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SERVICE
SEASONAL INSPECTION AND SERVICE
* The bearings have been lubricated at the factory, thus no lubrication should be added before start up.
Hours of Service per Year
5000
Continuous Normal Applications
Seasonal Service (motor is idle for 6
months or more)
Continuous high ambient tempera-
tures, dirty or moist locations, high
vibrations or when shaft end gets hot
H. P. Range
1/8 to 7 1/2
10 to 40
50 to 150
1/8 to 7 1/2
10 to 40
50 to 150
All
1/8 to 40
50 to 150
Suggested Lube Interval
5 years
3 years
1 year
1 year
3 years
9 months
1 year-beginning of season
6 months
3 months
LUBRICATION INSTRUCTIONS FOR BALL BEARING MOTORS
SUGGESTED LUBRICATION INTERVALS*
effect the balance, and result in-
harmful vibrations and a short
bearing life.
3. CHECK propellor for free play.
Any side play is an indication of
defective motor bearings,
which should be replaced to pre-
vent a complete motor failure.
Make sure motor mount bolts
are tight.
4. Motor bearings should be LU-
BRICATED periodically, de-
pending on operating condi-
tions. Under normal usage it is
desirable to have the motor
cleaned, checked and bearings
repacked by an authorized ser-
vice station every two to three
seasons. If the unit is operated
continuously through most of the
year, this service should be per-
formed each year.
Note: If on site bearing relubrication
is to be performed, see lubrication
instructions for ball bearing motors.
The dryer is made of weather resis-
tant material, and is designed to re-
quire a minimum of service. However,
each season we recommend the fol-
lowing items be checked before the
unit is used, and any damaged or
questionable parts replaced. These
checks will help eliminate possible
failures, and assure dependable op-
eration of the equipment.
1. SHUTOFF electrical power.
OPEN power box and control
box, and inspect for moisture,
rodent damage or accumulated
foreign material. Remove any
foreign material present. Inspect
and tighten any loose terminal
connections. Replace any dam-
aged or deteriorated wiring.
2. CHECK propellor for freedom
of rotation and uniform tip clear-
ance. It should also be in-
spected for dirt and grain dust,
especially inside the hub. Any
additional weight can seriously
To keep motor bearings properly lu-
bricated, and dispel any accumula-
tion of moisture within the windings,
the fan and auger motors should
be operated for 15 to 30 minutes
each month.
If the motor is equipped with an
alemite fitting, CLEAN the tip of the
fitting and apply grease gun. Use 1
or 2 full strokes on motors in NEMA
215 frame and smaller. Use 2 to 3
strokes on NEMA 254 through
NEMA 365 frame. Use 3 to 4 strokes
on NEMA 404 frames and larger.
On motors equipped with slot-
ted head grease screw, remove
screw and apply grease tube to hole.
Insert 2 to 3 inch length of grease
string into each hole on motors in
NEMA frame and smaller. Insert 3
to 5 inch length on larger motors. On
motors having grease drain plugs,
remove plug and operate motor for
20 minutes before replacing drain
plug.
LUBE PROCEDURES