JOHNSON CONTROLS
57
SECTION 4 – MAINTENANCE
FORM 100.50-NOM12
ISSUE DATE: 04/02/2019
4
When replacing split bearings, refer to manufacturer’s
instruction provided with the bearing. It is extremely
important to ensure that proper radial clearances are
observed between the roller bearings and outer face.
Failure to make proper adjustments will cause prema-
ture failure of the bearing.
FIGURE 24 - SPLIT BEARING
00536vip
Bearing Cap
Grease Fitting
Outer Race
Bearings
Seal
Lock Washer
Tapered
Sleeve
Nut
TABLE 18 - SET SCREW TORQUE
SET SCREW
DIA.
HEX. SIZE
ACROSS
FLATS
LBS.
MIN. RECOMMENDED
TORQUE
INCH LBS. FOOT LBS.
1/4 1/8 66 - 85 5.5 - 7.2
5/16 5/32 126 - 164 10.5 - 13.7
3/8 3/16 228 - 296 19.0 - 24.7
7/16 7/32 348 - 452 29.0 - 37.7
1/2 1/4 504 - 655 42.0 - 54.6
5/8 5/16 1104 - 1435 92.0 - 119.6
Torquing of Set-screws
1. Torque screw “A” to 1/2 recommended torque.
2. Torque screw “B” to full min. recommended value.
3. Torque screw “A” to full recommended value.
After proper installation of the bearing(s),
run the unit for 10 to 15 minutes. Shut
the unit down and lock it out. Check for
proper engagement of locking collar and
tightness of set screw(s).
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