Craftsman 3800 Operation Manual - Page 15

General Recommendations Regular maintenancewill improve the performance and extend the life of the pressure washer. Seeany Sears or other qualified service dealer for service. The pressure washer warranty does not cover items that have been subjected to operator abuse or negligence. To receivefull value from the warranty, the operator must maintain pressure washer as instructed in this manual including proper storage as detailed in Storage. Some adjustments will need to be made periodically to properly maintain your pressure washer. All service and adjustments should be made at least once each season. Follow the requirements in the Maintenance Schedule chart. NOTE:Oncea year you should clean or replace the spark plug and replace the air filter. A new spark plug and clean air filter assure proper fuel-air mixture and help your engine run better and last longer. Emissions Control Maintenance, replacement, or repair of the emissions controldevices and systemsmay be performedby any nonroad engine repair establishmentor individual. However, to obtain "no charge" emissions control service, the work must be performed by a factory authorized dealer. See the Emissions Warranty. Before Each Use 1. Checkengine oil level. 2. Clean debris. 3. Checkwater inlet screen for damage. 4. Check high pressure hose for leaks. 5. Checkgun and nozzleextension assembly for leaks. 6. Purge pump of air and contaminants. PRESSURWE ASHERMAINTENANCE Clean Debris Daily or before use, clean accumulated debris from pressure washer. Keep linkage, spring and controls clean. Keep area around and behind muffler free from any combustible debris. Inspect cooling air slots and openings on the pressure washer. These openings must be kept clean and unobstructed. Pressurewasher parts should be kept clean to reducethe risk of overheating and ignition of accumulated debris. • Use a damp cloth to wipe exterior surfaces clean. NOTICE Jlmproper treatment of pressure washer can damage it and _horten its life DONOTinsert anyobjectsthroughcoolingslots. • Use a soft bristle brush to loosen caked on dirt, oil, etc. • Use a vacuum cleaner to pick up loose dirt and debris. Check and Clean Inlet Screen Examinegarden hose inlet screen. Cleanif it is clogged or replace if it is torn. Check High Pressure Hose High pressure hoses can develop leaksfrom wear, kinking, or abuse, inspecthose before each use. Check for cuts, leaks,abrasions, bulging of cover, or damage or movement of couplings. If any of these conditions exist, replacehose immediately. WARHJHG he high pressure stream of water th_ quipment produces can cut through skin and its nderlying tissues, leading to serious injury and ossible amputation. NEVERrepairhighpressurehose.Replaceit. Replacemenht oseratingMUSTexceedmaximumpressure ratingof unit. Check Gunand Nozzle Extension Examine hose connection to spray gun and make sure it is secure. Test trigger by pressing it and making sure it springs back into placewhen you releaseit. Do not depress red button and test trigger. You should not be able to press trigger. Replace spray gun immediately if it fails any of these tests. Nozzle Maintenance A pulsing sensation felt while squeezing the spray gun trigger may be caused by excessivepump pressure. The principal cause of excessive pump pressure is a spray tip clogged or restricted with foreign materials, such as dirt, etc. To correct the problem, immediately clean the spray tip following these instructions: 1. Shut off engine and turn off water supply. 2. ALWAYS point spray gun in a safe direction, press red button and and squeezespray gun trigger to release retained high water pressure. WARHJHG The high pressure stream of water that this equipment produces can cut through skin and its )ossibie amputation. :_ underlying tissues, leading to serious injury and Spray gun traps high water pressure, even when engine is stopped and water is disconnected, which can cause injury. . Keephigh pressurehoseconnectedto pumpand spraygun whilesystemis pressurized. • ALWAYSpointspraygun in safedirection,pressred button and squeezespraygun trigger,to releasehigh pressuree, very time youstop engine. 15