prevent blade from turning when re mov ing blade bolt.

NOTE: Protect your hands with gloves and/or wrap blade
with heavy cloth.

8. Remove blade bolt.

9. Remove blade, attaching hardware (bolt, lock wash er,

hardened wash er), blade adapter and debris shield as
one assembly.

10. Remove drive belt from blade adapter and debris shield;

discard old belt.

TO REPLACE DRIVE BELT (See Figs. 17–20)

1. Place new drive belt in the belt retainer of the debris

shield. Be sure to route belt between belt keepers and
through slot as shown (See Fig. 20).