90
CVHE-SVX02M-EN
Figure 60. Waterbox rigging and lifting—condenser
and evaporator connections
Reassembly
Once service is complete, the waterbox should be
reinstalled on the shell following all previous
procedures in reverse. Use new O-rings or gaskets on
all joints after thoroughly cleaning each joint.
IImmppoorrttaanntt:: Torque waterbox bolts (refer to Table 24, p.
90).
Torque Requirements and Waterbox Weights
Table 24. CenTraVac™™ chiller bolt torques
Bolt Size
Gasket type O-ring
Flat
in.
mm
ft·lb N·m ft·lb N·m
3/8
9.525 25 33.9 12–18 16.3–24.4
1/2
12.7 70 94.9 33–50 44.7–67.8
5/8
15.875 150 203.4 70–90 94.9–122.0
3/4
19.05 250 339.0 105–155
142.4–
210.2
Table 25. Waterbox weights
Shell
Size
Description
Fabricated Non-Marine
Waterbox, Welded Flat
Plate
Non-Marine Cast
Waterbox
Fabricated Non-
Marine Waterbox
Welded Dome
Marine Style Waterbox
Cover
Weight
Lifting
Connection
Weight
Lifting
Connection
Weight
Lifting
Connection
Weight
Lifting
Connection
lb
kg
lb
kg
lb
kg
lb
kg
032
Evaporator, 150 psig
(1034.2 kPaG)
265 120
3/4 - 10
— — — — 176 80
1/2 - 13
Evaporator, 300 psig
(2068.4 kPaG)
Condenser, 150 psig
(1034.2 kPaG)
— — 176 80
1/2 - 13
— — 176 80
1/2 - 13
Condenser, 300 psig
(2068.4 kPaG)
265 120
3/4 - 10
— — — — 221 100
1/2 - 13
050
Evaporator, 150 psig
(1034.2 kPaG)
397 180
3/4 - 10
397 180
Lifting Fixture
— — 265 120
1/2 - 13
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