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A
PD MANUAL
IOM-39
27 of 36
Aug 99 R1
BEARING
SETSCREW
TORQUES
Table 1
Shaft
diameter
NTN
KOYO
NTN
KOYO
DODGE
Type
UC
SERIES
(set
screw)
UK
SERIES
(adapter
sleeve
locknut)
SC
203
‐
215
SERIES
3/4"
(19mm)
35
in
‐
lb
(3.9
Nm)
35
in
‐
lb
(4.0
Nm)
Install
the
washer
and
lock
nut;
tighten
the
nut
fully
by
hand.
Apply
a
punch
or
screw
driver
into
the
notch
of
the
nut
and
tap
it
with
a
hammer.
Stop
tapping
after
the
nut
has
turned
60°
to
90°.
Do
not
strike
the
seal.
Bend
the
tab
on
the
rim
of
the
washer,
which
is
in
line
with
the
notch
of
the
nut.
If
a
tab
does
no
line
up
with
a
notch,
tighten
the
nut
further.
DO
NOT
BACK
THE
NUT
OFF.
66
‐
80
in
‐
lb
(7.5
‐
9
Nm)
1"
(25mm)
35
in
‐
lb
(3.9
Nm)
35
in
‐
lb
(4.0
Nm)
126
‐
156
in
‐
lb
(14
‐
18
Nm)
1
3/16"
(30mm)
43
in
‐
lb
(4.9
Nm)
35
in
‐
lb
(4.0
Nm)
126
‐
156
in
‐
lb
(14
‐
18
Nm)
1
7/16"
(37mm)
51
in
‐
lb
(5.8
Nm)
75
in
‐
lb
(8.5
Nm)
126
‐
156
in
‐
lb
(14
‐
18
Nm)
1
11/16"
(43mm)
69
in
‐
lb
(7.8
Nm)
75
in
‐
lb
(8.5
Nm)
228
‐
272
in
‐
lb
(26
‐
31
Nm)
1
15/16"
(49mm)
69
in
‐
lb
(7.8
Nm)
155
in
‐
lb
(17.5
Nm)
228
‐
272
in
‐
lb
(26
‐
31
Nm)
2
3/16"
(56mm)
87
in
‐
lb
(9.8
Nm)
155
in
‐
lb
(17.5
Nm)
228
‐
272
in
‐
lb
(26
‐
31
Nm)
2
7/16"
(62mm)
147
in
‐
lb
(16.6
Nm)
155
in
‐
lb
(17.5
Nm)
228
‐
272
in
‐
lb
(26
‐
31
Nm)
2
11/16"
(68mm)
173
in
‐
lb
(19.6
Nm)
248
in
‐
lb
(28.0
Nm)
228
‐
272
in
‐
lb
(26
‐
31
Nm)
2
15/16"
(75mm)
173
in
‐
lb
(19.6
Nm)
248
in
‐
lb
(28.0
Nm)
228
‐
272
in
‐
lb
(26
‐
31
Nm)
Refer
to
bearing
manufacturers
literature
for
all
other
types
of
bearings.
LUBRICATION
OF
FAN
BEARINGS
Pool
dehumidifier
equipment
bearings
are
susceptible
to
airborne
chemical
attack.
The
following
tables
are
suggested,
and
based
on
a
24
hour
operation.
Actual
lubrication
schedules
should
be
determined
on
an
individual
basis.
Some
fans
have
permanently
lubricated
sealed
ball
bearings
which
should
not
require
lubrication.
These
bearings
are
factory
packed
30
to
50%
full.
Bearings
that
require
lubrication
should
be
greased
while
the
bearing
is
rotating
slowly,
with
the
following
quantities
of
a
lithium
base
lubricant.
DO
NOT
OVERGREASE.
DO
NOT
USE
NON
‐
LITHIUM
BASED
GREASE.
Extended
lubrication
lines
may
be
provided.
Tubing
is
not
factory
filled.