SERVICE AND ADJUSTMENTS
TO REMOVE DRIVE BELT (See Figs.18 thru 21)
1. Disconnect spark plug wire from spark plug and place |
HOUSING | CRANKSHAFT |
HOLE | TAB |
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. 18). |
SCREWS |
DEBRIS SHIELD
BLADE ADAPTER
HARDENED WASHER
LOCK-
WASHER
LAWN |
MOWER |
HOUSING |
DRIVE |
COVER |
FIG. 18
3.Remove drive cable from anchor, then detach the drive cable spring from idler arm assembly (See Fig. 19).
IDLER ARM ASSEMBLY | DRIVE CABLE ANCHOR |
DRIVE BELT
DRIVE | BELT | PIVOT | HOUSING |
PULLEY | KEEPER |
| HOLE |
FIG. 19
4.Pivot idler arm assembly to slacken drive belt, then remove drive belt from drive pulley, belt keepers and idler arm.
5.Turn lawn mower on its side. Make sure air fi lter and carburetor are up.
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. 20).
7.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.
8. Remove blade bolt.
| TRAILING | BLADE |
SCREW | EDGE | BOLT |
FIG. 20
9.Remove blade, attaching hardware (bolt, lock washer, hardened washer), 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. 18–21)
1.Place new drive belt in the belt retainer of the debris shield. Be sure to route belt between belt keepers and through slot (See Fig. 21).
BELT RETAINER | TAB |
BELT |
|
KEEPERS |
|
DRIVE |
|
BELT |
|
SLOT | DEBRIS |
SHIELD |
FIG. 21
2.Route the other end of the new drive belt through hole in housing.
3.Reattach debris shield to housing with screw previ- ously removed. Be sure tab of debris shield is in gap of housing.
4.Position blade on the blade adapter aligning the two
(2)holes in the blade with the raised lugs on the adapter.
5.Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine (See Fig. 20).
6.Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft.
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