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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 self-propelled
models only.
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 COVER
CLEARANCE
UPPER
SPRING
LOWER
SPRING
CLUTCH CABLE
;PRING HOOK
CABLE EYE
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.
4.3
DRIVEN DISC SERVICE
If the mower does not propel itself properly, check
for the following problems: See Figure 4.5
DRIVEN DISC &
RUBBER
POLY-V,BELT
DRIVE
DRIVE
DISC
DRIVE
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 Poly-V Belt or engine drive belt.
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.
13
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