Kärcher Landa VLP Series Operator's Manual

Contents

Kärcher Landa VLP Series Operator's Manual Manual pdf 30 page image

30MaintenanceTroubleshootingPROBLEM POSSIBLE CAUSE SOLUTIONLOW OPERATINGPRESSUREFaulty pressure gauge Install new gauge.Insufficient water supply Use larger garden hose; clean filterwasher at water inlet.Old, worn or incorrect spray nozzle Match nozzle number to machine and/or replacewith new nozzle.Belt slippage Tighten or replace; use correct belt.Plumbing or hose leak Check plumbing.Faulty or misadjusted unloader valve(where applicable)Adjust unloader for proper pressure.Install repair kit when needed.Worn packing in pump Install new packing kit.Fouled or dirty inlet or dischargevalves in pump Clean inlet and discharge valves.Worn inlet or discharge valves Replace with valve kit.Obstruction in spray nozzle Remove obstruction.Leaking pressure control valve (whereapplicable) Rebuild or replace as needed.Detergent metering valve left opensucking air, or faulty metering valve Close and/or replace metering valve.Slow motor RPM Check incoming voltage.LOW WATERTEMPERATUREImproper size of gas lines See pages 7-8 for sizing of gas lines.Low gas pressure Increase gas pressure to machine.Improper pressure regulator Specify BTU, building gas pressure and 11 w.c.i. tomachine for correct sizing of regulator.Low gas valve pressure Increase gas pressure as described in Gas ValveRegulator Adjustment section.Soot buildup on coils not allowing heattransfer Clean coils.Improper burner nozzle See exploded view parts list.Landa VNG Operator’s Manual 8.913-939.0 - AB