Hypertherm powermax65 Reference manual

Machine Interface Receptacle with Voltage
Divider PCB
Powermax65/85/105/125®
Câble d’interface de machine avec panneau
diviseur de tension
Powermax65/85/105/125®
Field Service Bulletin
Bulletin de service sur le terrain
806980
Revision 3 | Révision 3
July 2020 | Juillet 2020

Hypertherm Europe B.V.
Vaartveld 9, 4704 SE
Roosendaal, Nederland
31 165 596907 Tel
31 165 596901 Fax
31 165 596908 Tel (Marketing)
31 (0) 165 596900 Tel (Technical Service)
00 800 4973 7843 Tel (Technical Service)
[email protected]
(Technical Service Email)
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B301, 495 ShangZhong Road
Shanghai, 200231
PR China
86-21-80231122 Tel
86-21-80231120 Fax
86-21-80231128 Tel (Technical Service)
[email protected]
(Technical Service Email)
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Rua Bras Cubas, 231 – Jardim Maia
Guarulhos, SP – Brasil
CEP 07115-030
55 11 2409 2636 Tel
[email protected] (Technical Service Email)
Hypertherm Korea Branch
#3904. APEC-ro 17. Heaundae-gu. Busan.
Korea 48060
82 (0)51 747 0358 Tel
82 (0)51 701 0358 Fax
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TechSupportAP[email protected]
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GPO Box 4836
Sydney NSW 2001, Australia
61 (0) 437 606 995 Tel
61 7 3219 9010 Fax
[email protected] (Main Office Email)
TechSupportAP[email protected]
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Hypertherm (India) Thermal Cutting Pvt. Ltd
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Mohan Co-Operative Industrial Estate,
Mathura Road, New Delhi 110044, India
91-11-40521201/ 2/ 3 Tel
91-11 40521204 Fax
[e-mail] (Main Office Email)
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Hanover, NH 03755 USA
603-643-3441 Tel (Main Office)
603-643-5352 Fax (All Departments)
[email protected] (Main Office Email)
800-643-9878 Tel (Technical Service)
[email protected] (Technical Service Email)
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customer.ser[email protected] (Customer Service Email)
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877-371-2876 Fax (Return Materials Authorization)
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Delegación Álvaro Obregón
México, D.F. C.P. 01780
52 55 5681 8109 Tel
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[e-mail] (Technical Service Email)
Hypertherm Plasmatechnik GmbH
Sophie-Scholl-Platz 5
63452 Hanau
Germany
00 800 33 24 97 37 Tel
00 800 49 73 73 29 Fax
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82 Genting Lane
Media Centre
Annexe Block #A01-01
Singapore 349567, Republic of Singapore
65 6841 2489 Tel
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[email protected] (Marketing Email)
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Level 9, Edobori Center Building
2-1-1 Edobori, Nishi-ku
Osaka 550-0002 Japan
81 6 6225 1183 Tel
81 6 6225 1184 Fax
HT[email protected] (Main Office Email)
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Machine Interface Receptacle with Voltage Divider PCB
Powermax65/85/105/125 Field Service Bulletin 806980 3
Introduction
This Field Service Bulletin gives the procedure for installing an internal machine interface
receptacle, cables, and voltage divider printed circuit board (PCB).
The systems and components shown are for reference. Your system could be different in
appearance.
Tools and materials
Assorted Phillips®, TORX®, and blade screwdrivers
Grounded wrist strap (or similar grounding accessory)
7 mm wrench (Powermax105/125 only)
WAR NING
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before doing installation or maintenance.
All work requiring removal of the plasma power supply outer cover or panels
must be done by a qualified technician.
See the Safety and Compliance Manual (80669C) for more safety
precautions.
NOTICE
Static electricity can cause damage to printed circuit boards (PCBs). Use correct
precautions when you touch PCBs.
Keep PCBs in antistatic containers.
Put on a grounded wrist strap when you touch PCBs.

Machine Interface Receptacle with Voltage Divider PCB
4806980 Field Service Bulletin Powermax65/85/105/125
Kit 228697 contents (Powermax65 and Powermax85)
Kit 228884 contents (Powermax105 and Powermax125)
Figure 1 – Kit contents for kits 228697 and 228884
Disconnect the power and gas supply
1. Set the plasma power supply
to OFF (O) .
2. Disconnect the power cord
from the power source .
3. Disconnect the gas
supply .
Part number Description Quantity
075534 Plastite #6 X 5/16 pan head screw 4
223036 Machine interface receptacle with cables and voltage divider PCB 1
Part number Description Quantity
075534 Plastite #6 X 5/16 pan head screw 4
223263 Machine interface receptacle with cables and voltage divider PCB 1
7
8
1
2
34
5
6
1Machine interface receptacle
2Screws (4)
3Ground wire to air filter assembly
4Voltage divider PCB wire
5Voltage divider PCB
6Ground wire to middle panel
7Power PCB 4-pin connector
8Power PCB 2-pin connector
2
1
3
1
2
3

Machine Interface Receptacle with Voltage Divider PCB
Powermax65/85/105/125 Field Service Bulletin 806980 5
Remove the plasma power supply cover and component barrier
1. Remove the 16 screws from
the plasma power supply
cover.
2. Lift the cover up to remove it.
3. Remove the component
barrier .
4. Powermax105/125: Remove
the 2 mounting screws
from the end panel bracket.
5. Lift the end panel bracket
to remove it.
2
1
3
1
2
3

Machine Interface Receptacle with Voltage Divider PCB
6806980 Field Service Bulletin Powermax65/85/105/125
Install the machine interface receptacle with voltage divider PCB
1. Remove the protective cover from the rear panel.
2. Remove the fan shroud from the fan.

Machine Interface Receptacle with Voltage Divider PCB
Powermax65/85/105/125 Field Service Bulletin 806980 7
3. Attach the voltage divider PCB to the right of the fan with 2 screws (075534).
Torque the screws to 1.1 N·m (10 in·lb).
4. Make sure that the cables attached to the voltage divider PCB are installed below the solenoid
valve .
Powermax65/85
Powermax105/125
1
2
2
1
2
1

Machine Interface Receptacle with Voltage Divider PCB
8806980 Field Service Bulletin Powermax65/85/105/125
5. Make sure that the green and
yellow ground wire is at
the bottom of the machine
interface receptacle.
6. From the inside of the rear
panel, install the machine
interface receptacle in the
opening.
7. Install 2 screws (075534) in
opposite corners of the
machine interface receptacle,
as shown.
Torque the screws to 1.1 N·m
(10 in·lb).
8. Remove the screw that
attaches the green and
yellow ground wire from the
middle panel to the air filter.
9. Attach the green and yellow
ground wire from the machine
interface receptacle to the air
filter with the screw that you
removed in step 8.
Torque the screw to 1.7 N·m
(15 in·lb).
10. Make sure that the green and
yellow ground wire from the
middle panel is also attached
to the air filter with the screw
that you removed in step 8.
4
3
4
3
5
5

Machine Interface Receptacle with Voltage Divider PCB
Powermax65/85/105/125 Field Service Bulletin 806980 9
11 . Attach the green ground wire from the voltage divider PCB to the middle panel. Use the
screw that is in the middle panel.
Powermax65/85:
a. Install the ground wire
above the voltage divider
PCB and behind the
other cables, as shown.
b. Do you have the serial
interface port installed? If
you do, attach the green
and yellow ground wire
from the RS-485 serial
interface PCB to the
middle panel with the
same screw.
c. Torque the screw to
1.7 N·m (15 in·lb).
Powermax105/125:
a. Remove the nut and
washer from the screw.
Use a 7 mm wrench.
b. Install the ground wire
above the voltage divider
PCB and behind the
other cables, as shown.
c. Do you have the serial
interface port installed? If
you do, attach the green
and yellow ground wire
from the RS-485 serial
interface PCB to the
middle panel with the
same screw.
d. Install the washer.
e. Torque the nut to 1.7 N·m
(15 in·lb).
6
6
6

Machine Interface Receptacle with Voltage Divider PCB
10 806980 Field Service Bulletin Powermax65/85/105/125
Attach the machine interface cables to the power PCB
If you have a Powermax105 or Powermax125, go to page 13.
Powermax65/85
1. From the fan side of the plasma power supply, put the 2-pin connector and the 4-pin connector
through the right grommet .
a. Remove the grommet from the middle
panel.
b. Put the cables in the slot in the
grommet.
c. Put the connectors through the hole in
the middle panel.
d. Install the grommet in the middle panel.
1
1