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
4.4.1.Engine Drive Belt Replacement 1. Empty the fuel tank.
2. Unhook the idler spring from the right rear wheel bracket. See Figures 4.16.
HOT. Avoid serious burns, allow sufficient time for all components to cool.
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. |
RIGHT REAR
WHEEL BRACKET
IDLER
SLOT INARM DECK
IDLER SPRING
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 |
new bearing. | |
6. | Install bearing holder and secure with screws. |
7. | Install 3/8” hex lock nut. |
BALL BEARING
“O” RING
3/8”
LOCK NUT
BALL BEARING
HOLDER
FIGURE 4.15
4.4BELT SERVICE
On
DRIVE DISC
DRIVE BELT
ENGINE DRIVE PULLEY
TOP VIEW OF ENGINE BELT ROUTING
FIGURE 4.16
IMPORTANT: DO NOT tip machine with carburetor or spark plug down. Oil from crankcase will saturate the air filter and cause the 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 Driven Disc RubberRing” for driven disc removal procedure.
4.Do not tilt mower with spark plug or carburetor down. 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.
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