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94MS42 Rev. B1 S/W Ver 2.06
voltage at the pump. If voltage is present at the pump connector, but the
pump fails to operate, replace the pump. If the control box LED is not
on, check the wiring and connections from the switch to the control box.
Pump Replacement
Vacuum pump replacement is straightforward. The front pump controls
the upper frame; the rear pump controls the lower frame. (Front and rear
as viewed by the operator.)
•
Remove the right side lower cabinet panel.
•
Disconnect the vacuum tubing from the pump. Push the outer ring on the
connector and pull the vacuum tubing out.
GTOOL
VACUUM
PUMP
VAC3
FRONT
LOWER
VACUUM
PUMP
VAC2
•
Disconnect the in-line electrical pump connection located approx. 6" from
the motor end of the pump.
•
Remove the four #
the isolation mounts. Then lift the pump out of the unit.
•
Remove the mounting plate from the defective pump. Install it to the
new pump.
•
Note the wire positions and remove the electrical harness from the
defective pump. Install it on the new pump.
•
Install the new pump in reverse order of removal and verify the correct
operation and rotation.
BRACKET
TRANS-
FORMER
5KVA, 480V
XMR1
LOWER
LAMPHEAD
UPPER
VACUUM
PUMP
VAC1
1
/
- 20 nuts that secure the pump mounting plate to
4
LOWER
POWER
SUPPLY
PS1
UPPER
POWER
SUPPLY
PS2
8-3
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