Removal And Replacement Of Thermistor - Hoshizaki KM-251BAH Service Manual

8) Place the new condenser in position.
9) Remove the drier (located behind the upper, rear panel), then place the new drier in
position.
10) Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG.
11) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
12) Evacuate the system, and charge it with refrigerant. See the nameplate for the required
refrigerant charge.
13) Replace the removed parts in the reverse order of which they were removed, then
replace the panels in their correct positions.
14) Turn on the power supply.
I. Removal and Replacement of Thermistor
1. Fragile, handle very carefully.
2. Always use a recommended sealant (High Thermal Conductive Type), Model
KE4560RTV manufactured by SHINETSU SILICONE, Part Code 60Y000-11,
or Part Code 4A0683-01 equivalent.
3. Always use a recommended foam insulation (non-absorbent type) or
equivalent.
4. Do not shorten or cut the thermistor leads when installing it.
1) Turn off the power supply.
2) Remove the panels.
3) Disconnect the thermistor leads from the K3 connector on the control board.
4) Remove the plastic cable ties, foam
insulation, thermistor holder and thermistor.
5) Scrape away the old sealant on the thermistor holder and the suction pipe.
6) Wipe off moisture or condensation on the suction pipe.
7) Smoothly apply recommended sealant (KE4560RTV, Part Code 60Y000-11 or
4A0683-01) to the thermistor holder concave.
IMPORTANT
Thermistor Lead
Foam Insulation
35
Cable Tie
Thermistor Holder