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. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.
NOTE: The following sections 4.2 through 4.4 are for
4.2WHEEL DRIVE CONTROL ADJUSTMENT
1. The wheel drive control is properly adjusted when there is 1/16” to 1/8” clearance between the inside of the spring hook and the inside of the clutch cable eye with the wheel drive control released. See Figure 4.4.
CLUTCH CABLE |
|
VINYL SPRING |
|
1/16” TO 1/8” | CLUTCH CABLE |
CLEARANCE | EYE |
UPPER |
|
SPRING | SPRING HOOK |
| |
LOWER |
|
SPRING |
|
CABLE
CLUTCH CABLE EYE
SPRING
4. If the wheel drive control fails to return quickly to the “OFF” position when released, check for binding at the cable clips located on the side of the right handle. The upper clip should be located 2” below the upper bolt; the lower clip should be 4” above the lower bolt. The cable should slide freely with the clips installed at these locations.
4.3DRIVEN DISC SERVICE
If the mower does not propel itself properly, See Figure 4.5. Check for the following problems:
DRIVEN DISC & |
|
RUBBER RING | |
DRIVE |
|
SPRING |
|
DRIVE
DISC
ENGINE
DRIVE
BELT
FIGURE 4.5
1.Grease on drive disc causing slippage.
2.Broken or disconnected drive spring.
3.Driven disc is out of adjustment.
4.Driven disc rubber ring is worn – does not contact drive disc properly.
5.Worn
NOTE: If any of the above (1 thru 5) are causing problems, service as follows:
(Continued on next page)
FIGURE 4.4
2.To adjust, unhook upper spring from cable eye and rotate spring in direction required to extend or shorten spring length.
3.Rehook upper spring to cable eye and check clearance. Repeat procedure if required.
NOTE: The vinyl spring cover should be kept over the spring at all times except for adjustments.
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