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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.
4.2 WHEEL 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"
CLEARANCE
UPPER
SPRING
LOWER
SPRING
SPRING
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.
CLUTCH CABLE
EYE
SPRING HOOK
CABLE
CLUTCH CABLE EYE
FIGURE 4.4
RIGHT
HANDLE
UPPER
KNOB
2"
UPPER
CLIP
LOWER
CLIP
4"
LOWER
KNOB
4.3 DRIVEN DISC SERVICE
If the mower does not propel itself properly, refer to
Figure 4.6. Check for the following problems:
DRIVEN DISC &
RUBBER RING
DRIVE
SPRING
ENGINE
DRIVE
BELT
DRIVE
DISC
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:
13
FIGURE 4.5
POLY-V
BELT
FIGURE 4.6
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