Insinger Commander 18-5 User Manual
Page 20
2. Remove the pump motor and impeller by
removing the 4 hex bolts attaching them to the
pump housing.
3. Repair or replace the pump parts as required.
4. Reassemble in reverse of disassembly.
Immersion Heater Replacement
See dwg. #SK-4703
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.
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. 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
next section.
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 specifica-
tions.
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 3 MAINTENANCE & REPAIR PROCEDURES
Pump Disassembly (Continued)