Trouble Shooting; Mobile Transfer Unit - Walinga Ultra-Vac 6614D Operator's Manual

6

TROUBLE SHOOTING

The Walinga Ultra-Vac® is a high capacity air pump that creates a vacuum for picking up grain and
supplies pressurized air for moving the grain. It is a simple and reliable system that requires minimum
maintenance.
In the following section, we have listed many of the problems, causes and solutions to the problems that
you may encounter.
If you encounter a problem that is difficult to solve, even after having read through this trouble shooting
section, please call your Walinga dealer. Before you call, please have this Operator's Manual and the serial
number from your Ultra-Vac® ready.
6.1

MOBILE TRANSFER UNIT

PROBLEM
Slow pick up of grain.
Slow discharge of grain.
CAUSE
Air leaks.
Defective blower.
Defective airlock.
Improper setting of air slide.
Air leaks.
SOLUTION
Tighten all vacuum connections.
Be sure seals are in good
condition.
Tighten receiver cyclone to base.
Check seal on pre-cleaner bottom
door. Close and secure.
Inspection door must be closed
and sealed.
Check vacuum relief valve.
Replace if defective. Clear
obstruction.
Check pressure relief valve.
Clean or replace as required.
Check clearance between lobes
and case. Excessive clearance
will decrease air flow. Consult
your dealer.
Check that tip clearance is 0.004
inches. Adjust or replace tips as
required.
Reset airslide.
Tighten all pressure connections.
Be sure seals are in good
condition.
Check pressure relief valve.
Clean or replace as required.
48