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Manafacture: DeVillbiss Air Power Company File size: 424.1 kb File name: Language of manual:

4. Flush wand assembly backwards with water or compressed air. 5. If pressure is still too high, repeat steps 2-4. 4. CHECKING OIL: The pump is shipped with the correct amount of oil in it. This pump should never need any oil added or changed unless it develops a leak. A 30 weight non- detergent oil can be used in this pump (approximately 6 oz.). If pump is leaking oil take to an Authorized Service Center. HIGH PRESSURE HOSE: Damaged high pressure hoses can burst which can cause a potentially hazardous situation. High pressure hoses should not be kinked, crushed, twisted, or damaged in any way. Replace high pressure hose should this occur. 9 MAINTENANCE SCHEDULE FOR GAS ENGINE MAINTENANCE OPERATION EVERY 5 HOURS OR DAILY 25 HOURS OR EVERY SEASON 50 HOURS OR EVERY SEASON 100 HOURS OR EVERY SEASON Check Oil Level X Change Oil * X NOTE 1 Change Air Filter X NOTE 2 Replace or Clean Spark Plug X Clean exterior of pressure washer X NOTE 3 *Change oil after first 2 hours then after every 25 hours. Note 1: Change oil every 25 hours when operating under heavy load or in high temperatures. Note 2: Clean more often under dusty conditions. Note 3: Clean exterior with cloth or brush. Do not use high pressure spray to clean pressure washer or engine. TROUBLESHOOTING GUIDE PROBLEM CAUSE REMEDY Engine will not start or stops while operating. • Low on fuel. • Ignition switch in "Off" position. • Faulty spark plug. • Cold engine/engine not primed. • Unit loaded during start-up. • Spark plug wire loose. • Fuel tank not venting properly • Fill with gasoline. • Turn to "ON" position. • Replace spark plug. • Push primer 2 to 3 times. • Reduce pressure at pressure regulator knob. • Attach wire to spark plug. • Replace fuel tank cap. Engine is running but pump is not building maximum pressure or has irregular pressure. • Water faucet closed. • Unit has been allowed to freeze. • Garden hose kinked. • Water inlet screen clogged with debris. • Pressure regulator on pump not set correctly. • Unsuitable or worn out nozzle. • Air trapped in pump. • Open water faucet. • Thaw out unit completely. • Straighten hose. • Clean water inlet screen. • Adjust pressure regulator clockwise for more pressure. • Replace nozzle. • Run unit with gun open and wand removed. Engine is overloaded. • Nozzle partially blocked. • Clean nozzle. Water leaking from head. • Head O-Ring worn. • Take to Authorized Service Center. Water leaking from bottom of pump. Oil leaking from bottom of pump. • Piston seals worn. • Piston seals worn. • Take to Authorized Service Center. Noisy Pump. • Pump sucking air. • Take to Authorized Service Center. No low pressure detergent delivery. • Nozzle set in wrong position. • Siphon hose or filter plugged. • Siphon check valve clogged in pump. • Push nozzle forward. • Unplug siphon hose. • Take to Authorized Service Center. 10 ACCESSORIES/CLEANING SOLUTIONS/SERVICE PARTS HIGH PRESSURE ROTARY NOZZLE PART NUMBER WA100 • Fits DeVilbiss pressure washer gun • High pressure rotating spray for maximum cleaning • Durable ceramic nozzle • Brass thread connections eliminate leakage ANGLE ROTARY BRUSH KIT PART NUMBER WA200 • Fits DeVilbiss pressure washer wands • 7 in. dia. nylon brush with rotating brush • Adjustable- for angled surfaces • 2 ft. extension for added reach • Low pressure adapter included FIXED BRUSH KIT PART NUMBER WA250 • Fits DeVilbiss pressure washer wands • 7 in. x 3 in. soft nylon bristles • Tapered for cleaning in tight spots • 2 ft. extension for added reach • Low pressure adapter included HIGH PRESSURE HOSE (50' length, 5/16" I.D.) PART NUMBER WA300 • Fits DeVilbiss pressure washers • Replacement for 25 ft. hose • 50 ft. x 5/16 in. high pressure hose • Swivel fittings for easy connection 11 ACCESSORIES/CLEANING SOLUTIONS/SERVICE PARTS HEAVY DUTY DEGREASER (1 gallon pre-mixed) PART NUMBER WA401 • For use with DeVilbiss pressure washers • Cuts through grease and oil • Removes grease, oil, and other tough stains • Ideal for cleaning engines, grills, and farm equipment • Pre-mixed – ready to use • One U.S. gallon (3.79L) GENERAL PURPOSE CLEANER (1 gallon pre-mixed) PART NUMBER WA400 • For use with DeVilbiss pressure washers • Removes dirt and mildew without abrasives • Ideal for cleaning house exteriors, automobiles, and more • Pre-mixed – ready to use • Biodegradable • One U.S. gallon (3.79L) HANDLE/WHEEL KIT PART NUMBER K-0155 • Includes wheels and handle for portability • Includes brackets for convenient storage of gun, wand, and hose SERVICE PARTS PW-0021 Quick Disconnect Coupler PW-0024 Pressure Washer Gun PW-0025 Wand/Nozzle, 1.25 mm PW-0038 25' x 1/4" High Pressure Hose PW-0042 Siphon Tube & Filter PW-0044 Spark Arrester PW-0045 Air Filter 12 SERVICE NOTES 13 OWNERS MANUAL FOR DeVILBISS PRESSURE WASHER Model No. WG1420 Attach Sales Receipt Here. Retain Original Sales Receipt as Proof of Purchase for Warranty Repair Work. WARRANTY This product is covered by the DeVilbiss one year limited warranty (SP-100-E). The war...

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