Craftsman 12AE764Y099 Operator's Manual page 23

3. If the arrows on the surface of each spindle pulley are not
perpendicular (at a 90˚ angle) to each other, see your Sears or
other qualified service dealer to have the timing belt reset.
WARNING
Do not operate the machine without the deck's timing belt properly
set. Failure to follow this instruction could result in personal injury or
property damage.
ADJUSTMENTS
WARNING
Shut the engine off and remove the ignition key before making
adjustments.
Handle Height
the upper handle is secured to two support bars that can be adjusted
to raise or lower the handle height. Adjust if necessary as follows:
1. Remove the upper star knob and carriage screw on the right side
of the handle and the left side of the handle.
See Figure 21.
2. Pivot the handle forward or rearward to align one of the three
holes on each support bar with the holes on the handle.
3. Reinstall the upper star knob and carriage screw on the right side
of the handle and the left side of the handle when a comfortable
height is achieved.
SERVICE AND MAINTENANCE
Figure 21
CUTTING DECk REMOVAL
Before performing any maintenance or repairs, disengage blades,
stop engine and remove key to prevent unintended starting.
to remove the cutting deck, proceed as follows:
1. Remove the belt cover by removing the three screws and washers
which secure it to the frame. See Figure 22.
Do not operate mower without the belt cover installed. Failure to fol-
low this instruction could result in personal injury or property damage.
2. Place the deck height lever in its highest position.
3. Position wood blocks at various places under the deck's edge.
these will temporarily support the deck in the process of removing it.
4. Use the deck height lever to lower the deck, so that it rests on the
wood blocks.
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WARNING
WARNING
Figure 22