96
CVHE-SVX005B-EN
Figure 62.
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.
IIm
mp
po
orrtta
an
ntt:: Torque waterbox screws as specified in
“Torque Requirements and Waterbox
Weights,” p. 96
Torque Requirements and Waterbox
Weights
N
No
otte
e:: These chillers are assembled with SAE fasteners.
Table 23.
CenTraVac chiller screw torques — SAE
Screw Size
Torque — Gasket type O-ring
Torque — Flat
in
ft·lb
N·m
ft·lb
N·m
3/8
25
33.9
12–18
16.3–24.4
1/2
70
94.9
33–50
44.7–67.8
5/8
150
203.4
70–90
94.9–122.0
3/4
250
339.0
105–155
142.4–210.2
