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 defl ector becomes damaged, it should be replaced.
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 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 it and return spring from idler arm assembly.
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.
7.Remove blade bolt.
8.Remove blade, attaching hardware (bolt, lock washer, hardened washer), blade adapter / pulley and debris shield. Note that the debris shield has a screw which fi ts into the housing.
9.Remove drive belt from engine pulley; discard old belt.
DRIVE PULLEY |
| DRIVE CABLE ANCHOR | |
|
| HOUSING | |
|
| HOLES | |
|
| DRIVE | |
|
| BELT | |
|
| IDLER ARM | |
BELT |
| ASSEMBLY | |
HEX NUT | RETURN SPRING | ||
KEEPERS |
CRANKSHAFT |
|
|
HOUSING |
| BLADE |
|
| ADAPTER / |
|
| PULLEY |
|
| HARDENED |
|
| WASHER |
| DEBRIS | BLADE |
| BOLT | |
| SHIELD | |
|
| |
SCREW |
|
|
TRAILING EDGE |
| LOCKWASHER |
FIG. 18
TO REPLACE DRIVE BELT (See Figs. 17 & 18)
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 / pulley 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 / pulley and crankshaft.
11.Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise.
•The recommended tightening torque is
IMPORTANT: BLADE BOLT IS HEAT TREATED. IFBOLT NEEDS REPLACING, REPLACE ONLYWITHAPPROVED BOLT SHOWN IN THE REPAIR PARTS SECTION OF THIS MANUAL.
12.Return mower to upright position.
13.Reattach drive cable and return spring to the idler arm assembly, then reattach drive cable to anchor.
14.Reattach drive cover with screws previously removed.
FIG. 17 | 15. Connect spark plug wire to spark plug. |
|
13
