MAINTENANCE, ADJUSTMENTS & LUBRICATION
WARNING
DISCONNECT PTO DRIVE SHAFT AND HYDRAULIC
HOSES BEFORE CLEANING, ADJUSTING OR SER-
VICING THIS MACHINE. FAILURE TO HEED MAY RE-
SULT IN SERIOUS PERSONAL INJURY OR DEATH.
WARNING
APRON STARTS AUTOMATICALLY WHEN GATE
OPENS.
WHEEL AND TIRE MAINTENANCE AND
REPAIR
WHEELS: Check periodically. The wheel studs should
be torqued to 297 foot pounds.
VB750 TIRE PRESSURE:
75 psi, recommended pressure, 77 psi max.
LOCK RING RIM
WARNING
NEVER INFLATE BEYOND RIM OR TIRE MANU-
FACTURER’S APPROVED PSI RATING. WHILE IN-
FLATING, STAY OUT OF THE TRAJECTORY &
STAND CLEAR OF TIRE/WHEEL ASSEMBLY. A
TIRE BLOW OUT OR RIM/WHEEL FAILURE CAN
CAUSE SERIOUS INJURY OR DEATH.
Removing, replacing and repairing industrial tires and
rims with lock rings can be dangerous without proper
tools, equipment and training to perform this service. It
is recommended that this work be performed only by a
qualified tire repair shop.
DANGER
IF THE LOCK RING SHOULD BLOW OFF, IT AND
OTHER PARTS COULD FLY OFF WITH ENOUGH
FORCE TO INJURE OR KILL A PERSON. NEVER
STAND IN THE POTENTIAL BLOW OUT AREA AND
KEEP OTHERS AWAY.
REAR-AUTOMATIC OVER RUNNING
CLUTCH
(See figure 9)
1. If the PTO drive becomes over loaded, the clutch
will disengage, causing an audible clattering noise.
2. If the clutch disengages, stop tractor hydraulic
flow. Disengage the PTO and allow it to coast
down. The clutch will re-engage at slow speed if
the over load has subsided.
3. At slow speed, re-engage the PTO and allow the
beaters to run freely. Restart the hydraulic flow
and resume operation.
4. If the clutch will not re-engage, then the beaters
are still over loaded or plugged. It will be neces-
sary to manually unplug the beaters to remove the
clog. A foreign object such as a rock may be found
to be the cause of over load.
5. When the clog has been cleared, restart the trac-
tor and at idle speed, engage the PTO until the
beaters fun freely. Increase the PTO speed and
then engage the hydraulic flow to operate the
apron drive and resume operation.
MANDATORY SAFETY SHUTDOWN
PROCEDURE
BEFORE unclogging, cleaning, adjusting, lubricating
or servicing the unit:
1. Disengage the tractor PTO.
2. Shut off the tractor engine, remove the ignition key
and take it with you.
3. Wait for all movement to stop.
4. Remove the Telescoping PTO Drive and ALL
power connections from the tractor.
ONLY
when you have taken these precautions can
you be sure it is safe to proceed. Failure to follow the
above procedure could lead to death or serious bodily
injury.
Page 19 MODEL: VB750
FIGURE 9. AUTOMATIC OVER RUNNING CLUTCH
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