LG Electronics 3600 operation manual Field Troubleshooting, Problem Cause Solution

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Field Troubleshooting

PROBLEM	CAUSE	SOLUTION

Unit doesn't prime	Airleak due to:
	• Loose Suction Nut	• Tighten Suction Nut
	• Worn O-Rings	• Replace O-Ring (106-011) on
		suction seat, & O-Ring (106-
		020) below suction seat
	• Hole in Suction Hose	• Replace Suction Hose (331-290)
	Stuck or Fouled Balls	Service outlet valve suction
		assembly

Unit primes but has no	Pressure set too low	Turn up pressure
or poor pressure	Filter(s) are clogged	Clean or replace gun filter, inlet
	Filter(s) are clogged	Clean or replace gun filter, inlet
		filter and/or manifold filter
	Outlet Valve fouled/worn	Service outlet valve
	Prime/Pressure Relief valve	Clean or replace prime valve
	bypassing
	Packings and/or piston worn	• Tighten packing nut
		• Repack unit

Unit does not maintain	Blown spray tip	Replace spray tip
good spraying pressure	Packings and/or piston worn	Repack unit
	Packings and/or piston worn	Repack unit
	Upper Seat worn	Replace upper seat

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Contents SERVICE/OPERATION Table of Contents Introduction IntroductionSafety Warnings Toxic Fluid HazardMedical Treatment Always ground all of these components Flushing Before Performing Adjustments or Repairs When Testing for SparkFlushing Daily Maintenance Airlessco Throat Seal Oil Ounce bottle Quart bottlePressure Relief Procedure USE Minimum PressureRemove the snap-on cover plate over the piston Grounding Setting Up to Stripe or SprayConnect the hose and gun Flush the sprayerPrepare the Material Adjusting the PressureStarting Up Starting the SprayerWhen Shutting off the Sprayer Avoiding Tip ClogsStriping Operation Refer to figure belowSpray GUN Spray TIP AssemblySpray Gun Operation Major Components of Spray GUN Reversible REV-TIPSpray Gun Troubleshooting Defects CauseTest the Pattern Correction Field Troubleshooting Problem Cause SolutionServicing the Fluid Pump Fluid Pump DisconnectServicing the Suction Assembly Servicing the Piston Rod Outlet ValvePacking Replacement Procedures Replacement InstructionsPacking Replacement Procedures Electrical Control Board Replacement Pressure Calibration on the Electrical Control BoardClutch Replacement Install NEW Clutch AS FollowsRemove Clutch AS Follows Troubleshooting Clutch Does Not Engage Gear Box Assembly Part No Part Number DescriptionSpray Gun Assembly Part No Gun Mount Assembly Part NoFrame Assembly Swivel Wheel Assembly Suction Assembly Part No Part Number Description QtyStriping Tip Guide Striping TIPOrifice Size Inches Accessoriesairlessco Quick F