Unit Start Up - Johnson Controls York Stack Fan Operating Manual

Unit Start Up

When the unit is removed from storage, all grease should be purged and
replenished with fresh grease.
The following check list is recommended to ensure proper operation:
Motor Bolt Torque
Washers
Bolt Size
NEMA Frame
(Grade 5) (Top and
Bottom)
56-145T 5/16
182-215T 3/8
254U-286TS 1/2
324T-365T 9/16
Recommended
Size Torque
(ft-lb)
5/16 18
3/8 31
1/2 75
9/16 107
A
Hub
B
Bushing
C
Bushing Screws
D
Bushing Set Screw
C
Bushing Fastener Torque
Bushing Type Screw Size
JA 10-24
SD/SDS 1/4-20
SK 5/16-18
SF 3/8-16
D
Bushing Set Screw
Bushing Type Screw Size
SD/SDS 1/4-20
SK 5/16-18
SF 3/8-16
C
B
YORK ® STACK FAN
Recommended Torque
60 in-lbs.
108 in-lbs.
180 in-lbs.
360 in-lbs.
Recommended Torque
60 in-lbs.
110 in-lbs.
110 in-lbs.
A
D
5