Craftsman 536.270281 Operator's Manual page 31

SERVICE AND ADJUSTMENT
HOW TO ADJUST THE SPEED CONTROL LEVER
WARNING: Before you make an inspection, adjust-
ment, or repair to the unit, disconnect the wire to the
spark plug, Remove the wire from the spark plug to
prevent the engine from starting by accident,
If a drive belt becomes worn or after the installation of a new drive
belt, the speed control lever may need an adjustment. When the
speed control lever is moved to the NEUTRAL position, the unit
must come to a complete stop. If the unit does not come to a
complete stop, adjust as follows.
6. Assemble the adjuster nut to the hydro actuator arm and
secure with the hair pin.
7 Start the engine and test drive the unit. Make sure that the unit
will come to a complete stop when the speed control lever is put
in the NEUTRAL position.
1. Move the speed control lever to the NEUTRAL position.
2. Remove the hair pin from the adjuster nut (see Figure 38).
3. Disconnect the adjuster nut from the hydro actuator arm.
4.
If the unit was slowly moving forward when the speed control
lever was in the NEUTRAL position then turn the adjuster nut
clockwise (forward) one or two turns. This will decrease the
length of the speed control rod.
5.
If the unit was slowly moving rearward when the speed control
lever was in the NEUTRAL position then turn the adjuster nut
counterclockwise (backward) one or two turns. This will im
crease the length of the speed control rod.
HOW TO CHECK AND ADJUST THE CLUTCH
If the engine drive belt is loose, the clutch will slip when; (1) going
up a hill (2) pulling a heavy load, or (3} the unit will net move forward.
Adjust the clutch as follows.
WARNING: Before you make an inspection, adjust-
ment, or repair to the unit, disconnect the wire to the
spark plug, Remove the wire from the spark plug to
prevent the engine from starting by accident,
1.
2.
3.
Remove the hair pin and washer from the adjustable nut
(Figure 3g).
Turn the adjuster nut counterclockwise (forward) to increase
the movement of the pedal and tighten the belt.
Assemble the adjustable nut and fasten with the washer and
cotter pin.
4. Start the engine and test drive the unit. Make sure that the
clutch does not slip or that the belt does not slip.
5. If the belt still slips after the clutch has been adjusted, then the
motion drive belt is worn or damaged and must be replaced.
See "How To Replace The Motion Drive Belts"
Figure 3B
F-040601C 31