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Repair
Calibration
After replacing the encoder, the pump must be
calibrated. See your Reactor 3 operation manual for the
calibration procedure.
Replace the Guide Cover
Required Tools
•
3/16 in. Allen wrench
•
Torque wrench capable of 125 in-lb (14.1 N•m) of
torque
•
Synthetic grease with Syncolon (PTFE)
•
Medium strength thread locking compound
•
Rubber Mallet
De-energize the System
1. Follow the Pressure Relief Procedure on page 15.
2. Turn the TPC switch (ZP) to OFF and unplug the
power cord.
3. Wait five minutes for power to dissipate prior to
servicing.
Guide Cover Disassembly
1. Follow Remove the Electric Motor on page 16.
2. Use a 3/16 in. Allen wrench to remove the four
fasteners (207) from the bottom of the mounting
clamp ring (206).
24
ZP
TPC
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3. Remove the mounting clamp ring (206) from the tie
rods (203).
4. Slide the guide cover (208) out of the tie rods.
NOTE: The guide cover may need to be tapped out
with a rubber mallet.
Guide Cover Reassembly
1. Apply synthetic grease with Syncolon (PTFE) to
internal flat surfaces of the new guide cover (208).
2. Manually rotate the ball screw (204) until the
coupler reaches the midpoint of the tie rods (203)
and orient the ProConnect notch of the coupler so
it is facing the side opposite the motor cable.
3. Install the guide cover (208) into the tie rods (203)
and over the ball screw (204) coupler. Make sure
the guide cover access door is facing the same
direction as the ProConnect notch of the ball screw
coupler.
NOTE: The guide cover may need to be tapped into
place with a rubber mallet.
4. Install the mounting clamp ring (206) onto the tie
rods (203) and guide cover (208).
NOTE: The notch in the mounting clamp ring (206)
aligns with the tab on the guide cover (208) access
door.
5. Put a drop of medium strength thread locking
compound onto the threads of each of the four
fasteners (207). Use a 3/16 in. Allen wrench to
install fasteners through the mounting clamp ring
(206) and into the tie rods (203), then torque to
110-120 in-lb (12.4-13.6 N•m).
208
206
207
204
203
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3A8503C
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