Separating Cutting Unit From Traction Unit; Mounting Cutting Unit To Traction Unit; Adjusting Drive Belts - Toro 30799 Operator's Manual

Separating Cutting Unit From
Traction Unit
1. Position machine on level surface, lower cutting unit to
floor, shut engine off and engage parking brake.
2. Remove self tapping screws securing shield to top of
cutting unit and set shield aside.
3. Drive out roll pin securing drive shaft yoke to input
shaft of gear box. Loosen capscrews and locknuts and
slide yoke off input shaft. If traction unit will be used
without the cutting unit, drive roll pin out of yoke at
traction unit PTO shaft and remove entire drive shaft
from traction unit.
Danger
Do not start the engine and engage the PTO
lever when PTO shaft is not connected to
gear box on cutting unit. If engine is started
and PTO shaft is allowed to rotate, serious
injury could result.
4. Disconnect cotter pins and clevis pins securing lift
chains to lift arms.
Warning
Since the right hand push arm is spring
loaded to about 100 pounds, a helper is
needed to push the arm down. Sudden
release of the push arm could cause injury.
5. Have a helper push down on the right push arm while
you remove the flange head capscrews and locknuts
securing the ball joint mount to castor arm on cutting
unit. Now the helper can carefully allow push arm to
move upward, which will gradually release the 100
pounds of spring load.
6. Have a helper push down on the left push arm while
you remove the flange head capscrews and locknuts
securing the ball joint mount to castor arm on cutting
unit. Now the helper can carefully allow push arm to
move upward, which will gradually release the 150
pounds of spring load.
7. Roll the cutting unit away from the traction unit.
Mounting Cutting Unit To
Traction Unit
1. Position machine on a level surface and shut engine off.
2. Move cutting unit into position in front of traction unit.
Warning
Since the left hand push arm is spring loaded
to about 100 pounds, a helper is needed to
push the arm down. Sudden release of the
push arm could cause injury.
3. Have a helper carefully push down on the right push
arm until holes in ball joint mount line up with holes in
castor arm.
4. Secure ball joint mount to castor arm with flange head
capscrews and flange nuts. Capscrew heads to be
positioned to inside of castor arm.
5. Have a helper carefully push down on the left push arm
until holes in ball joint mount line up with holes in
castor arm. Immediately slide a 4 x 4 in. block of wood
between top of push arm and underside of chassis
Warning
Make sure the wooden block does not slip
out accidentally. Sudden release of the push
arm could cause injury.
6. Secure ball joint mount to castor arm with flange head
capscrews and flange nuts. capscrew heads to be
positioned to inside of castor arm. Chain bracket to be
mounted in forward set of holes.
7. Carefully remove wood block holding push arm down.
8. Line up holes in yoke and input shaft of gear box. Slide
yoke onto shaft and secure together with a roll pin and 2
capscrews (5/16 x 1-3/4 in.) and locknuts (5/16 in.).

Adjusting Drive Belts

The blade drive belts are tensioned by the spring loaded
idlers, are very durable. However, after many hours of use,
the belts will stretch and will need adjusting.
1. Lower cutting unit to the shop floor. Remove belt
covers from top of cutting unit and set covers aside.
2. Adjust spring tensioning rods until 10 lb. tension is
achieved for side belts and 30 lb. tension for center gear
box belt.
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