Adjusting The Roller Chain - Gravely Pro 100 Service Manual

1. Jam Nuts
2. Spring
3. PTO Clutch Actuating
Arm
Figure 10 - Pro 100
3
2
4
1. PTO Idler Pulley
2. Spring
3. Jam Nuts
Figure 11 - Pro 150
4. PTO Clutch Actuating
Rod
5. Mower Belt
6. Mower Clutch Sheave
5
1
4. PTO Clutch Actuating
Rod
5. Mower Belt
OG0790
7
4
3
1
2
1. Jam Nuts
2. Spring
3. PTO Clutch Activating
Arm
4. PTO Clutch Actuating
Rod
Figure 12 - Pro 200

4.11 ADJUSTING THE ROLLER CHAIN

(Between The Transmission And The Jackshaft)
1. Loosen the nut slightly on the bolt that fastens the
idler sprocket to the idler sprocket bracket.
2. Tap up on the nut to raise the idler sprocket and
take the slack out of the chain. (A little slack is
desirable.)
3. Tighten the nut to secure the idler sprocket.
4 - 17
5
8
9
10
5. Mower Belt
6. Mower Clutch Sheave
7. Clutch Arm
8. Clutch Rod
9. PTO Idler Pulley
10.PTO Clutch Belt
Figure 13
6