SPX Cooling Technologies Cooling Tower Marley MD - Manual (Page 22)

22
On the MD5016 the motor is located inside the tower plenum. Open the
access door (see Access Door Opening Procedure) and hinge out of the
way.
Any bolts removed functioning as mechanical or structural hardware
should be replaced with the torques specified below.
Belt tension on all mod-
els is adjusted by turn-
ing a large threaded rod
that drives the motor
mounting plate away
from (or toward) the fan
centerline. To turn this
rod, the rod retention
bracket must first be
moved. On the models
with motors located
externally loosen the thumbscrew holding this bracket in place and rotate
the bracket away from the assembly. On models with the motor located in
Maintenance
Fastener Torque Values
Machine Bolt Size
Galvanized Stainless
ft·lb
ƒ
N·m ft·lb
ƒ
N·m
8mm 8 10 15 20
10mm 15 20 30 40
12mm 25 35 50 65
16mm 65 85 120 160
20mm 125 170 230 315
Caution
SAFETY
BRACKET