York ECO2 YPAL 050 - Manual (Page 61)

61
4
JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
BEARING INSTALLATION
bear ing hous ing (pillow block or
fl ange) when installing the bearing
Torquing of Set-screws
1. Torque screw “A” to 1/2 rec om mend ed torque.
2. Torque screw “B” to full min. recommended
val ue.
3. Torque screw “A” to full rec om mend ed 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 en gage ment
of locking col lar and tight ness of set
screw(s).
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 pre ma ture
failure of the bearing.
TABLE 4-2 – SET SCREW TORQUE
FIG. 4-8 – SPLIT BEARING 00536vip
grease fi tting
seal
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