DRS27 User’s Guide Chapter 7: Operator Training
0027.00.902
7 -25
Event #4: Preheating Board to 120˚C
There is no operator involvement during this event. This is a temperature based event.
The temperature sensor will monitor the board temperature. It is displayed under
Thermocouple
System
. The bottom heater is displayed and will heat the board until the set/programmed temperature is
reached.
NOTES:
Board preheating time will vary depending on the initial temperature of the bottom heater, board
and machine.
Board preheating temperature may be programmed differently for various assemblies. During this
step, there is no operator involvement. The bottom heater heats the board until the
set/programmed temperature is reached. Preheating does take time, but is important for reliable
rework.
The time to heat the board will vary depending on the board.
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