CONTENTS Introduction & Important Safety Information Component Identification Set Up Procedures Operating Instructions Steam Combination Shutdown Procedures General Washing Techniques How to Use the Detergent Injector Preventative Maintenance and Service Maintenance and Service 11-12 Preventative Maintenance Schedule Troubleshooting 14-17 Exploded Views 18-19 Exploded View, Parts List 20-21...
INTRODUCTION & IMPORTANT SAFETY INFORMATION Thank you for purchasing this Pressure Washer. DANGER: Improper connection of the equip- ment-grounding conductor can result in a risk of We reserve the right to make changes at any time electrocution. Check with a qualified electrician or without incurring any obligation.
IMPORTANT SAFETY INFORMATION WARNING: High pressure spray WARNING: High pressure devel- WARNING WARNING can cause paint chips or other oped by these machines will particles to become airborne cause personal injury or equip- and fly at high speeds. To avoid ment damage.
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IMPORTANT SAFETY INFORMATION Follow the maintenance instructions specified in the manual. 620-622 • 9.800-187.0 • Rev. 9/10...
OPERATING INSTRUCTIONS to the 200° mark, then push the burner switch. SET UP PROCEDURES (Burner will light automatically.) For time delay shut down machines: Simply Place machine in a convenient location providing ample press pump switch "ON" and the machine will support, drainage and room for maintenance.
GENERAL CLEANING TECHNIQUES 2. Turn the thermostat knob to 270°. (The thermo- MAINTENANCE AND SERVICE stat is a high limit device and does not regulate temperature.) Pump Lubrication: 3. To stop, reverse steps 1 to 3 and set all controls to their original settings.
HOW TO USE THE DETERGENT INJECTOR WARNING: Some detergents 2. Place detergent pick-up tube into container of WARNING may be harmful if inhaled or detergent. ingested, causing severe nau- 3. Adjust the metering valve to desired detergent sea, fainting or poisoning. The concentration.
PREVENTATIVE MAINTENANCE & SERVICE Fuel Control System: and extended service life. If a smoky or eye-burning exhaust is being emitted from the stack, two things These machines utilize a fuel solenoid valve located should be checked. First, check the fuel to be certain on the fuel pump to control the flow of fuel to the that kerosene or No.
PREVENTATIVE MAINTENANCE & SERVICE Deliming Coils: Low Pressure Diagnosis: Periodic flushing of coils is recommended. Refer to Troubleshooting Chart for low pressure. If, by referring to the chart, the trouble is found to be either Step 1 Fill the float tank with 4 gallons of water, the unloader or pump, your next step is to determine then add 1 lb.
PREVENTATIVE MAINTENANCE & SERVICE High Limit Hot Water Thermostat: For safety, each machine is equipped with a high limit control switch. In the event the temperature of the water should exceed its operating temperature the high limit control will turn the burner off until the water cools. CAUTION: The thermostat uses a capillary tube.
PREVENTATIVE MAINTENANCE 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.
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING Faulty pressure gauge Test with 2nd gauge. If bad install new gauge. PRESSURE Insufficient water supply Use larger garden hose; clean water filter at inlet. Clean screen inside float tank. Old, worn or incorrect spray nozzle Match nozzle number to machine and/or replace with new nozzle.
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TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION MACHINE Improper fuel or water in fuel Drain tank and replace contaminated fuel. SMOKES Improper air adjustment Readjust air bands on burner assembly. Low fuel pressure Adjust fuel pump pressure to specification on fuel pump. Air leaks in fuel lines Check fuel lines for leaks or air bubbles.
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TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION RELIEF VALVE Spray nozzle plugged Remove nozzle and clean out obstruction. LEAKS OR Misadjusted or defective relief valve Adjust or replace as needed. SPRAYS OUT Scale or dirt plugging inside of coils “See “”Preventative Maintenance Cleaning of WATER Coil””.”...
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION PUMP NOISY Air in suction line Check water supply and connections on suction line. Broken or weak inlet or discharge Check and replace if necessary. valve springs Excessive temperature of liquid Reduce to below 60°C (140°F). Foreign matter in valves Check and clean if necessary.
EXPLODED VIEW - LEFT SIDE Line to Detergent Supply 66, 67 78 79 Line to Pump Thermostat (Enlarged View) Detail See Float Tank Illus. Detail See Control Panel Illus. Line to Pump 620-622 • 9.800-187.0 • Rev. 9/10...
EXPLODED VIEW - RIGHT SIDE Steam Option Line from Float Tank 70, 71 Detail See Pump Illus. 98001870-2 Detergent Pump 620-622 • 9.800-187.0 • Rev. 9/10...
EXPLODED VIEW PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 9.803-002.0 Face Plate, Belt Guard 8.711-785.0 Hose, 3/8" Push-On 24" 9.802-872.0 Tab, Belt Guard Mount 9.802-797.0 Screw, SS #10 x 1/2" Hex Head Tek 9.802-794.0 Nut, Cage, 1/4" x 12 Gauge 8.706-248.0 Plug 3/8...
FLOAT TANK EXPLODED VIEW To Pump FLOAT TANK EXPLODED VIEW PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 9.804-042.0 Tank, Float, 2-1/2 Gal., 9.802-061.0 Ball, Float, Black Plastic Blank 9.802-152.0 Swivel, 3/4" SAE FEM 8.749-328.0 Valve, Float, Plastic 9.802-261.0 Hose, 3/4"...
KT.1 SERIES PUMP EXPLODED VIEW 9.802-345.0 KT4035.1 Right 9.803-410.0 KT4035.1 Left 9.803-411.0 KT4040.1 Right 9.803-412.0 KT4040.1 Left 9.803-413.0 KT5030.1 Right 9.803-414.0 KT5030.1 Left 9.802-346.0 KT6035.1 Right 9.803-416.0 KT6035.1 Left TORQUE SPECS Item # Ft.-Lbs. KT.1 SERIES PUMP EXPLODED VIEW & PARTS LIST ITEM PART NO.
KT.1 SERIES PUMP EXPLODED VIEW & PARTS LIST ITEM PART NO. DESCRIPTION See Kit O-Ring Ø1.78 x10.82 See Kit Teflon Ring See Kit Plunger See Kit Copper Spacer 9.803-143.0 Plunger Rod 9.803-157.0 Connecting Rod 9.802-912.0 Snap Ring 9.802-915.0 Connecting Rod Pin 9.802-889.0 Spring Washer 9.802-937.0...
PA8 5-3026 UNLOADER EXPLODED VIEW PA8 5-3026 UNLOADER EXPLODED VIEW & PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 12.5000.00 3 x 1 El. Cable L. 1200 mm 60.0164.33 Washer 29.0082.84 Black Nut-40 bar 60.0015.51 Sst Spring 10.3109.92 O-Ring 2.4 x 7.3 mm 60.0134.21 Puls.
PA8 5-3026 UNLOADER EXPLODED VIEW & PARTS LIST ITEM PART NO. DESCRIPTION 60.0064.31 Piston Housing 15.1021.00 Pin 3 x 14 mm 60.0033.61 Blue Spring 60.0011.31 Spring Guide (sz.cappucc) 11.4574.00 M 8 Nut (sz.cappucc) 10.3213.08 O Ring 3 x 6 mm 60.0052.31 Check Valve 60.0053.51...
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LIMITED NEW PRODUCT Phone: 360-833-1600 ® WARRANTY—COMMERCIAL fax: 800-248-8409 PRESSURE WASHERS 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. This Limited Warranty, subject to the exclusions shown below, is calculated from the date of the original purchase, and applies to the original components only.
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® www.karchercommercial.com www.karchershark.com Form # 9.800-187.0 • Revised 9/10 • Printed in U.S.A. or Mexico...