background image

9 HP Pressure wasHer

Model

97553

set uP, OPerating, and servicing 

instructiOns

 

danger

using an engine indoors can KiLL YOu in 

Minutes.
engine exhaust contains carbon monoxide.  

this is a poison you cannot see or smell.

never use inside 

a home or garage, 

even iF doors and 

windows are open.

Only use Outside 

and far away from 

windows, doors, and 

vents.

Diagrams within this manual may not be drawn proportionally.

Due to continuing improvements, actual product may differ slightly from the product described herein.

distributed exclusively by Harbor Freight tools

®

.

3491 Mission Oaks Blvd., Camarillo, CA 93011

visit our website at: http://www.harborfreight.com

 read this material before using this product.  

Failure to do so can result in serious injury. 

save tHis ManuaL.

Copyright

©

 2008 by Harbor Freight Tools

®

.  All rights reserved.  No portion of this 

manual or any artwork contained herein may be reproduced in any shape or form 

without the express written consent of Harbor Freight Tools.

For technical questions or replacement parts, please call 1-800-444-3353.

Summary of Contents for 97553

Page 1: ...g improvements actual product may differ slightly from the product described herein Distributed exclusively by Harbor Freight Tools 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our website at http...

Page 2: ...15 Maintenance Procedures 15 Engine Oil Change 15 Air Filter Element Maintenance 15 Spark Plug Maintenance 16 Fuel Filter Replacement if equipped 16 Cleaning Maintenance and Lubrication Schedule 17 Af...

Page 3: ...st diagram 32 Carburetor parts list diagram 33 Flywheel coil assembly parts list diagram 34 Control system parts list diagram 35 Air cleaner parts list diagram 36 Muffler parts list diagram 37 Fuel ta...

Page 4: ...n which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices...

Page 5: ...in cold weather check all of the parts of the unit to make sure ice has not formed Do not store the unit any where that the temperature will fall below 32 F 0 C OPERATING PRECAUTIONS 1 Carbon Monoxide...

Page 6: ...arts Do not cover the engine or equipment 14 during operation Keep the equipment engine and sur 15 rounding area clean at all times Use the equipment accessories etc 16 in accordance with these instru...

Page 7: ...e peated or long term exposure to vibration may cause temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury Anyone using vi...

Page 8: ...pment These carry impor tant information If unreadable or missing contact Harbor Freight Tools for a replacement If water is leaking out of the Pressure 8 Washer immediately turn off the unit Unplug t...

Page 9: ...the item is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible Set Up Instructions Read the en...

Page 10: ...water per minute at 20 PSI Only use a hose that is rated to meet this capacity If using detergent Read detergent directions Connect 8 one end of the Detergent Inlet Hose 8 to the Detergent Inlet Conne...

Page 11: ...353 Engine diagram COMPONENTS CONTROL LOCATIONS 3 2 COMPONENTS CONTROL LOCATIONS THROTTLE LEVER MUFFLER SPARK PLUG AIR CLEANER FUEL VALVE LEVER CHOKE LEVER RECOIL STARTER STARTER GRIP IGNITION SWITCH...

Page 12: ...he stabilized unleaded gasoline mixture Then replace the Fuel Filler Cap 4 Checking or Replacing the Pump Lubricant To check the pump oil level look at 1 the Oil Sight 2A The oil is at the proper leve...

Page 13: ...the force of the spray Never direct spray from the pressure washer at a person or animal The water stream could cause serious injury Only use the pressure washer on surfaces able to withstand the forc...

Page 14: ...ssure wash the surface Take special care when spraying sur faces made of two different materials brick and mortar for example to not damage the softer of the two materi als during pressure washing If...

Page 15: ...m corrected before further use Maintenance Procedures Many maintenance procedures including any not detailed in this manual will need to be performed by a qualified technician for safety If you have a...

Page 16: ...ten until the gasket contacts the cylinder head then about 1 2 2 3 turn more Non gasket style Finger tighten until the plug contacts the head then about 1 16 turn more Apply dielectric spark plug boot...

Page 17: ...nd 100 operation hours should be performed at least yearly After Every 300 Operation Hours Clean fuel tank and carburetor a Clean carbon build up from combus b tion chamber Storage Wait for engine to...

Page 18: ...stor 5 age keep in mind that untreated gas oline will deteriorate quickly Drain the fuel tank and change to fresh fuel if untreated gasoline has been sitting for a month if treated gasoline has been s...

Page 19: ...rk plug and set choke to start position Ignition spark Related Spark plug wire not connected 1 securely Spark plug electrode wet or dirty 2 Incorrect spark plug gap 3 Spark plug wire broken 4 Incorrec...

Page 20: ...unleaded gasoline Test replace fuel tank cap 3 Have qualified technician service 4 magneto Engine knocks Old or low quality gasoline 1 Engine overloaded 2 Incorrect spark timing deposit 3 buildup worn...

Page 21: ...se 4 Clean strainer 5 Clean Nozzle 6 Dissolve by running warm water 7 through the injection tube Follow all safety precautions whenever diagnosing or servicing the equipment or engine PLEASE READ THE...

Page 22: ...tection Valve 15 Handle 16 Handle Bolt 17 Nut 18 Frame 19 Hose 20 Gun 21 Wand 22 Pad 23 Washer 24 Nut 25 Engine Bolt 26 Lock Washer 27 Washer 28 Nut 29 Lock Washer 30 Nut 31 Lock Washer 32 Washer 33 A...

Page 23: ...Page 23 SKU 97553 For technical questions please call 1 800 444 3353 General Assembly diagram...

Page 24: ...on 37A Nut 38A Connecting Rod 39A Pin 62A O ring 63A Stop Valve 64A Spring 65A O ring 66A Outlet Connector 67A O ring 68A Outlet Banjo Bolt 69A O ring 70A Inlet T connector 71A O ring 72A Inlet Connec...

Page 25: ...Page 25 SKU 97553 For technical questions please call 1 800 444 3353 Pump DIAGRAM Note When ordering replacement parts from this diagram the A suffix must be includ ed in order to get the correct part...

Page 26: ...Tube 1 8B Spark Plug 1 9B Cylinder Gasket 1 10B Muffler Gasket 1 11B Pin 2 12B Bolt 6x14 4 13B Bolt 8x55 4 14B Intake Bolt 2 15B Exhaust Bolt 2 16B Intake Valve Seat 1 17B Exhaust Valve Seat 1 18B Cy...

Page 27: ...n Plug Bolt 2 10C Washer 2 11C Washer 2 12C Clip 1 Part Description Qty 13C Ball Bearing 1 14C Oil Seal 1 15C O ring 1 16C Nut 1 17C Washer 1 18C R pin 1 19C Bolt 6x12 3 20C Shaft 1 21C Governor Assem...

Page 28: ...ick 1 3D Packing 2 4D Cover 1 5D Oil Seal 1 6D Bearing 1 7D Pin 2 8D Oil Filler Cap 1 9D Packing Case Cover 1 10D Oil Fill Assembly 1 11D Cap Assembly 1 Note When ordering replacement parts from this...

Page 29: ...sembly 1 6E Bolt 2 7E Clip 2 8E Timing Gear 1 9E Gear 1 10E Crankshaft 1 11E First Ring 1 12E Second Ring 1 13E Oil Ring 2 14E Bushing Ring 1 15E Connecting Rod 1 16E Connecting Rod Cover 1 17E Key 1...

Page 30: ...alve Spring Retainer 2 12F Valve Spring 2 13F Guide Seal 1 Part Description Qty 14F Camshaft Assembly 1 15F Reducer Pin 1 16F Reducer 1 17F Matching Block Pin 2 18F Matching Block 1 19F Flying Block P...

Page 31: ...ing 2 7G Recoil Starter Reel 1 8G Recoil Starter Spring 1 9G Recoil Starter Knob 1 10G Fan Cover 1 11G Rope 1 12G Bolt 6x8 3 13G Bolt 6x10 4 14G Fan Cover 1 15G Switch Assembly 1 16G Recoil Starter 1...

Page 32: ...m Part Description Qty 1H Bolt 6x20 1 2H Side Plate 1 3H Bolt 6x8 2 4H Shroud 1 5H Side Plate 1 6H Grommet 1 Note When ordering replacement parts from this diagram use the suffix H Note Some parts are...

Page 33: ...asket Bolt 1 12J Bolt 1 13J Drain Bolt 1 14J Drain Bolt Gasket 1 15J Fuel Strainer Cup 1 16J Fuel Strainer Cup Packing 1 17J Fuel Packing 1 18J Lever 1 Part Description Qty 19J Lever Spring 1 20J Sett...

Page 34: ...4K Stop Switch Cord 1 5K Bolt 6x30 2 6K Flywheel Cover 1 7K Charge Coil Assembly 1 8K Cooling Fan 1 9K Starter Pulley 1 10K Nut 1 11K Flywheel 1 12K Charge Coil 1 13K Bolt 6x35 2 14K Cord Clamp 1 15K...

Page 35: ...ly 1 9M Nut 1 10M Fixing Plate 1 11M Washer 1 Part Description Qty 12M Washer 1 13M Retainer Assembly 1 14M Spring 1 15M Screw 5x35 16M Cable Return Spring 1 17M Control Handle 1 18M Screw 5x25 1 19M...

Page 36: ...20 1 7N Nut 6mm 2 8N Nut 2 9N Air Cleaner Cover 1 Part Description Qty 10N Air Cleaner Element Assembly 1 11N Grommet 1 12N Outer Filter 1 13N Element 1 14N Noise Silencer 1 15N Air Cleaner Assembly 1...

Page 37: ...ption Qty 1P Muffler 1 2P Nut 8mm 1 3P Muffler Cover 1 4P Screw 5x8 4 5P Muffler Assembly 1 6P Muffler Case 1 Note When ordering replacement parts from this diagram use the suffix P Note Some parts ar...

Page 38: ...Filler Assembly 1 5R Fuel Cap Gasket 1 6R Fuel Filter 1 7R Bolt 6x25 1 8R Joint Packing 1 9R Nut 6mm 2 10R Fuel Line 1 11R Fuel Cap 1 12R Fuel Tank Assembly 1 13R Fuel Tank Joint 1 Note When ordering...

Page 39: ...paired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warran ty then you must bear the cost of returning the product...

Page 40: ...filed in accordance with the provi sions of the HFT warranty policy explained in the box at the top of the previous page HFT shall not be liable for any loss of use of the engine for any alternative...

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