GB - 24
2. Measure air gap between armature and
rotor.
• Minimum: A 0.005 in. feeler gauge
should slide between armature and
rotor with slight contact.
• Maximum: A 0.023 in. feeler gauge
should slide between armature and
rotor with slight contact.
Adjust air gap:
NOTE: Adjust air gap as evenly as possible.
1. Loosen gap adjustment nut closest to
inspection slot.
2. Slide a 0.012 in. feeler gauge between
armature and rotor.
3. Tighten gap adjustment nut until there is
a slight contact on feeler gauge.
4. Repeat steps 1 through 3 for each
inspection slot.
Test Electric Clutch
1. Start unit, engage and disengage PTO
two or three times.
2. Stop engine, set parking brake, remove
ignition key, and wait for all hot parts to
cool.
3. Recheck air gap between armature and
rotor. Adjust air gap if needed.
4. Retest mower blade stopping time:
• If mower blades stop in 5 seconds or
less, the electric clutch is functioning
correctly.
• If mower blades DO NOT stop in 5
seconds or less, the electric clutch
MUST be replaced. Contact your
Gravely Dealer.
Short Term Storage
IMPORTANT: NEVER clean unit with
high-pressure water or store unit outdoors.
Remove all dirt, grease, leaves, etc. Store in
a clean dry area.
Inspect unit for signs of wear or damage.
Ensure all fasteners are properly tightened.
Long Term Storage
Follow all instructions under Short Term
Storage.
Remove and fully charge battery. Store in a
clean dry area.
Drain fuel from fuel tank.
Refer to Engine Manual for the proper engine
storage procedures.
Touch up all scratched or chipped paint
surfaces.
Figure 27
OE0070
6
1
3
3
2
1. Armature
2. Inspection Slot
3. Gap Adjustment
Nut
4. Air Gap
5. Electric Clutch
6. Rotor
5
4
STORAGE
