Gravely 988001, Service Manual

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7.7 REPLACING THE PTO CLUTCH BELT
Pro 100 And Pro 200 (All Models Except 988085)
1. Stop the engine. Remove the ignition key. Put the
PTO lever in the "OFF" position.
2. Remove the mower belt from the mower clutch
sheave.
3. Loosen the two jam nuts on the rear end of the
PTO clutch actuating rod and back the nuts off to
the end of the rod. Remove the old PTO clutch belt.
It is not necessary to move the long PTO clutch
belt guide.
4. Put the new PTO belt on the clutch hub and on the
PTO idler pulley.
5. Readjust the PTO clutch.
6. Put the mower belt back on the mower clutch
sheave and tighten the mower belt.
7. Put the new transmission belt in the top groove of
the clutch hub and on the transmission sheave.
Move the shift lever into the number one slot.
8. If a belt guide was loosened or removed, fasten the
weldment back to the frame.
9. Hold the transmission belt guide at the correct
angle and approximately .06 inches-the thickness
of the ignition key-from the belt’s surface and
tighten the bolt holding the belt guide. See
Figure 22 for the correct position of the belt guide.
10.Put the PTO clutch belt back on the clutch hub.
11.Put the mower belt back on the mower clutch
sheave. Tighten the belt.
12.Move the shift lever to the neutral "N" position and
the PTO lever to the "OFF" position.
13.Check the adjustment of the shift linkage referring
to the Adjustment section.
1. Belt Guide Weldment
2. PTO & Drive Clutch
Hub
3. Mower Clutch Sheave
4. Idler Sheave Assembly
5. PTO Clutch Lever
Figure 21
1
2
3
4
5
PG0540
1
2
3
4
5
6
7
8
9
10
11
1. Mower Belt
2. Mower Clutch Sheave
(recoil model only)
3. Bolt
4. Lock Washer
5. Flat Washer
6. Bolt (recoil model only)
7. PTO Clutch Idler
Pulley (recoil model
only)
8. PTO Idler Belt Guide
(recoil model only)
9. PTO clutch Belt (recoil
model only)
10.Transmission Belt
11. Transmission Belt
Guide
12.Belt Guide Weldment
Figure 22
12
.12" Clearance
.06" Clearance