Tuthill 3200, Operator'S Manual

Page: 21 / 40

17
05
Maintenance
Operator’s Manual 2010 Rev B p/n 2010
TROUBLESHOOTING
Although Tuthill Vacuum & Blower Systems blowers are well designed and manufactured, problems may occur
due to normal wear and the need for readjustment. The following chart lists symptoms that may occur along
with probable causes and remedies.
SYMPTOM PROBABLE CAUSE REMEDIES
Loss of oil
Gear housing not tightened
properly
Tighten gear housing bolts.
Lip seal failure Disassemble and replace lip seal.
Insufficient sealant
Remove gear housing and replace sealant. See
Disassembly (3200 and 4600) on page 20 .
Loose drain plug Tighten drain plug.
Excessive
bearing or gear
wear
Improper lubrication
Correct oil level. Replace dirty oil.
See Lubrication (Splash)
on page 11
.
Excessive belt tension
Check belt manufacturer’s specifications for tension and
adjust accordingly.
Coupling misalignment Check carefully, realign if necessary.
Lack of volume
Slipping belts
Check belt manufacturer’s specifications for tension and
adjust accordingly.
Worn lobe clearances
Check for proper clearances. See Assembly Clearances on
page 25 .
Speed too low Increase blower speed within limits.
Obstruction in piping Check system to ensure an open flow path.
Knocking
Blower out of time Re-time.
Distortion due to improper
mounting or pipe strains
Check mounting alignment and relieve pipe strains.
Excessive pressure differential Reduce to manufacturer’s recommended pressure. Examine
relief valve and reset if necessary.
Worn gears
Replace timing gears.
See Disassembly (3200 and 4600)
on page 20
.