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W W a a t t e e r r b b o o x x R R e e m m o o v v a a l l a a n n d d I I n n s s t t a a l l l l a a t t i i o o n n
Figure 65. Waterbox lifting—condenser and
evaporator lifting points
Lifting
Location
Lifting
Location
Torque Requirements and Waterbox Weights
Table 29. CenTraVac chiller screw torques
Gasket type O-ring
Screw Size
in.
mm
ft·lb
3/8
9.525
25
1/2
12.7
70
5/8
15.875
150
3/4
19.05
250
114
Lifting
Location
Lifting
Location
Flat
N·m
ft·lb
N·m
33.9
12–18
16.3–24.4
94.9
33–50
44.7–67.8
203.4
70–90
94.9–122.0
142.4–
339.0
105–155
210.2
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.
I I m m p p o o r r t t a a n n t t : : Torque waterbox screws as specified in
"Torque Requirements and Waterbox
Weights," p.
114.
CVHH-SVX001G-EN
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