® OPERATOR’S MANUAL MODEL # XPERT-HD 3.8/35 P XPERT-HD 3.5/40 P ORDER # 1.107-108.0 1.107-219.0 To locate your local Kärcher Commercial Pressure Washer Dealer nearest you, visit www.karchercommercial.com 8.780-016.
CONTENTS Important Safety Information ................................................................4-6 Component Identification ......................................................................... 7 Assembly Instructions .............................................................................. 8 Operating Instructions.........................................................................9-10 Detergent and General Operating Techniques ......................................
PRESSURE WASHER OPERATOR’S MANUAL INTRODUCTION & IMPORTANT SAFETY INFORMATION Thank you for purchasing this Pressure Washer. We reserve the right to make changes at any time without incurring any obligation. WARNING WARNING:This machine exceeds 85 db appropriate ear protection must be worn. Owner/User Responsibility: The owner and/or user must have an understanding of the manufacturer’s operating instructions and warnings before using this pressure washer.
WARNING TRIGGER GUN KICKS BACK - HOLD WITH BOTH HANDS 15. Be certain all quick coupler fittings are secured before using pressure washer. WARNING WARNING: Risk of injury. Disconnect battery ground terminal before servicing. 8. When in use , do not place machine near flammable objects as the engine is hot. 9. Oil burning appliances shall be installed only in locations where combustible dusts and flammable gases or vapors are not present. Do not store or use gasoline near this machine. 10. Use No.
PRESSURE WASHER OPERATOR’S MANUAL IMPORTANT SAFETY INFORMATION WARNING RISK OF INJURY FROM FALLS WHEN USING LADDER. WARNING: Be extremely careful when using a ladder, scaffolding or any other relatively unstable location. The cleaning area should have adequate slopes and drainage to reduce the possibility of a fall due to slippery surfaces. 21. Do not allow acids, caustic or abrasive fluids to pass through the pump. 22. Never run pump dry or leave spray gun closed longer than 1-2 minutes. 23.
PRESSURE WASHER COMPONENT IDENTIFICATION Detergent Injector Unloader Pressure Nozzle OPERATOR’S MANUAL Pump Protector Straight Through Wand Pump Spray Gun Detergent Bucket (not included) Inlet Screen Garden Hose (not included) Trigger Starter Grip High Pressure Hose Pump — Develops high pressure. Starter Grip— Used for starting the engine manually. Spray Gun — Controls the application of water and detergent onto cleaning surface with trigger device. Includes safety latch.
PRESSURE WASHER OPERATOR’S MANUAL ASSEMBLY INSTRUCTIONS Hose Hanger Screw Alignment Holes Handle Bolt Nut Knob Washer Frame Assy. STEP 1: Attach the handle to the frame of the pressure washer. Note: It may be necessary to move the handle supports from side to side in order to align the handle so it will slide over the frame supports. Nuts STEP 2: Insert the carriage bolt through the holes from the front of the unit and attach a knob from the back of the machine. Tighten Knobs with your hands.
Dipstick Oil Dipstick Oil Window STEP 2: Remove shipping cap and install oil dipstick. Check pump oil level by using dipstick or observe oil level in oil window (if equipped). Use 40 wt. non detergent oil. The Legacy Axial Pump does not require maintenance. Attemping to check oil on this pump may damage it and will void your pump warranty. OPERATOR’S MANUAL STEP 1: Check engine oil level. Oil level should be level with the bottom of the oil filler neck.
PRESSURE WASHER OPERATOR’S MANUAL OPERATING INSTRUCTIONS On-Off Switch STEP 8: Turn the engine switch to "On" position. On Briggs engines, move the throttle lever to "Fast" position, shown on the engine as a rabbit. STEP 9: Pull the starter grip. If the engine fails to start after 2 pulls, squeeze the trigger gun to release pressure 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.
WARNING WARNING: Some detergents may be harmful if inhaled or ingested, causing severe nausea, fainting or poisoning. The harmful elements may cause property damage or severe injury. Soap Nozzle Quick Coupler Strainer Detergent Injector Discharge Nipple High Pressure Hose CLEANING TIPS Pre-rinse cleaning surface with fresh water.
PRESSURE WASHER OPERATOR’S MANUAL SHUTTING DOWN AND CLEAN-UP On-Off Switch STEP 1: Remove detergent suction tube from container and insert into one gallon of fresh water. Slide nozzle forward for low pressure or to connect black detergent nozzle. Pull trigger on spray gun and siphon water for one minute. STEP 2: Turn off the engine. STEP 3: Turn off water supply. Pump Water Inlet Safety Latch Discharge Nipple STEP 4: Press trigger to release water pressure.
PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING PRESSURE Insufficient water supply. Closed faucet. Inlet hose kinked Use larger garden hose; clean inlet water screen. Open faucet. Clogged inlet hose strainer Check plumbing system for leaks. Retape leaks with teflon tape. Faulty or mis-adjusted unloader valve Adjust unloader for proper pressure. Install repair kit when needed. Call local distributor. Worn packing in pump Call Dealer Customer Support.
PRESSURE WASHER Troubleshooting Guide TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION ENGINE OPERATES FOR 15 MINUTES THEN STOPS Not enough gas or engine oil Fill tank with gas. Check oil level. Vapor lock developed by heat of day Keep gas tank full to avoid vapor locking. Obstruction in fuel filter Clean or replace fuel filter. ENGINE LACKS POWER Dirty air filter Replace air filter. ENGINE FALTERS Choke is opened too soon Move choke to halfway position until engine runs smoothly.
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 preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer. Perform maintenance more often under severe conditions.
PRESSURE WASHER HOSE & SPRAY GUN ASSEMBLY 6 3 OPERATOR’S MANUAL 2 4 1 5 HOSE & SPRAY GUN ASSEMBLY PARTS LIST ITEM PART NO. DESCRIPTION QTY 1 8.739-026.0 8.739-011.0 8.739-021.0 Hose, 3/8” X 50’ 1 Wire Tuff-Skin (PD Models) Hose, 3/8” X 50’ 1 Wire Tuff-Skin (DA Models) Hose, 3/8” X 50’ 1 Wire Tuff-Skin (Xpert HD and DD Models) 1 1 1 2 8.750-247.0 Gun, M407 1 3 8.783-040.0 Wand, 44” With Side Grip 1 4 9.104-030.0 9.802-295.0 9.802-296.0 9.802-297.0 8.932-298.0 9.802-311.
Check pump oil and engine oil level before first use of your new pressure washer. Date Oil Changed Month/Day/Year Estimated Operating Hours Since Last Oil Change Date Oil Changed Month/Day/Year Estimated Operating Hours Since Last Oil Change PRESSURE WASHER OIL CHANGE RECORD OPERATOR’S MANUAL 17 8.780-016.0 • Xpert-HD • Rev.
PRESSURE WASHER WARRANTY LIMITED NEW PRODUCT WARRANTY—COMMERCIAL PRESSURE WASHERS Phone: 360-833-1600 Fax: 800-248-8409 www.karchercommercial.com WHAT THIS WARRANTY COVERS All Kärcher commercial pressure washers are warranted by Kärcher to the original purchaser to be free from defects in materials and workmanship under normal use, for the periods specified below.
® www.karchercommercial.com Form #8.780-016.0 • Xpert-HD • Revised 07/13 • Printed in U.S.A.
