Husqvarna Ultimate Guide to Riding Lawn Mower Belt Replacement and Drive Belt Adjustments

SERVICE AND ADJUSTMENTS

TO REMOVE DRIVE BELT (See Figs. 17 & 18)

1.Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with spark plug.

2.Remove screws retaining drive cover (not shown); and remove drive cover from lawn mower housing.

3.Remove drive cable from anchor, then detach spring from idler arm assembly.

DRIVE		DRIVE CABLE ANCHOR
PULLEY			DRIVE BELT
BELT	HEX	IDLER ARM	HOUSING
KEEPERS	NUT	ASSEMBLY	HOLE

TO REPLACE DRIVE BELT

1.Place new drive belt on engine pulley.

2.Route the other end of the new drive belt through hole in housing.

3.Return mower to upright position.

4.Install new drive belt into idler arm assembly, then around the drive pulley. Be sure belt is inside of belt keepers.

5.Reattach idler arm assembly with hex nut previously removed.

6.Turn lawn mower on its side. Make sure air fi lter and carburetor are up.

7.Reattach debris shield to housing with tab of debris shield in housing hole.

8.Position blade on the blade adapter aligning the two (2) holes in the blade with the raised lugs on the adapter.

9.Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine as shown.

10.Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft.

11.Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise.

FIG. 17

4.Remove idler arm assembly from housing by removing hex nut; then remove drive belt from drive pulley, belt keepers and idler arm assembly.

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

6.Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt.

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

•The recommended tightening torque is 35-40 ft. lbs.

IMPORTANT: BLADE BOLT IS HEATTREATED. IF BOLT NEEDS REPLACING, REPLACE ONLYWITH APPROVED BOLT SHOWN IN THE REPAIR PARTS SECTION OF THIS MANUAL.

12.Return mower to upright position.

13.Reattach drive cable spring to the idler arm assembly, then reattach drive cable to anchor.

14.Reattach drive cover with screws previously removed.

15.Connect spark plug wire to spark plug.

TO ADJUST HANDLE (See Fig. 19)

7. Remove blade bolt.

CRANKSHAFT	BLADE
HOUSING HOLE	ADAPTER
	HARDENED
	WASHER
TAB
	BLADE
DEBRIS	BOLT
SHIELD
TRAILING EDGE	LOCKWASHER

FIG. 18

8.Remove blade, attaching hardware (bolt, lock washer, hardened washer), blade adapter and debris shield. Note that the debris shield has a tab which fi ts into the housing hole.

9.Remove drive belt from engine pulley; discard old belt. 13

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.

HANDLE PIN

SQUEEZE

HIGH

HANDLEMED. BRACKET

LOW

FIG. 19