Storage - Gravely 915034 - ZT1640 Owner's/Operator's Manual

• If the PTO belt does not stop in 5
seconds or less, adjust the electric
clutch.
Adjust Electric Clutch (Figure 26)
1
6
3
1. Armature
2. Inspection Slot
3. Gap Adjustment
Nut
NOTE: Gravely recommends having the
electric clutch adjusted by a professional.
Contact your Gravely dealer.
If the electric clutch (item 5) fails to engage or
disengage properly, begins to make an
abnormal noise, or if the mower blade
stopping time is too high, check the air gap
(item 4) at the three inspection slots (item 2).
Inspect air gap:
1. Stop engine, set parking brake, remove
ignition key, and wait for all hot parts to
cool.
2. Measure air gap (item 4) between
armature (item 1) and rotor (item 6).
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.
2
4
5
4. Air Gap
5. Electric Clutch
6. Rotor
Figure 26
• 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 (item 4) as evenly as
possible.
1. Loosen gap adjustment nut (item 3)
closest to inspection slot (item 2).
2. Slide a 0.012 in. feeler gauge between
armature (item 1) and rotor (item 6).
3
3. Tighten gap adjustment nut (item 3) until
there is a slight contact on feeler gauge.
4. Repeat steps 1 through 3 for each
inspection slot (item 2).
Test Electric Clutch
OE0070
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 (item 4) between
armature (item 1) and rotor (item 6).
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.

STORAGE

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.
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