Adjust Clutch - Gravely Pro-Turn 148 Operator's Manual

d. Check adjustment. See Check Blade
Level and Pitch on page 39.
e. Tighten jam nuts against deck-
leveling links.

ADJUST CLUTCH

NOTICE: Adjust clutch every 500 hours or
once per season if used less than 500 hours.
See Figure 61.
If clutch operates incorrectly or sounds
abnormal, check the gap at the three
inspection slots.
Check Clutch
1. Place unit in service position. See
Service Position on page 23.
2. Measure gap between the armature and
rotor:
• A 0.4 mm – 0.5 mm (0.016" – 0.020")
feeler gauge should fit between the
armature and rotor and make slight
contact with each.
3. Repeat measurement for remaining
inspection slots.
4. If gap is within range, no adjustment is
needed.
Adjust Clutch
1. Place unit in service position. See
Service Position on page 23.
2. Loosen adjustment nut until a
0.5 mm (0.020") feeler gauge fits between
armature and rotor.
3. Tighten adjustment nut until armature and
rotor make slight contact with feeler
gauge.
4. Repeat at remaining inspection slots.
NOTICE: Air gap MUST be even at all
inspection slots.
1
1. Inspection Slot
2. Armature
3. Rotor
4. Gap Adjustment Nut
EN - 41
4
3
2
Figure 61