Inhoudsopgave
Advertenties
CLUTCH, BRAKES,
SECTION 5
,
TRANSM ISSION/TRANSAXLE
Transmission is disengaged from the engine by clutching
the drive belt.
Fig. 5-1 B-Series Belt Routing and Linkage
Idler Pulleys
Two idler pulleys are used on the drive belt.
A flat
pulley is located on the idler lever, and a
V
pulley is
stationary.
No adjustment can be made to either pulley.
Belt Guides
Both idler pulleys use wire type belt guides. The guides
can rotate around the pulleys and must be correctly adjust-
ed.
To adjust the belt guides, loosen the nuts holding the
guides and move the guides to positions shown in Fig. 5-1.
Tighten nuts securely.
Two belt guides are used to capture belt at engine pUlley.
These guides should be adjusted to 1/16 inch (1.5 mm)
from drive belt with the clutch pedal released.
Belt Replacement
1. Place gear shift lever in neutral.
2. Separate PTO linkage under frame by removing clevis
pin and hairpin cotter at PTO clutch turnbuckle.
3. Remove PTO brake adjustment screw and bracket.
4. Remove PTO clutch cone assembly.
5. Remove crankshaft bolt and bearing race.
6. Relieve drive belt tension by depressing clutch pedal and
remove remaining PTO clutch housing from crankshaft.
7. Remove idler pulley belt guides.
When removing belt guides, pulleys are free if nuts
are not replaced.
5-1
8. Cut old belt or remove by working belt through geall
shift access hole.
9. Feed half the new belt through gearshift access hole aft
end and half around the gearshift lever through thl
access hole forward end.
10. Place forward end of belt over engine drive pu Iley, and re:
place pulley onto engine shaft and secure with bolt am
race.
11. Place aft end of belt over transmission pulley.
12. Route belt around idler pulleys.
13. Replace belt guides and retaining nuts.
14. Release the clutch, check belt alignment, and set beh
guides as shown in Fig. 5-1.
15. Replace PTO cone and linkage, and adjust PTO brake!
See Section 9.
Brakes
The B-Series employs a positive action disc type brake on
the transaxle. See Fig. 5-2.
Fig. 5-2 B-Series Brake Adjustment
Brake Adjustment
1. Depress the foot brake and set parking brake in the
first
notch.
See Fig. 5-3.
2. Loosen lock nut and tighten adjusting nut on brake cam
lever. See Fig. 5-2.
3. Push or pull tractor by hand. Proper brake adjustment is
achieved when rear wheels skid across floor.
4. Release brakes and check that brake disc turns freely.
5. Tighten the lock nut and recheck brake adjustment.
Advertenties
Inhoudsopgave
