SPX Cooling Technologies Marley MH 05-116E - Manual (Page 23)

23
Maintenance
See Figure 3 for MH Fluid Cooler models MHF706 and MHF707.The belts
are adjusted by turning the threaded rod. Before tightening or loosening the
belt, the double nuts holding the motor support in place must be loosened.
There are two jam nuts at the end of the rod next to the casing. Turn the
nut closest to the end of the rod to tighten the belt. Turn the other nut to
loosen the belt. After achieving proper tension tighten the double nuts
located on the fan side of the motor support against the motor support
to maintain belt tension, then retighten the motor support nuts. Ideal ten-
➠
Figure 1
LOOSEN HARDWARE
MOTOR
JACKING
SCREWS
SINGLE MOTOR—TWO FANS
MOTOR
JACKING
SCREWS
SINGLE MOTOR—SINGLE FAN
Figure 2