Lincoln Electric IM438-B manual Heat Exchanger Maintenance, Reservoir Maintenance

D-1 MAINTENANCE D-1

WARNING

ELECTRIC SHOCK can kill.

•Disconnect input power by removing plug from receptacle before working inside Cooler.

•Do not operate with covers removed.

•Use only grounded receptacle.

•Do not remove the power cord ground prong.

•Do not touch electrically “hot” parts inside Cooler.

•Have qualified personnel do the installation, main- tenance and troubleshooting work.

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HEAT EXCHANGER MAINTENANCE

To maintain maximum efficiency, the heat exchanger should be kept clean from dust and dirt buildup. Clean the heat exchanger periodically using a vacuum hose or low pressure air line. Avoid placing the unit near a flux hopper or a flux waste container. A clean heat exchanger offers better cooling performance and longer product life. If extremely dirty conditions exist, it may be necessary to remove the heat exchanger completely from the Cooler for a thorough soap and water cleaning of the cooling fins. Use care to avoid damaging the fins.

RESERVOIR MAINTENANCE

The reservoir volume should be checked daily before using the Cooler. Remove the reservoir fill cap and check the coolant level. Unit is full when the coolant lies just below the reservoir fill opening with the unit in an upright position. Keep the reservoir full especially after changing the water lines.

The Cooler should always be operated with the reser- voir fill cap on. In areas where dust can be introduced into the reservoir through water lines or reservoir fill cap removal, periodically flush the unit out. Dump the old coolant and rinse the inside of the reservoir. Add new coolant when finished. A reservoir free from parti- cle buildup and dirt offers better cooling efficiency and longer pump, gun and torch life.

S20095-1 Pump Replacement Kit (60 psi) for Magnum Cooler 20-I Units:

S20095-3 Pump Replacement Kit (45 psi) for Magnum Cooler 10-I Units:

Both the S20095-1 and S20095-3 Pump Replacement Kits consist of a molded pump head equipped with all internal pump components to replace a failed pump or cracked pump head of a Magnum Cooler. The Pump Replacement Kit includes a complete pre-assembled pressure switch assembly and pump assembly. Although the Pump Replacement Kit costs more than the Pump Rebuild Kit, the time to install it is less and saves money when down time is costly. When repair- ing the Cooler pump, follow the instructions supplied with the kit. The only tool needed for installing the S20095-1 or S20095-3 Pump Replacement Kit is a Phillips head screw driver. Reference Parts Section for a parts list of the Pump Replacement Kit.

S20095-2 Pump Rebuild Kit for Magnum Cooler 10-I and 20-I Units:

The S20095-2 Rebuild Kit consists of a all the neces- sary internal components to rebuild the most common “soft” pump failure that occurs in a Magnum Cooler. Water will slowly drip from the pump head when the pump experiences a “soft” failure. The rebuild proce- dure is more involved than the pump replacement pro- cedure but is more cost efficient when labor rates are low or when down time is not critical. The only tool needed for rebuilding the pump is a Phillips head screw driver. Follow the instructions supplied with the kit when rebuilding the pump head. Reference Parts Section for the S20095-2 Magnum Cooler Pump Rebuild Kit.

MAGNUM COOLER 10-I & 20-I