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.
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 COVER |
|
1/16” TO 1/8” | CLUTCH CABLE |
CLEARANCE | EYE |
UPPER |
|
SPRING | SPRING HOOK |
| |
LOWER |
|
SPRING |
|
CATCHER MODEL
SHOWN (ROPE START
MOUNTED ON LEFT
SIDE OF HANDLE)
UPPER
KNOB
UPPER
CLIP
2”
LOWER
CLIP
4”
LOWER KNOB
FIGURE 4.5
4.3DRIVEN DISC SERVICE
If the mower does not propel itself properly, refer to Figure 4.6. Check for the following problems:
CABLE
CLUTCH CABLE EYE
SPRING
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.
DRIVEN DISC & RUBBER RING
DRIVE
SPRING
ENGINE
DRIVE
BELT
DRIVE
DISC
NOTE: The vinyl spring cover should be kept over the spring at all times except for adjustments.
4.If the wheel drive control fails to return quickly to the “OFF” position when released, check for binding at the cable holdings located on the side of the right handle. The upper clip should be located 2” below the upper knob; the lower clip should be 4” above the lower knob. The cable should slide freely with the clips installed at these locations. See Figure 4.5.
FIGURE 4.6
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:
12