EN - 31
Adjust Blade Height
Level and pitch the mower with the height
adjusters on each deck lift bracket
(Figure 25).
Loosen the jam nut on the deck lift
bracket bolt about 1/4 turn to reduce
clamp load on the height adjusters.
Loosen the jam nut on the deck adjuster
bolt and then turn the bolt clockwise to
raise the deck or counterclockwise to
lower the deck. Tighten both jam nuts.
CLUTCH ADJUSTMENT
If clutch fails to engage or disengage properly
or begins to make abnormal noise, check the
air gap adjustment at the three inspection
slots.
To check:
1. Stop engine, remove key and wait for all
hot parts to cool.
2. Measure the air gap between the
armature and the rotor.
Minimum: A .016" feeler gauge should
slide between armature and rotor with
slight contact.
Maximum: A .020" feeler gauge should
slide between armature and rotor with
slight contact.
3. Repeat for each inspection slot.
To adjust:
1. If necessary, loosen gap adjustment
nuts until a .016" feeler gauge fits
between armature and rotor.
2. Slide a .020" feeler gauge between
armature and rotor.
3. Tighten gap adjustment nut until there is
slight contact on feeler gauge.
4. Repeat steps 1 – 3 at each inspection
slot.
NOTE: Adjust air gap as evenly as possible.
5. Start unit, engage and disengage PTO.
6. Shut off unit.
7. Recheck air gap and adjust if needed.
Figure 24
Blade Side-to-Side Level
Blade Front-to-Back Pitch
Front
Left
Rear
Rear
Right
Figure 25
DO NOT place blocks under
reinforcement bar.
Height Adjusters
Figure 26
OG1500
1. Armature
2. Rotor
3. Inspection Slot
4. Gap Adjustment
Nut
1
2
3
4
4
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