16
When replacing the drive, reverse the procedures and tighten to
the torques for Frames 6 and 7 power terminal block listed in Ta-
ble 7.
Table 7 — Frames 6 and 7 Power Terminal Block
RIGGING THE ENCLOSURE
Where overhead room and/or clearance in front of the drive en-
closure is insufficient to allow the drive to be safely removed from
the enclosure, the entire enclosure may have to be removed from
the chiller.
The dimensions and weights specified must be taken into consid-
eration when removing the enclosure. For 19XRV chillers, the to-
tal weight for Frames 6 and 7, including drive weight and enclo-
sure, is 720 lb. The 23XRV chiller enclosure, including all compo-
nents, weighs 975 lb. All lifting equipment and lifting components
(hooks, bolts, lifts, slings, chains, etc.) must be properly sized and
rated to safely lift and hold the weight of the enclosure and drive
while removing. See Fig. 24 and Fig. 25.
Fig. 22 — 19XRV Enclosure Access for Removing Drive
FRAME
MAXIMUM LUG
WIDTH
RECOMMENDED
TORQUE
TERMINAL
BOLT SIZE
6 34.6 mm (1.36 in.) 11.3 N
·m (100 in.-lb) M8 x 1.25
7 43.5 mm (1.71 in.) 11.3 N
·m (100 in.-lb) M8 x 1.25
SIDE VIEW
DRIVE RIGGING
ACCESS
2 IN.
2 IN.
DRIVE POSITIONED FOR
VERTICAL LIFT
SUPPORT FROM
BELOW
DRIVE EXTENDS
BEHIND MAIN
ENCLOSURE
DRIVE RIGGING ACCESS
DRIVE WIDTH + 4 IN.
FRONT VIEW
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