Installation and Maintenance Manual

Service and Maintenance
RLC-SVX09H-EN 187
15. Lift the waterbox away from the shell.
All RTWD Units
16. Store waterbox in a safe and secure location and
position.
Important: Do not leave waterbox suspended from
lifting device.
17. Work a round nylon or brass bristled brush (attached to
a rod) in and out of each of the condenser water tubes
to loosen the sludge.
18.Thoroughly flush the condenser water tubes with clean
water.
Note: (To clean internally enhanced tubes, use a bi-
directional brush or consult a qualified service
organization for recommendations.)
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.
• Torque waterbox bolts.
Note: Torque bolts in a star pattern. Refer to Table 128 for
torque values.
Waterbox Weights
Figure 86. Waterbox removal - swing out, install lifting
chain
WARNING
Overhead Hazard!
Never stand below or in close proximately to heavy
objects while they are suspended from, or being lifted
by, a lifting device. Failure to follow these instructions
could result in death or serious injuries.
Table 128. Torque Values
Evaporator Condenser (RTWD only)
65 ft-lbs (88 Nm) 65 ft-lbs (88 Nm)
Table 129. RTWD/RTUD Evaporator waterbox weights
Standard Grooved Pipe Waterbox
Model Size Hz Effic Waterbox Weight - kg (lbs) Lifting Connection
RTWD 80, 90, 100, 110, 120, 130, 140 60 STD Supply, Return
20.4 (45) M12x1.75
RTWD 80, 90, 100, 110, 120, 130 60 HIGH Supply, Return
RTWD 70, 80, 90, 100, 110, 120, 130, 140, 150 50 STD Supply, Return
RTWD 60, 70, 80, 90, 100, 110, 120 50 HIGH Supply, Return
RTWD 150, 160, 180, 200, 220, 250 60 HIGH Supply, Return
RTWD 150, 160, 180, 200 60 PREM Supply, Return
RTWD 130, 140, 160, 180, 200, 220, 250 50 HIGH Supply, Return
RTWD 160, 180, 200 50 PREM Supply, Return
RTUD 80, 90, 100, 110, 120, 130 60 HIGH Supply, Return
RTWD 150, 160, 180, 200, 220, 250 60 HIGH Supply
33.6 (74) M12x1.75
RTWD 150, 160, 180, 200 60 PREM Supply
RTWD 130, 140, 160, 180, 200, 220, 250 50 HIGH Supply
RTWD 160, 180, 200 50 PREM Supply
RTUD 150, 160, 180, 200, 220, 250 60 HIGH Supply