Operation Manual

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Robot Gun Cleaning Station© Kemppi Oy 2016 1616

OPERATING MANUAL

14. TROUBLESHOOTING

If the measures described below are not successful, please consult your dealer or the manufacturer.

Also consult the operating instructions for the welding components: the welding power source, welding torch system,

re-circulating cooling unit, and so on.

Problem Cause Solution

Compressed-air motor does not run • Compressed-air supply or hose connection interrupted

• Compressed-air supply or hose connection interrupted

• Check all supply lines leading to the cylinder and the ttings

• Motor defective; replace

• Replace directional valve Y2

Insucient cleaning • Milling cutter defective or worn out • Replace milling cutter

Welding torch parts damaged • Wrong equipment parts • Check torch-dependent parts (milling cutter and clamping prism)

• Check immersion depth of torch

Table 12: Troubleshooting the injection unit

Problem Cause Solution

No injection • Insucient uid level

• Compressed-air supply or hose connections

interrupted

• Directional valve Y4 does not switch

• Add more anti-spatter uid

• Check all supply lines leading to the cylinder and the ttings

• Replace directional valve Y4

Too much or too little spray mist • Metering quantity incorrectly adjusted • Change setting of throttle screw

Too little spray mist • Injection time too short

• Operating pressure too low

• Injection time greater than waiting time

• Check operating pressure

No spray mist • Operating pressure too low • Check operating pressure

Table 13: Troubleshooting the wire-cutting device

Problem Cause Solution

No cutting function • Compressed-air supply or hose connection interrupted

• Directional valve Y3 does not switch

• Check all supply lines leading to the cylinder and the ttings

• Check signal output of robot control

• Replace directional valve Y3

Insucient cutting capacity • Too low working pressure

• Roughly running slide

• Worn cutting edge

• Check the adjustment of the pressure regulator: min. 5 bar, max. 8 bar

• Unmount movable parts; clean and lubricate them

• Clean more often

• Change approach position P4

• Change the cutter

Free wire end is bent • The wire has no contact with the xed jaws

• Counter-support jammed

• Correct the approach position of the welding torch

• Unmount movable parts; clean and oil them

• Tighten the mounting screws