Blower Repair & Maintenance Manual #34-05198-6 v1.2 11.2014
25
TROUBLE SHOOTING
(con’t)
Problem
Possible Causes
Solution
Freezing-Headplate
overheating, excessive
end clearance wear.
Misaligned V drive
Align V drive
Lack of Volume
Clogged filter or muffler, incorrect
installation of check valves
Remove cause of obstruction
Excess bearing or gear
wear
Improper lubrications
Correct oil level
– dirty oil – check for
obstructions in the oil lines and
strainer in force feed units
Excessive gear wear
Oil too light
Use recommended weight of oil
Lack of oil pressure on the
force feed units
Dirty suction screen
Clean suction screen
Poor Performance
Restricted inlet
Downstream restriction
Excessive air to product ratio
Air leakage
Insufficient blower speed
Excessive impeller clearance
Remove cause of restriction
Remove cause of restriction
Reduce air intake
Check and repair any faulty seals
Increase to proper R.P.M.
Check clearances and replace worn
components