Troubleshooting & repair – Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B User Manual

Page 223

F-163

WATER COOLER DISASSEMBLY

(continued)

TROUBLESHOOTING & REPAIR

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.

POWER WAVE 450