Section 4 - REPAIR & ADJUSTMENTS
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4.4.1.Engine Drive Belt Replacement (Stretch Type Belts)
(Continued From Previous Page)
4.4.2.Transmission
3. Place new
4. Work belt onto top of idler pulley.
5. Twist belt sideways and pull it upward between the differential bracket and drive pulley and then down into the pulley groove. Make sure the
IMPORTANT: Drain fuel tank before tipping mower. DO NOT tip machine with carburetor or spark plug down. Oil from crankcase will saturate the air filter and cause the
DRIVE
IDLER
PULLEY DIFFERENTIAL BRACKET
engine to be hard to start or not start at all. If contamination does occur, the air filter will have to be replaced.
3.Remove the driven disc. Refer to Section “Replacing Rubber Driven Disc” for driven disc
assembly removal procedure.
4.Tilt mower up on its rear wheels and remove blade and blade hub. Assistance from another
person may be necessary to hold mower in the tilted position.
5.Hold the slotted end of the drive disc bolt with a screwdriver and remove the nut and internal tooth
lock washer. See Figure 4.16.
6.Remove the belt cover located under deck.
7.Lift the drive disc up and remove worn belt.
8.Loop one end of new belt over engine pulley and insert the other end through slot in deck. See Figure
PULLEY POSITION
PULLEYPOLY-V
BELT
HEX SHAFT
BELT GUIDE | DRIVEN |
| PULLEY |
ROUTING OF
FIGURE 4.17
SLOT IN END
OF DRIVE DISC
BOLT
DECK BRACKET (PARTIALLY SHOWN)
DRIVE DISC
BUSHING
BOLT RETAINER
LOCK WASHER
NUT
FIGURE 4.16
18
