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Section 4 - REPAIR & ADJUSTMENTS
WARNING I R,GHT
Before attempting any adjustments or repairs, STOP I HANDL
the engine, remove the spark plug wire from the I UPPER-_k__
spark plug and secu re wire away from plug. I KNOB___\__
NOTE: The following sections 4.2 through
4.4 are for self-propelled models. UPPER \ //k\'_. _ \\\
\
KNOBI(t1"1
CLIP
4.2 WHEEL DRIVE CONTROL ADJUSTMENT
1. The wheel drive control is properly adjusted when
there is 1/16" to 118"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
1/16" TO 1/8" CLUTCH CABLE FIGURE 4.5
UPPER
LOWER
HOOK
................................................................
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
POLY-V
DRIVE
- CABLE
CABLE EYE
ENGINE
DRIVE
BELT
DRIVE
DISC
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.
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:
13
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