Section 4 - REPAIR & ADJUSTMENTS
WARNING
Before attempting any adjustments or repairs, STOP the engine, remove the spark plug wire from the spark plug and secure wire away from plug.
4.3.5. Replacing Bearing In Driven Disc
If the driven disc bearing fails, remove the driven disc assembly and replace bearing as follows:
1.Remove snap ring. See Figure 4.14.
INSTALL
NEW
BEARING
TIGHTEN
THE FOUR
SCREWS
SNAP
RINGS
REINSTALL
DRIVEN
DISC
FIGURE 4.14
2.Slide the hub assembly out of the bearing.
3.Remove the four screws.
4.Remove bearing and replace with new bearing.
5.Reassemble components in reverse order.
4.3.6.Replacement Of Bearing On Pulley End Of Hex Shaft
To replace the bearing on the pulley end of the hex shaft, proceed as follows:
1. Hold the hex shaft with an adjustable wrench held next to the pulley.
2. Remove the 3/8” hex lock nut, which is located on the outside of the right wheel bracket. See Figure 4.15.
3. Remove holder,
4. Install new bearing.
5. Carefully install new
6. Install bearing holder and secure with screws.
7. Install 3/8” hex lock nut.
BALL BEARING
“O” RING
3/8”
HEX LOCK NUT
BALL BEARING
HOLDER
FIGURE 4.15
4.4.BELT SERVICE
On these mowers, the engine belt transmits power from engine to drive disc. The drive disc powers the
4.4.1.Engine Drive Belt Replacement (Stretch Type Belts)
1.Empty the fuel tank.
2.Note the belt routing in Figure 4.16. There is no idler pulley on these models to disconnect. See Figure
DRIVE BELT
ENGINE DRIVE
PULLEY
DRIVE DISC
TOP VIEW OF STRETCH TYPE BELT ROUTING
FIGURE 4.16
16