Karcher hd 4.0/50 pb cage; hd 4.5/50 pb cage; hd 3.4/30 db cage; hd 3.7/35 pb cage; hd 4.0/40 pb cage pressure washer with combustion engine (21 pages)
Page 1
OPERATOR’S MAN U AL MODEL # ORDER # HD 3.0/27 G 1.107-270.0 HD3.0/27 GB 1.107-271.0 HD 3.4/35 G 1.107-272.0 HD 3.3/35 GB 1.107-273.0 HD 4.0/40 G 1.107-274.0 HD 4.0/40 GB 1.107-275.0 HD 4.0/40 Ge 1.107-276.0 HD 4.0/40 GeB 1.107-277.0 KNA, Inc.4555 Airport Way Denver, CO 80239...
Detergent and General Operating Techniques ........11 Shut Down and Clean-Up ..............12 Storage ....................12 Troubleshooting (Models: HD 3.0/27 G, HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge) ................13-14 Preventive Maintenance (Models: HD 3.0/27 G, HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge) .............. 15 Troubleshooting (Models: HD3.0/27 GB, HD 3.3/35 GB,...
INTRODUCTION & IMPORTANT SAFETY INFORMATION WARNING: Keep wand, hose, and WARNING water spray away from electric Thank you for purchasing this Pressure Washer. wiring or fatal electric shock may We reserve the right to make changes at any time result. without incurring any obligation.
Page 5
IMPORTANT SAFETY INFORMATION 12. Never make adjustments on machine while in op- WARNING: This product contains chemicals known eration. to the state of California to cause cancer and birth defects or other reproductive harm. Operation of 13. Be certain all quick coupler fi ttings are secured this equipment may create sparks that can start before using pressure washer.
IMPORTANT SAFETY INFORMATION 20. Never run pump dry or leave spray gun closed longer than 1-2 minutes. 21. Machines with shut-off spray gun should not be operated with the spray gun in the off position for extensive periods of time as this may cause dam- age to the pump.
ASSEMBLY INSTRUCTIONS Spray Spray Pressure Gun/Wand Nozzle Safety Wand Latch Wand Coupler High Pressure Hose STEP 1: Attach the high pressure STEP 2: Attach wand to spray gun STEP 3: Pull spring-loaded collar hose to the spray gun using tefl on using tefl...
OPERATING INSTRUCTIONS Dipstick Oil Dipstick Oil Window STEP 1: Check engine oil level. Oil level should be level with the bottom STEP 2: Remove shipping cap and of the oil fi ller neck. Be sure the machine is level when checking the oil install oil dipstick.
Page 10
OPERATING INSTRUCTIONS On-Off Switch STEP 8: Turn the engine switch to "On" position. STEP 9: Pull the starter grip. If the engine fails to start after 2 pulls, squeeze the trigger gun to release pres- sure and repeat step. Return starter gently. After the engine warms up enough to run smoothly, move choke to run position and throttle to fast position.
DETERGENT AND GENERAL CLEANING TECHNIQUES WARNING: Some detergents THERMAL PUMP PROTECTION WARNING may be harmful if inhaled or If you run the engine on your pressure washer for 1-2 ingested, causing severe nau- minutes without pressing the trigger on the spray gun, sea, fainting or poisoning.
SHUTTING DOWN AND CLEAN-UP On-Off Switch STEP 1: Remove detergent suc- STEP 2: Turn off the engine. STEP 3: Turn off water tion tube from container and insert supply. into one gallon of fresh water. Slide nozzle forward for low pressure or to connect black detergent nozzle.
TROUBLESHOOTING For Models: HD 3.0/27 G, HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING Insuffi cient water supply. Closed Use larger garden hose; clean inlet water PRESSURE faucet. Inlet hose kinked screen. Open faucet.
TROUBLESHOOTING For Models: HD 3.0/27 G, HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge PROBLEM POSSIBLE CAUSE SOLUTION ENGINE OPERATES Not enough gas or engine oil Fill tank with gas. Check oil level. FOR 15 MINUTES Vapor lock developed by heat of day Keep gas tank full to avoid vapor locking.
PREVENTATIVE MAINTENANCE For Models: HD 3.0/27 G, HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge This pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventa- tive maintenance procedures will assist in preserving the performance of your equipment.
Page 16
TROUBLESHOOTING For Models: HD3.0/27 GB, HD 3.3/35 GB, HD 4.0/40 GB HD 4.0/40 GeB PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING Faulty pressure gauge Install new gauge. PRESSURE Use larger supply hose; clean fi lter at water Insuffi cient water supply inlet.
Page 17
TROUBLESHOOTING For Models: HD3.0/27 GB, HD 3.3/35 GB, HD 4.0/40 GB HD 4.0/40 GeB PROBLEM POSSIBLE CAUSE SOLUTION WATER OR OIL A small amount of leaking is If excessive leaking occurs, call local LEAKING FROM normal distributor. BOTTOM OF PUMP PRESENCE OF Water sprayed at machine Change oil.
Page 18
TROUBLESHOOTING For Models: HD3.0/27 GB, HD 3.3/35 GB, HD 4.0/40 GB HD 4.0/40 GeB PROBLEM POSSIBLE CAUSE SOLUTION SPRAY WAND Spray wand not properly attached Slide the spray wand into the gun. Turn the LEAKS wand collar clockwise onto the spray gun threads until tight.
Page 19
Wand 44" Zinc Plated, Handle & Coupler (HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge, HD 3.3/35 GB, HD 4.0/40 GB, HD 4.0/40 GeB) Quick Connect Nozzle Kit (3.5) (HD 3.0/27 G, HD 3.4/35 G and HD 3.3/35 GB) ▲ Nozzle, SAQCMEG, 0003.5, Red 8.712-337.0...
OIL CHANGE RECORD Check pump oil and engine oil level before fi rst use of your new pressure washer. Estimated Operating Estimated Operating Date Oil Changed Hours Since Last Date Oil Changed Hours Since Last Month/Day/Year Oil Change Month/Day/Year Oil Change •...
Page 21
KNA, Inc.4555 Airport Way Denver, CO 80239 Form #9.801-759.0 • Revised 11/15 • Printed in U.S.A. or Mexico...