Insinger Admiral 44-4 User Manual
Page 21
MAINTENANCE PROCEDURES
Immersion Heater Replacement
1. The immersion heater MUST be completely
submerged at all times. If this is not the case
contact a qualified service technician. The
heated surface should never be in contact with
sludge. See dwg. SK-4703.
2. Remove the housing covering the wiring termi-
nations. Disconnect the immersion heater wires.
3. Remove the immersion heater by loosening and
removing the large hex nut.
4. Install in reverse of removal.
þ
NOTE:
Use plumbers putty as gasketing around the
immersion heater to minimize leaks.
Tank Heat Temperature Adjustment
1. A temperature control board is provided in the
control panel for easy adjustment of tank tem-
perature. Though tank temperature is adjusted
during the machines factory test it is sometimes
necessary to re-adjust the temperature at start-
up.
2. Locate the temperature control board (P/N
DE9-96). Use the control panel layout drawing
located in Section 4, Electrical Schematic and
Replacement Parts.
3. Adjust the tank temperature to the desired tem-
perature by turning the potentiometer located
on the temperature control board. An arrow on
the potentiometer indicates increase.
4. If the temperature does not change refer to
Troubleshooting Tank Temperatures in the
section below.
Steam Heat
1. If temperature does not change check the tem-
perature control board (P/N DE9-251) proper
operation. If the temperature control board is
faulty, replace.
2. Verify steam pressure per machine specifications.
3. Verify steam trap is not clogged. If so, replace.
Troubleshooting Tank Temperatures
Electric Heat
1. If temperature does not change check the tem-
perature control board (P/N DE9-251) proper
operation. If the temperature control board is
faulty, replace.
2. Verify tank heat contactor is working correctly.
If not, replace.
3. Verify all immersion heaters are working prop-
erly and not limed. If not, replace.
PART 5 MAINTENANCE & REPAIR PROCEDURES