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33 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide. Automated Dispensing Systems Maintenance & Parts Guide Timing Belt and Motor Repl…

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Automated Dispensing Systems Maintenance & Parts Guide
32 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
Timing Belt and Motor Replacement: Z and R Axes (continued)
15
a. After the timing belt is fastened and all
cables are reconnected, release the two (2)
screws that attach the Raxis ball screw and
the Raxis motor shaft.
b. Power on the robot and adjust Sensor V and
Sensor R until their sensor lights are blocked
simultaneously.
c. In that position, re‑tighten the two (2) screws
that secure the Raxis ball screw and the
Raxis motor shaft.
Sensor V
Sensor R
a
b
b
c
16
Switch off the robot power before continuing to the next procedure.
Replace the ZAxis Motor (R / RV Series Only)
17
Go to “Replace the ZAxis Motor (All Units Except E2 / E2V and R / RV Series)” on page27 to
replace the Zaxis motor. Return here to continue.
NOTE: The only difference for the R / RV series is that the timing belt is angled as it exits the timing
pulley; this does not alter the motor replacement process.
Replace the RAxis Motor (R / RV Series Only)
18
Complete steps 5–7 of “Replace the RAxis Timing Belt (R / RV Series Only)” on page30 to release
the Raxis module. Return here to continue.
19
Release the two (2) screws that attach the
Raxis ball screw and the Raxis motor shaft
and push the coupling up.
Raxis
ball screw
Coupling
20
Release the four (4) screws that fasten the
Raxis motor to the Raxis module.
NOTE: The ball screw is part of the Raxis
module.
Continued on next page
Replace the RAxis Timing Belt (R / RV Series Only) (continued)
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Automated Dispensing Systems Maintenance & Parts Guide
Timing Belt and Motor Replacement: Z and R Axes (continued)
21
Release the four (4) screws that fasten the
Raxis motor to the Raxis motor base plate.
NOTE: The screws are threaded into nuts
located underneath the Raxis motor base
plate; these nuts will fall when the screws are
released.
22
Remove the two (2) set screws on the timing
pulley and then pull the timing pulley away from
the motor.
23
Assemble the timing pulley onto the shaft of the
new motor; align the timing pulley such that the
two (2) set screws contact the two flat surfaces
of the motor shaft.
Ensure that the distance from the base of the
timing pulley to the top of the motor is 6 mm
(0.24").
6 mm
(0.24")
a b
24
Secure the new Raxis motor and timing pulley to the Raxis motor base plate with the four (4) screws
and nuts removed previously.
25
Secure the Raxis motor to the Raxis module with the four (4) screws removed previously.
26
Complete steps 11–15 of “Replace the RAxis Timing Belt (R / RV Series Only)” on page30 to
complete the maintenance process. Return here to continue.
NOTE: The only exception is that in step 15, the Raxis ball screw and motor shaft will already be
detached.
Reinstall the ZAxis Cover (R / RV Series Only)
27
a. Position the Zaxis cover over the Zaxis
module and vertically lower it to its correct
orientation.
b. Lift up the Zaxis bottom plate and secure
the two components with the 10 screws
removed previously.
ba
Replace the RAxis Motor (R / RV Series Only)
Automated Dispensing Systems Maintenance & Parts Guide
34 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
ZAxis Spring Replacement (E and EV Series Only)
CAUTION
Risk of injury or equipment damage. Before performing any service procedure, complete the steps under
“Preparation for all Service Procedures” on page3.
1
a. Remove the four (4) screws that secure the
Zaxis cover to the Zaxis module.
b. Pull up vertically to remove the Zaxis cover.
a
b
a
2
While keeping the Zaxis head in the top
position, grasp the bottom of the Zaxis spring
and then pull it down and push it towards the
back of the robot to release it from the retaining
lip.
Z axis
spring
3
Remove the screw that secures the Zaxis
spring; this frees the spring.
Z axis spring
screw
4
Secure the replacement Zaxis spring with the screw removed previously.
5
Grasp the bottom of the Zaxis spring and then pull it down and place the bottom loop inside the
retaining lip.
6
a. Reinstall the Zaxis cover.
b. Secure the cover with the screws removed
previously.
b
a
b