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Read instructions carefully before attempting to assemble, install, operate or service this pressure
washer. Failure to comply with instructions could result in personal injury and/or property damage!
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SERIAL NUMBER:
DATE PURCHASED:
FOR SALES AND SERVICE, PLEASE CONTACT:
SPECIFICATIONS
Pump Volume At Pump Head: 6.0 GPM/360 GPH
Pump Pressure At Pump Head: 3000 PSI
Burner Type: Fuel Oil Fired - 528,000 BTU/Hr.
Burner Fuel Pressure: 135 PSI
Machine Power: 24 HP Gasoline Engine, Electric Start
Machine Weight: 1025 Lbs.
Shipping Weight: 1200 Lbs.
Exhaust Stack Size: 8"
Machine Dimensions: Length = 61.5", Width = 32", Height = 50.5"
MODEL 5645
OPERATING INSTRUCTIONS
THE HOTSY CORPORATION
21 INVERNESS WAY EAST
ENGLEWOOD, CO 80112
(303) 792-5200
WWW.HOTSY.COM
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Table of Contents
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Summary of Contents for Hotsy 5645
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Page 1: Operating Instructions
MODEL 5645 OPERATING INSTRUCTIONS Read instructions carefully before attempting to assemble, install, operate or service this pressure washer. Failure to comply with instructions could result in personal injury and/or property damage! SPECIFICATIONS Pump Volume At Pump Head: 6.0 GPM/360 GPH Pump Pressure At Pump Head: 3000 PSI Burner Type: Fuel Oil Fired - 528,000 BTU/Hr. -
Page 3: General Safety Information
Keep operat- result in injury from a whipping wand. ing area clear of all persons. 20. Hotsy will not be liable for any changes made to our standard machines, or any components not purchased from Hotsy. - Page 4 Hour Meter Pump Key Switch Fresh Float Water Inlet Tank Burner Fuel Tank Detergent Inlet Hoses Battery Engine Unloader Gas Tank Valve Porta Gear Kit (Optional) Figure 1 - Machine Layout Page 4 Hotsy 5645 • 97-6580 • Rev. 8/03...
- Page 5 971576 Valve, Detergent, Dual Metering 296391 Lid, 24" Painted 785061 Muffler Top Mount 817313 Cap, Tank w/Gas Gauge 5-01094 Engine, Gas, 24 HP , Honda 241207 Coil, Oil, 22" Not Shown Hotsy 5645 • 97-6850 • Rev. 8/03 Page 5...
- Page 6 INTRODUCTION Thank you for purchasing a Hotsy Pressure Washer. This manual covers the operation and maintenance of the 5645 pressure washer. All information in this manual Pressure is based on the latest product information available at Hose the time of printing.
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Page 7: Installation
Battery WARNING: Batteries generate explosive gases dur- ing normal battery operation. DO NOT expose the bat- tery to flame or sparks as these gases may ignite. Hotsy 5645 • 97-6850 • Rev. 8/03 Page 7... -
Page 8: Gasoline Engine
A 1/2" NPT 3-way ball valve will need to be installed in Operation for details). Loosen two locking screws found the water inlet line. Refer to Figure 7. Hotsy recommends in the air shutter openings (refer to Figure 6) and close... -
Page 9: Fuel Pump
AC generator operation the throttle control MUST be Fuel Pump kept in full throttle position as soon as choke lever is The model 5645 is equipped with an electric fuel pump placed in no choke position. which operates only when the engine is running. The 7. -
Page 10: Maintenance
An optional hour meter (P/N 783865) is available for use 4. Turn key on engine counterclockwise (CCW) to OFF on the Model 5645. The hour meter will monitor the total position. hours of operation of the pressure washer to signal when 5. -
Page 11: Heating Coil
This will restrict the airflow through the coil, further aggravating the soot Refer to battery manufacturer’s literature for recom- buildup. Contact your local service center when desooting mended maintenance is needed. Hotsy 5645 • 97-6850 • Rev. 8/03 Page 11... - Page 12 Nipple, Hose 3/8" NPT x 1/4" HC800 Pump, HC800 615285 Bushing, Reducer 1/2" x 3/8" 644602 Swivel, 3/4" Push-On 935165 Screen, Suction 644603 Swivel, 1/2" Push-On 644600 Elbow, 1/2" JIC ✽ Order Amount In Feet Page 12 Hotsy 5645 • 97-6580 • Rev. 8/03...
- Page 13 Description Qty. 875651 Pressure Switch 971580 Unloader Valve, 3000 PSI 801102 Nipple, 3/8" Hex x 1.45" 698025 Nipple, 3/8" NPT x 1/2" H 644751 Elbow, 3/8" 815220 Bush, 1/2" x 3/8" Hotsy 5645 • 97-6850 • Rev. 8/03 Page 13...
- Page 14 Figure 11 - Float Tank Assembly Ref. No. Part No. Description Qty. 334937 Rod THD, 1/4" x 11" 807169 Ball, Plastic Float 4" 952721 Tank, Float 971421 Float Valve Page 14 Hotsy 5645 • 97-6580 • Rev. 8/03...
- Page 15 Ref. No. Part No. Description Qty. 875061 Generator 919541 Pulley, BK40H 809150 Belt, BX22 830569 Pulley, 3TB40 815200 Bushing, P1 x 1 1/8" 809010 Belt, BX41 919560 Pulley, 2BK100 815131 Bushing, H x 5/8" Hotsy 5645 • 97-6850 • Rev. 8/03 Page 15...
- Page 16 Elbow, 1/4" Hose x Stand, Pipe 823988 Clamp, Hose, UNI .46-.54 817313 Fuel Tank Cap w/Gauge 444432 Fuel Tank Decal 830491 Pump, 12V Fuel, Facet 615533 Screw, 1/4" x 3/4", HH NC, Whiz Loc Page 16 Hotsy 5645 • 97-6580 • Rev. 8/03...
- Page 17 844595 Elbow, 1/4" x 1/4" Hose 817312 Fuel Tank Cap w/Gauge 676575 Elbow, 1/4" Hose x Stand Pipe 444433 Fuel Tank Decal 815230 Bushing 971186 Fuel Valve 952730 Fuel Tank, Black Hotsy 5645 • 97-6850 • Rev. 8/03 Page 17...
- Page 18 Figure 15 - Pump Assembly Page 18 Hotsy 5645 • 97-6580 • Rev. 8/03...
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Page 19: Exploded View Parts List
Complete Seal Packing Kit ✤ 877652 Ceramic Sleeve Kit 707413 Closed Bearing Housing ❖ 926649 Bearing Housing O-Ring 877653 Plunger Rod Seal Kit 926651 Crankshaft Seal 808401 Roller Bearing 30 827399 Double-Ended Crankshaft Hotsy 5645 • 97-6850 • Rev. 8/03 Page 19... - Page 20 Fuel Pump w/115V Solenoid 698020 Nipple, 1/4" NPT x 1/4" Hose 826167 Strain Relief 703127 Strain Relief Nut 823988 Clamp, Hose, UNI .46 - .54 NS Not Shown 783814 Motor 115V Page 20 Hotsy 5645 • 97-6580 • Rev. 8/03...
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Page 21: Troubleshooting Guide
Air bands need to be adjusted. Readjust. Refer to Oil Burner Section obnoxious odor. under Installation. Improper fuel. Use kerosene, #1 Grade Home Heating Oil, #1 or #2 Diesel Fuel. DO NOT USE GASOLINE. Hotsy 5645 • 97-6850 • Rev. 8/03 Page 21... - Page 22 IMPORTANT If the pressure washer demonstrates other symptoms or the corrective actions listed do not correct the problem, contact the local authorized Hotsy Service Center. The Hotsy Service Center can be identified by contacting: Customer Service Department The Hotsy Corporation 21 Inverness Way East •...
- Page 23 Figure 16 - Wiring Diagram Hotsy 5645 • 97-6580 • Rev. 8/03 Page 23...
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Page 24: Warranty
Hotsy will at its option repair or replace any part covered by this warranty which is defective under normal use for one year at no charge for parts or labor. All defects must be verified by an authorized Hotsy service location.