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F-163

F-163

TROUBLESHOOTING & REPAIR

WATER COOLER DISASSEMBLY (continued)

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Reservoir Removal

A.After you have completed the capacitor discharge procedure for all four switch boards, remove the water cooler assembly. Refer to the Water Cooler Removal and Replacement Procedure in this section of the manual.

B.Empty the coolant from the reservoir. Dispose of the coolant in a proper and approved manner.

C.With the Phillips head screw driver, remove the two screws holding the reservoir to the cooling tube support bracket.

D.With the Phillips head screw driver, remove the four screws holding the reservoir to the floor of the assembly.

E.With the pliers, carefully remove the two coolant hoses from the reservoir.

F.Carefully slide out and lift the reservoir free from the motor and fan blade.

G.After repair, install the reservoir by careful- ly setting it in place around the motor and fan blade. With the pliers, install the two coolant hoses to the reservoir. With the Phillips head screw driver, install the four screws holding the reservoir to the floor of the assembly and the two screws that hold it to the cooling tube support bracket. Replace the old coolant with fresh coolant and install the water cooler assembly into the machine according to the Water

Cooler Removal and Replacement Procedure in this section of the manual.

Motor/Pump/Fan Assembly Removal

A.Perform the Reservoir Removal procedure.

B.With the 3/4" open end wrench, remove the two coolant hoses attached to the motor/pump assembly.

C.Remove the four wires leading from the motor to the terminal block. Note the lead numbers and locations for reassembly.

D.With the Phillips head screw driver and the 5/16" box wrench, remove the four screws and nuts mounting the motor/pump/fan assembly to the mounting platform.

E.Carefully lift out the motor/pump/fan assembly.

F.Install the motor/pump/fan assembly by carefully setting in onto the mounting plat- form and attaching it with the four screws and nuts. Connect the four wire leads from the motor to the terminal block. Attach the two coolant hoses to the motor/pump assembly using the 3/4" open end wrench.

7.Install the reservoir according to the direc- tions in the Reservoir Removal procedure. Install the water cooler assembly according to the Water Cooler Removal and Replace- ment procedure in this section of the man- ual.

8.Install the machine case sides and top.

9.Install the handle and the lift bail rubber gasket.

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POWER WAVE 450

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Lincoln Electric SVM112-B service manual 163