Lincoln Electric IM438-B manual Troubleshooting

Page 27

E-3

TROUBLESHOOTING

E-3

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

Leak at inlet/outlet connector

 

a. Loose connector fitting.

a. Tighten connector nut. (5/8-18

 

 

 

block.

 

 

left hand thread).

 

 

 

 

 

b. Hose clamp loose.

b. Tighten hose clamp onto hose.

 

 

 

 

 

 

 

 

 

 

Torch or gun runs hot.

 

a. Unit placed by area of extreme

a. Move unit away from hot air.

 

 

 

 

 

heat.

 

 

 

 

 

 

b. Low coolant flow.

b. See Low Coolant Flow

 

 

 

 

 

 

Section.

 

 

 

 

 

c. No coolant flow.

c. See No Coolant Flow Section.

 

 

 

 

 

d. Fan not operating.

d. Reference fan section.

 

 

 

 

 

e. Heat exchanger clogged.

e. Clean heat exchanger.

 

 

 

 

 

 

 

 

 

 

Fan operates but there is low

 

a. Leak in torch/gun or hoses.

a. Repair leak.

 

 

 

coolant flow.

 

b. Torch/gun or hoses partially

b. Clear obstruction.

 

 

 

 

 

obstructed.

 

 

 

 

 

 

c. Reservoir empty or very low.

c. Refill reservoir.

 

 

 

 

 

d. DC+ or DC- connection loose

d. Secure DC+ or DC- connec-

 

 

 

 

 

on rectifier bridge.

tors on rectifier bridge.

 

 

 

 

 

e. Pressure low (pump motor fail-

e. Replace pump motor.

 

 

 

 

 

ing).

 

 

 

 

 

 

f. One or more pump stages

f. Repair the pump with S20095-

 

 

 

 

 

have failed.

1 or S20095-3 Pump

 

 

 

 

 

 

Replacement Kit or S20095-2

 

 

 

 

 

 

Pump Rebuild Kit.

 

 

 

 

 

 

 

 

 

 

Fan operates but there is no

 

a. Pump motor failure.

a. Replace pump motor.

 

 

 

coolant flow.

 

b. Pump head seized (bearing

b. Replace pump head with

 

 

 

 

 

failure).

S20095-1 or S20095-3 Pump

 

 

 

 

 

 

Replacement Kit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

MAGNUM COOLER 10-I & 20-I

Image 27
Contents Magnumcoolers 10-I and 20-I March California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE SûretéOFF Explanation of Symbols That Appear on this EquipmentTable of Contents Installation MIGTIG Product Description Product Overview InstallationFilling the Reservoir Water Line ConnectionProper Coolant Addition T15008 Nipples Scheme Cooler 10-I Mounting Scheme Water Cooled Equipment Installation Coolant OUT GUN Cable Coolant OUT K529-10 Power Input Cable Connection K529-10 Power Input Cable with Water GAS LinesOperation Safety PrecautionsOperating Precautions Lighted Power SwitchFAN Motor and FAN Blade Magnum System MonitorDemand System with Water Valve or SOLE- Noid Surge ProtectionResult the GUN or Torch Feels HOT- TER Pump FailureCooling Efficiency Result the GUN or Torch Feels COOL- ERPAC Circulation of Magnum CoolerParts Description for Magnum Cooler Accessories AccessoriesMaintenance Heat Exchanger MaintenanceReservoir Maintenance Troubleshooting Guide TroubleshootingDo not Leave Power Troubleshooting Troubleshooting Diagrams Magnum Coolers Codes 9743 Thru Precaucion Warnung