Operating - Walinga Ultra-Vac 6614D Operator's Manual

4.8 OPERATING

When operating the Ultra-Vac®, follow this
procedure:
1. Clear the area of bystanders, especially
small children, before starting.
2. Review and follow the Pre-Operation
Checklist (See Section 4.4).
3. Be sure the machine is correctly positioned
and set-up per Section 4.7. The trucks should
have ample space and clearance to drive
under the discharge cyclone.
4. Place chocks in front and behind unit tires
to prevent moving.
5. Starting Machine:
a. Place all controls (including Clutch) in
their neutral or off position and lock-off
the hydraulic oil supply valve to the
boom-lift cylinder.
b. Start the engine using the procedure
outlined in the engine manufacturers
handbook. Run the engine at low idle.
c. Slowly engage the PTO/Clutch control
to the drive system. (Fig. 4-9 )
d. Preliminary airlock setting:
i Engage airlock hydraulics.
ii. Check arrow on indicator to be
sure airlock is turning in the correct
direction.
iii. Increase engine speed to 1500
RPM and use the flow divider to set
the airlock speed to approximately
60 RPM.
iv. Return engine speed to low idle
and stop airlock.
Fig. 4-8 Working Position
Fig. 4-9 PTO/Clutch Control
Fig. 4-10 Airlock Flow Divider
Fig. 4-11 Airlock Flow Divider
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