Change Transmission Belt - Exmark COMMERCIAL 30 Operator's Manual

Maintenance
Change Blade Drive Belt
Service Interval: As required
1. Stop the engine and wait for all moving parts to
stop.
2. Disconnect the wire from the spark plug.
3. Remove and retain the front belt cover and its
four bolts. Remove any debris under the cover.
4. Remove and retain the BBC bracket and its
mounting hardware. Remove the BBC belt from
the front LH pulley.
5. Loosen the blade drive adjusting bolt (refer to
Figure 27).
6. Remove and retain the fixed idler pulley and its
hardware (see Figure 28).
1. Hole in deck
2. RH sprocket hole
3. Fixed idler
4. LH sprocket hole (BBC idler removed for clarity)
7. Remove the blade drive belt.
8. Align the holes in the RH and LH sprockets with
the holes in the deck as shown in Figure 28. Hold
the sprockets in place with a rod or screwdriver.
9. Once the sprockets are locked into place, reinstall
the blade drive belt and the fixed idler pulley.
Note: Make sure the teeth are engaged in the
sprockets.
10. Tighten the belt tension to the recommended
settings; refer to Check the Blade Drive System.
Figure 28
11. Remove the rod or screwdrivers from the
sprockets.
12. Check the blades under the deck to make sure
they are properly aligned; refer to Check the
Mower Blade section.
13. Reinstall the BBC belt and the BBC bracket.
14. Reinstall the belt cover using the four bolts.
15. Connect the wire to the spark plug.
16. Check the operation of the blade control lever
and the blade brake clutch.

Change Transmission Belt

Service Interval: Every 250 hours
1. Shut off the engine and wait for all moving parts
to stop.
2. Disconnect the wire from the spark plug.
3. Remove the four bolts that hold the belt cover
to the machine housing.
Note: Save the bolts for installing the belt cover
to the machine housing.
4. Remove the belt cover.
5. Remove any debris from under the belt cover.
6. If the grass bag is on the machine, remove and
retain it.
7. Raise and hold up the rear door.
8. Remove and retain the rear panel and its mounting
hardware (machines with a Kohler engine).
g195301
1. Rear panel
2. Hardware
28
Figure 29
3. Dust shield
g288984