Instruction Sheet
P/N 1029718A
ProBlue
t
Melter Main Circuit Board Service Kit - P/N 1028322
Use this service kit to replace the main circuit board in ProBlue melters,
models P4 and P7.
WARNING: Risk of personal injury or equipment damage! Refer to
the safety information provided in the melter manual before servicing
the melter. Failure to comply with the safety information provided
can result in personal injury, including death.
Tools:
Philips-head screw driver
Main Circuit Board
5.
Remove the Philips-head screw and
washers that secure the main circuit board to
the chassis.
6.
Slide the main circuit board out and replace it
with the new board. Replace the Philips-head
screw and washers.
3.
Remove or partially disengage the hose gun
modules from the main circuit board.
4.
Open the electrical enslosure door and
disconnect the voltage plug (J1/J2) and all cables
from the main circuit board (TB1, TB2, J6, J7, and
J8).
WARNING: Risk of electrocution! The control switch does not
remove high-voltage power from the melter. Before opening the
electrical compartment door, ensure that the local power
disconnect switch is in the off position and locked. Failure to
properly disconnect power from the melter can result in personal
injury, including death.
2.
Switch the melter off.
1.
Disconnect power to the melter at the local
power disconnect switch.
8.
Restore power to the melter and then
switch the melter on. Verify that the melter starts
normally.
7.
Connect the voltage plug and all cables
to the new circuit board and then close the
electrical enclosure door.
CAUTION: Before removing the new circuit
board from its anti-static bag, ground yourself by
touching the chassis of the melter or another
grounded structure. Failure to properly ground
yourself can cause electrostatic discharge
resulting in damage to the board.
J7
J8
J1
J2
TB1
J6
TB2
