Walinga Agri-Vac 3510 Operator's Manual And Parts Book page 61

6.3 BLOWER
PROBLEM
Low air volume.
Over heating.
Power source overloading.
6.4 V-BELT DRIVE
PROBLEM
Loss in drive speed.
CAUSE
Slow speed.
Piping blocked.
Excessive pressure rise.
Worn components.
Inadequate lubrication.
Excessive lubrication.
Excessive pressure rise.
Coupling mis-alignment.
Speed too high.
Pressure too high.
Impellers rubbing.
CAUSE
Belts slipping.
Localized belt wear.
Unequal stretch on belts.
Belts overloaded.
Belt separation.
Envelope seams opening.
Abnormal envelope wear.
Belt softening or swelling.
Belt hardening or cracking.
SOLUTION
Check for slipping belts. Adjust belt
tension as required.
Check inlet and outlet piping. Remove
obstruction.
Check inlet vacuum and discharge
pressure and compare with recom-
mended conditions. Determine cause
before continuing.
Check clearance and replace defec-
tive components. Refer to blower
manual.
Check oil level in reservoirs. Add as
required.
Check oil level. Correct as required.
Adjust operating conditions to reduce
pressure rise to below 6 psi.
Check and realign.
Check and decrease speed to recom-
mended RPM.
Adjust operating conditions to reduce
pressure rise to below 6 psi.
Consult your nearest dealer.
SOLUTION
Tighten belts as required.
Check belt cross-section dimension.
a. If narrow, pulley spinning.
b. If swollen, belt failing internally.
Defective belts. Replace with
matched set.
Belts failed or worn out. Replace belts
with matched set.
Belts too tight. Replace belts and set
correctly.
Check for oil or rubber solvent. Elimi-
nate contamination and replace belts.
Check for worn sheave, misalignment
or slip. Replace defective parts, adjust
properly and replace belt.
Eliminate oil or rubber solvent. Re-
place belt.
Eliminate heat or chemical contami-
nation. Replace belt.
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