Tweco CutMaster 101 with SL100SV User Manual

Page 103

Advertising
background image

Manual 0-4642

5-39

SERVICE

5

For IGBTs:

a. Apply a round thermal pad to the heatsink with a small piece of light-duty tape. The tape must cover no more than 1/

8" (3 mm) of the edge of the thermal pad. Use the screw hole in the heatsink as a guide to position the board.

Washer

Screw

Output Diode
or IGBT

Round
Thermal Pad

Art # A-03702

Tape

Tape

b. Secure replacement board(s) with the screw removed previously. Ensure that the washer is under the head of the

screw.

9. Torque screw(s) to 17 in-lb. (1.9 Nm).

NOTE

Failure to torque properly will cause component damage.

10. Connect wires per the chart.

IGBT A

Connector

To Main PCB

Connector

IGBT B

Connector

To Main PCB

Connector

J3

J25

J3

J31

J7

J30

J7

J26

E9, E11

E10

E9, E11

E27

E19, E21

E20

E19, E21

E30

E12, E17

E4

E12, E17

E23

IGBT A

IGBT B

CutMaster 101 IGBT Connections

11. Stand the unit upright; reinstall the cover.

Advertising