49
6
TROUBLE SHOOTING
The Walinga
®
Agri-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 Agri-Vac
®
ready.
6.1
MOBILE TRANSFER UNIT
PROBLEM
CAUSE
SOLUTION
Slow to pick up grain.
Receiver choke activated.
Shut down and restrt.
Air leaks.
Tighten all vacuum connections.
Be sure seals are in good condition.
Check hoses for leaks.
Check hose coupling gaskets.
Tighten receiver coupling to base.
Check seal on pre-cleaner bottom
door (if so equipped). Close and
secure.
Check blower belt tension.
Improper setting of airslide.
Reset airslide.
Defective airlock.
Check airlock tip clearance (see
5.2.7). Adjust or replace tips as re-
quired.
Defective blower.
Check clearance between lobes and
case. Excessive clearance will de-
crease airflow. Consult your dealer.
Airslide open too far.
Slowly close airslide in increments.
Slow discharge of grain.
Air leaks.
Tighten all pressure connections.
Be sure seals are in good condition.
Check hose coupling gaskets.
Check hoses for leaks.
Check airlock belt tension.
Defective blower.
Check clearance. Excessive clear-
ance will decrease airflow (see 5.2.6).
Consult your dealer.
Defective airlock.
Check that tip tension is correct.
Adjust or replace tips as required (see
5.2.7).
Pulsation.
Not enough airflow.
Open airslide nozzle to provide more
air.
Increase blower speed or decrease
size of intake piping.
Too many bends.
Straighten out intake lines.
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