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25
8.4.9
With a wrench remove the Motor Spacer (Figure 7 item 6).
8.4.10 Install the Crank Handle Assembly (Figure 6 Item 2).
8.4.11 Follow instruction in section 8.2 on page 22.
8.4.12 To reassemble the machine, reverse steps 8.4.1 thru 8.4.10.
8.4.13 Place the machine on a pipe.
8.4.14 Connect the Motor Cable to the Motor Assembly (Figure 8 item 3) and to the Motor Control Box.
8.4.15 Depress the Emergency Stop Switch.
8.4.16 Move the Directional Control Switch to the “Off” position.
8.4.17 Plug the Motor Control Box into a wall outlet having an output of 90 to 240 volts AC.
8.4.18 Twist to release the Emergency Stop Switch.
8.4.19 The Digital Screen will light up showing the following.
991 – Indicates the stepper motor is NEMA 23
992 – Indicates the Stepper Motor is NEMA 34
993 – Indicates the Stepper Motor is a heavy-duty NEMA
994 & 995 – Check cable connection at motor and motor control box.
999 – Indicates the Directional Control Switch is in the “Forward” or “Reverse” position. Move to the “Off” position
NOTE: If any other codes appear contact Mathey Dearman prior to continuing the cutting process.
8.4.20 If no faults are present after the motor number appears, the percent of maximum speed will be displayed in the
window.
8.4.21 Move the Directional Control Switch to the “Forward” or “Reverse” direction.
8.4.22 Depress the speed control switch until the percent of motor speed reads about 32% so control of the machine can be
maintained should an emergency arise.
8.4.23 If the motorized unit is operating improperly see the trouble shooting in Table 8.
8.5 Installation of the Stepper Motor Kit
8.5.1
Loosen the set screw (Figure 6 item 10) in the Crank Handle Assembly (Figure 6 item 2).
8.5.2
Remove the Crank Handle Assembly (Figure 6 item 2) from the shaft of the Crank Pinion (Figure 6 item 3).
9.5.3
Make sure the 3 threaded holes in the face of Double Bearing Bracket (Figure 6 item 1) are not damaged and free of
debris.
8.5.4
Install the Motor Coupling (Figure 7 item 5) on to the shaft of the Crank Pinion (Figure 6 item 3).
8.5.5
Tighten the #8-32 Set screw (Figure 7 item 9) located in the Motor Coupling (Figure 7 item 2).
8.5.6
Slide the Motor Adaptor (Figure 7 item 3) over the Motor Coupling (Figure 7 item 5) and align the holes in the Motor
Adaptor with the threaded holes in the face of the Double Bearing Bracket (Figure 6 item 1).
8.5.7
Place the #8-32 Socket Head Screws (Figure 7 item 8) into the holes of the Motor Adaptor (Figure 7 item 3) and thread
them into the Double Bearing Bracket (Figure 6 item 1).
8.5.8
Install the threaded Stud, 5/16-18unc x 2” lg. (Figure 7 Item 2) in the Motor Spacer (Figure 7 item 6), if it has not
already been installed.
8.5.9
Install the inner Hex Flange Lock Nut (Figure 7 item 11) onto threaded Stud, 5/16-18unc x 2” lg. (Figure 7 Item 2) along
with the 5/16” Washer (Figure 7 item 13).
8.5.10 Install the threaded Stud, 3/8-16unc x 1 7/8” lg. (Figure 7 Item 12) in the Motor Spacer (Figure 7 item 6), if it has not
already been installed.
8.5.11 Insert the threaded Stud, 3/8-16unc x 1 7/8” lg. (Figure 7 Item 12) with the Motor Spacer (Figure 7 item 6) attached
into the center mounting hole of the Double Bearing Bracket (Figure 6 item 1) and thread it into the Saddle (Figure 4
item 1).
8.5.12 Install the Motor Support on to the threaded Stud, 3/8-16unc x 2” lg. (Figure 7 Item 2) until the face of the Motor
Support (Figure 7 item 4) fits into the recess of the Motor Adaptor (Figure 7 item 3).
8.5.13 While holding the Motor Support (Figure 7 item 4) on the Motor Adaptor (Figure 7 item 3), install the Washer (Figure
7 item 13) and outer Hex Flange Lock Nut (Figure 7 item 11) onto threaded Stud, 5/16-18unc x 2” lg. (Figure 7 Item 2).
8.5.14 Adjust the Hex Flange Lock Nut (Figure 7 item 11) so the face of the Motor Support (Figure 7 item 4) is held against
the face of the Motor Adaptor (Figure 7 item 3). Do not tighten at this time.
8.5.15 Align the flats in the bore of the Motor Coupling (Figure 7 item 5) with the flats on the shaft of the Stepper Motor
(Figure 7 item 7).
8.5.16 Insert the Stepper Motor (Figure 7 item 7) shaft into the Motor Coupling (Figure 7 item 5) until the Face of the
Stepper Motor is flush with the face of the Motor Support (Figure 7 item 4).
8.5.17 Install the four (4) 1/4-20 x 1” lg. Button Head Socket Cap Screws (Figure 7 item 10) through the flange holes of the
Stepper Motor (Figure 7 item 7) and Motor Support (Figure 7 item 4), thread them into the Motor Adaptor (Figure 7
item 3) and tighten with a 5/32” Hex Key.
8.5.18 Tighten the outer Hex Flange Lock Nut (Figure 7 item 11).
8.5.19 Place the machine on a pipe.
8.5.20 Connect the Motor Cable to the Motor Assembly (Figure 8 item 3) and to the Motor Control Box.
