Archive – Ransburg MGS Multi-Gun Source 76789, 77046 User Manual

Page 28

CP-99-01

ALWAYS

ALWAYS double check that the MGS unit

is unplugged from its AC outlet BEFORE

BEFORE

working with any internal wiring.

2. Using a screwdriver, disconnect damaged line
cord from 1TB-L1, 1TB-N and 1TB-ground.

3. Cut wire ties securing line cord.

4. Loosen the line cord grommet on bottom panel
and pull damaged cord out.

5. Insert new line cord (see PARTS IDENTIFI-
CATION section of this manual to order)
through grommet and connect to 1TB as
follows:

6. Close cabinet door, secure and plug MGS unit
back in.

1. Ensure MGS unit is unplugged from AC outlet
and open cabinet door.

AC Line Cord

W A R N I N G

6. Tighten bottom panel grommet. Resecure
cable assembly with wire ties.

7. Close cabinet door, secure and plug MGS unit
back in.

1TB-Ground

Line Cord Ground

1TB-N Line Cord Neutral/Common
1TB-L1

Line Cord Hot/Line

1. Ensure MGS unit is unplugged from AC outlet
and open cabinet door.

2. Remove fittings from flow switch threads.

3. Remove two wires from flow switch terminals.

4. Remove defective flow switch.

5. Attach two wires to new flow switch terminals.
(See PARTS IDENTIFICATION section of

Flow Switch

1. Ensure MGS unit is unplugged from AC outlet
and open cabinet door.

2. Disconnect plugs TB1, TB2, TB3, TB4 and
TB5 from MGS PC board mounted inside
cabinet door.

3. Remove eight mounting screws from MGS
board and lift the board out.

this manual for ordering information). It does
not matter which one goes where.

6. Place new flow switch in place of old flow
switch and secure fittings.

7. Close cabinet door, secure screws and plug
MGS unit back in.

PC Boards

Control Unit PC Board

C A U T I O N

1. Ensure MGS unit is unplugged from AC outlet
and open cabinet door.

2. Disconnect plugs 6PL, 7PL and 9PL (see
Figure 9) from control unit PC board mounted
on inside of cabinet door.

3. Remove two screws from heat sink base and
lift the PC board out.

> DO NOT

DO NOT

DO NOT remove the PC board from the

heat sink as it is an integrated assembly.

4. Insert new PC board (see PARTS IDENTIFI-
CATION section of this manual for ordering
information) and secure the two heat sink
screws.

5. Reconnect plugs 6PL, 7PL and 9PL to PC
board.

6. Close cabinet door, secure and plug MGS unit
back in.

MGS PC Board

2 4

MGS Multi-Gun Source - Maintenance

ARCHIVE