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5
4
1. Mower Clutch
Sheave
2. Mower Belt
3. Pump Belt Idler
Spring
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 .005" feeler gauge should slide between
armature and rotor with slight contact.
Maximum: A .023" 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 .005"
feeler gauge fits between armature and rotor.
2. Slide a .012" 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.
1
OG0795
3
4. Hydro Pump Belt
5. Pump Pulleys
Figure 19
4
2
BATTERY (988108, 109, 117)
Unit comes equipped with a maintenance-free battery that
requires no regular maintenance except cleaning the
terminals.
Check Battery
Terminals
Inspect battery and terminals every 25 hours.
To clean terminals:
1. Remove battery cover.
2. Remove battery cables from terminals.
3. Clean or service battery away from unit. Remove
corrosion from battery terminals and cable connections
with wire brush, then wash with a weak baking soda
solution.
4. Apply a thin coat of dielectric grease or petroleum jelly
to terminals and cable ends to retard corrosion.
5. Replace battery and secure with battery cover.
Charge Battery
Battery Electrolyte First Aid
• External Contact: Flush with water.
• Eyes: Flush with water for at least 15 minutes and get
medical attention immediately!
GB - 23
3
1. Armature
3. Inspection Slot
2. Rotor
4. Gap Adjustment
Figure 20
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
WARNING: Battery posts, terminals and
related accessories contain lead and lead
compounds, chemicals known to the State of
California to cause cancer and reproductive
harm. Wash hands after handling.
WARNING: FROZEN BATTERIES CAN
EXPLODE and result in death or serious injury.
DO NOT charge a frozen battery. Let the
battery thaw before charging.
1
2
4
Nut
OG1500
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