Wheel Drive Control Adjustment - Snapper RP2167517BVE Safety Instructions & Operator's Manual

Section 4 - REPAIR & ADJUSTMENTS
WARNING
DO NOT attempt any maintenance, adjustments or
servicewith 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 t ime for
all components to cool.
4. Sharpen blade on a grinding wheel at an angle of
22 to 28 degrees. DO NOT sharpen blade beyond
original cutting edge. See Figure 4.4.
DO NOT SHARPEN
BEYOND ORIGINAL
CUTTING EDGE
BLADE TIP /
/
• .J
J
_._._._ END VIEW OF
BLADE ASSEMBLY
//" ORIGINAL CUTTING EDGE
FIGURE 4.4
5. Check blade for balance. If necessary, correct
balance by grinding heavy end of blade.
6. Reinstall blade. See Figure 4.3. Check torque of
blade retaining cap screw. Recommended torque
should be 40 ft. Ibs.
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 4.5.
CLUTCH CABLE
VINYL SPRING
1/16" TO 1/8"
CLEARANCE
UPPER
SPRING
LOWER
SPRING
CLUTCH CABLE
SPRING HOOK
CABLE
EYE
FIGURE 4.5
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.
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