Kärcher HDS 3.9/30 Pe Cage Operator's Manual

Also see for HDS 3.9/30 Pe Cage: Operator's manual Operator's manual

Contents

9.800-080.0 - G • HDS 600-606PRESSURE WASHER Troubleshooting Guide18TROUBLESHOOTINGPROBLEM POSSIBLE CAUSE SOLUTIONOILDRIPPINGOil seal worn Check and replace if necessary.EXCESSIVEVIBRATION INDELIVERY LINEIrregular functioning of the valves Check and replace if necessary.DETERGENTNOT DRAWINGAir leak Tighten all clamps. Check detergent lines forholes.Restrictor in float tank is missing Replace restrictor. Check for proper orifice inrestrictor.Filter screen on detergent suctionhose pluggedClean or replace.Dried up detergent pluggingmetering valveDisassemble and clean thoroughly.High viscosity of detergent Dilute detergent to specifications.Hole in detergent line(s) Repair hole.Low detergent level Add detergent, if needed.PUMP RUNNINGNORMALLY BUTPRESSURE LOWON INSTALLATIONPump sucking air Check water supply and possibility of airseepage.Valves sticking Check and clean or replace if necessary.Nozzle incorrectly sized Check and replace if necessary(See serial plate for proper size).Unloader valve seat faulty Check and replace if necessary.Worn piston packing Check and replace if necessary.BURNERMOTOR WILLNOT RUNFuel pump seized Replace fuel pump.Burner fan loose or misaligned Position correctly, tighten set screw.Defective control switch Replace switch.Loose wire Check and replace or tighten wiring.Defective burner motor Replace motor.RELIEF VALVELEAKS WATERRelief valve defective Replace or repair.