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Automated Dispensing Systems Maintenance & Parts Guide 28 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 Repl…

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27www.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 Replacement: ZAxis (continued)
Replace the ZAxis Motor (All Units Except E2 / E2V and R / RV Series)
10
Disconnect the Zaxis motor cable.
Zaxis
motor cable
11
Release the four (4) screws on the motor fixing base.
This loosens the motor enough to remove the timing belt from the timing pulley, at which point the
motor fixing base and timing pulley can be completely removed from the Zaxis module.
12
Release the four (4) screws fastening the Zaxis
motor to the motor fixing base and then place
the isolated motor on the work bench.
13
a. Release the four (4) set screws located
inside the threaded holes of the timing
pulley.
NOTE: Two set screws are used in each
hole: one screw for initial contact with the
shaft and a second screw to secure the
position.
b. Lift the timing pulley off the Zaxis motor
shaft.
b
a
14
a. Assemble the timing pulley onto the new
Zaxis motor shaft; position the timing pulley
such that the two (2) set screw holes align
with the two flat surfaces of the motor shaft.
b. Ensure that the distance from the base of
the timing pulley to the top of the motor is
10 mm (0.4").
10 mm (0.4")
15
Secure the new Zaxis motor and the timing pulley to the motor fixing base with the four (4) screws
removed previously.
16
Secure the motor fixing base to the Zaxis
module as follows:
a. Tighten the two (2) horizontal screws to
secure the timing belt.
b. Tighten the two (2) vertical screws to secure
the motor fixing base to the Zaxis module.
NOTE: The tension is not measured for this
belt.
b
a
b
a
Continued on next page
Automated Dispensing Systems Maintenance & Parts Guide
28 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Axis (continued)
Replace the ZAxis Motor (E2 / E2V Units Only)
17
Disconnect the Zaxis motor cable.
Zaxis
motor cable
18
Release the four (4) screws that fasten the
motor to the Zaxis module.
This loosens the motor enough to remove the
timing belt from the timing pulley, at which point
the motor can be completely removed from the
robot.
19
Remove the two (2) set screws on the timing pulley and then pull the timing pulley away from the
motor.
20
a. 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.
b. Ensure that the distance from the base of
the timing pulley to the top of the motor is
3.5 mm (0.14").
3.5 mm (0.14")
21
Adjust the motor to the upright position and
tighten the four (4) screws that fasten the motor
to the Zaxis module.
NOTE: The tension is not measured for this
belt.
Reinstall the ZAxis Cover
22.
a. Reinstall the Zaxis cover.
b. Secure the cover with the screws removed
previously.
b
a
b
29www.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 Replacement: R / RV Series Z and R Axes
NOTE: This procedure applies only to R / RV Series units.
CAUTION
Risk of injury or equipment damage. Before performing any service procedure, complete the steps under
“Preparation for all Service Procedures” on page3.
Remove the ZAxis Cover (R / RV Series Only)
1
a. Remove the 10 screws that secure the
Zaxis cover to the Zaxis module.
b. Carefully pull up vertically to remove the
Zaxis cover.
NOTE: Removing the four (4) screws near
the bottom of the Zaxis cover releases
the Zaxis bottom plate; place your hand
underneath the plate to catch it.
NOTE: The Zaxis module can be in
any position along the Xaxis during
maintenance.
ba
Replace the ZAxis Timing Belt (R / RV Series Only)
2
a. Release the four (4) screws on the motor
fixing base. This loosens the timing belt
enough to remove it from the idler and
timing pulleys.
NOTE: The screws only needs to be
loosened, not completely removed.
b. Remove the old timing belt from the idler
and timing pulley.
Timing belt
b
a
Motor fixing
base
3
With the sawtooth sides of the new timing belt
facing one another, loop the belt around the
idler and timing pulleys.
4
Secure the motor fixing base to the Zaxis
module as follows:
a. Tighten the two (2) horizontal screws to
secure the timing belt.
b. Tighten the two (2) vertical screws to secure
the motor fixing base to the Zaxis module.
NOTE: The tension is not measured for this
belt.
Timing belt
a
Motor fixing
base
b
a
b
Continued on next page