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 self-propelled models.

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

 

RIGHT

HANDLE

UPPER

KNOB

2”

UPPER

CLIP

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

DRIVEN DISC & RUBBER RING

DRIVE

SPRING

ENGINE

DRIVE

BELT

DRIVE

DISC

POLY-V BELT

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.

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 Poly-V Belt or engine drive belt.

NOTE: If any of the above (1 thru 5) are causing problems, service as follows:

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Snapper WRPS216517B, WRPS216517BE important safety instructions Wheel Drive Control Adjustment, Driven Disc Service