User manual

Maintenance
Liebert
®
DS
™
134
Figure 98 Proper filter pleat direction
13.2 Blower Drive System—Centrifugal Fans
Blower drive system components that are part of the maintenance schedule include the blower
wheel(s) drive shaft, bearings, pulley, belts, sheave, motor auto-tension base and motor. See Blower
Section on page 152.
!
WARNING
Risk of crushing and pinching action from spring-loaded motor base. Can cause serious injury
to hands and fingers.
Improper drive belt removal may cause the motor base to slam down suddenly. Read the
directions in this manual and on the unit instruction labels before servicing the belts, motors
or pulleys. Follow all directions when servicing the unit.
Do Not Use
Long Pleat Construction
DPN000994
Rev. 0
16"
(406mm)
25"
(635mm)
Short Pleat Construction
The filter pleat direction should run parallel to the
direction of the short side of the filter , as shown above.
Do NOT use long pleat filter construction , as shown at
right above, because it can result in filter collapse .