FIELD REPAIR/SERVICE MICRO-TEMP
®
LT, Model 749
OPERATION AND TECHNICAL MANUAL
Page 54 of 75
E. Locate the water level sensor inserted above the heater on the heater mounting
plate. Refer to Figure (5-1) and Figure (6-5).
F. Remove water level sensor wire from the mounting plate by removing the nylon lock
nut using an 11/32” nut driver. Slide out the sensor wire. Set water level sensor
aside.
G. Insert and tighten the replacement water level sensor wire in the heater mounting
plate by securing with 8-32” nylon lock nut.
H. Reconnect the 2 pin water level sensor connector to the J3 Position on the control
board.
I. Check that all cables are still attached to control board before closing unit.
J. Reconnect front and rear enclosure as described in Section (5-2.2).
K. Refill the reservoir as described in Section (4-2.2).
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