Briggs & Stratton CE8070 User manual

Familiarization & Troubleshooting Guide
PRESSURE WASHER
BRIGGS & STRATTON CORPORATION
Milwaukee, WI 53201
Part No. B3277GS Rev. 0 11/98
Printed in U.S.A.
Look for these other repair manuals from the
Briggs & Stratton Power Products line:
86262GS Portable Generators Familiarization
& Troubleshooting Guide
190275 Hand-Held Generator Familiarization
& Troubleshooting Guide
275110 Outboard Motor Repair Manual
Quality Starts With A
Master Service Technician
®
TM
Visit us at:
www.briggsandstratton.com
www.generac-portables.com
www.briggspowerproducts.com
For Briggs & Stratton Discount Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com

Pressure Washer
Familiarization & Troubleshooting
Guide
Electronic Version #B3277 Rev. 1 4/03
Please click the “Bookmarks” tab at left to enable the
search and navigational features of this document.
®

FORWARD
This guide has been written and published by Briggs & Stratton Corporation to aid our dealers' mechanics and
company service personnel when servicing the products described herein.
It is assumed that these personnel are familiar with the servicing procedures for these products, or like or similar
products, manufactured by Briggs & Stratton Corporation. It is also assumed that they have been trained in the
recommended servicing procedures for these products, which includes the use of mechanics hand tools and any
special tools that might be required.
Proper service and repair is important to the safe, economical and reliable operation of all engine driven systems.
The troubleshooting, testing, service and repair procedures described in this guide are effective methods of
performing such operations.
We could not possibly know of and advise the service trade of all conceivable procedures or methods by which a
service might be performed, nor of any possible hazards and/or results of each procedure or method. We have
not undertaken any such wide evaluation. Therefore, anyone who uses a procedure or method not described by
the manufacturer must first satisfy himself that neither his safety, nor the safety of the product, will be
endangered by the service or operating procedure selected.
All information, illustrations, and specifications contained in this guide are based on the latest production
information available at the time of publication. However, Briggs & Stratton Corporation reserves the right to
change, alter, or otherwise improve the product at any time without prior notice.
Some components or assemblies of the product described in this guide may not be considered repairable.
Disassembly, repair and reassembly of such components may not be included in this guide.
Copyright © 2003 Briggs & Stratton Corporation
All rights reserved.
No part of this material may be reproduced or transmitted, in any form or by any means, electronic or
mechanical, including photocopying, recording or by any information storage and retrieval system, without prior
permission in writing from Briggs & Stratton Corporation.

1
1 • Operation 5
2 • Pressure Washer Components 7
Power Source 7
Pressure washer pumps 7
Inlet and Outlet Check Valves 8
Unloader - Pressure Regulator 8
Thermal Bypass System 9
Chemical Injection 9
Easy Start Valve 10
High Pressure Hose 11
Spray Guns 11
Spray Wands and Nozzles 12
3 • General Information 13
Part 1 - General Maintenance 13
Chemical Injection System 13
Inlet Water Supply Connector 13
Inlet Supply Filter/Strainer 13
Hose, Spray Gun and Wand Systems 13
Spray Nozzle Servicing 14
Part 2 - Lubrication 15
Check Pump Oil Level 15
Change Pump Oil 15
Part 3 - Storage 16
Pump Storage 16
Protection Against Freezing 16
Purging Air From the System 16
4 • Small Frame Electric Pump 17
Part 1 - Specifications and Views 17
Performance Specifications 17
Cross-Sectional View 18
Exploded View 20
Part 2 - Disassembly 22
General Information & Special Tools 22
Pump Head 22
Piston Housing Removal 23
Piston Housing Disassembly 24
Chemical Injection System 24
Auto Start Switch Assembly 25
Axial Cam 26
Part 3 - Inspection 27
Seals, O-Rings, and Gaskets 27
Piston & Spring Assemblies 27
Pump Head and Piston Housing 27
Axial Cam Drive Components 28
Part 4 - Reassembly 29
Pump Head Assembly 29
Auto Start Switch Assembly 29
Chemical Inject Assembly 30
Piston Housing Assembly 31
Pilot Spacer Installation 31
Pump Head Bolts 32
Assemble Axial Cam 32
Oil Fill 32
Main Component Assembly 32
Final Assembly and Test 33
Part 5 - Troubleshooting 34
TABLE OF CONTENTS
Table of Contents
Portable Pressure Washer Familiarization and Troubleshooting Guide

Small Frame Gas Pump 35
Part 1 - Specifications and Views 35
Performance Specifications 35
Cross-Sectional view 36
Exploded View 38
Part 2 - Disassembly 40
General Information & Special Tools 40
Pump Head 40
Piston & Unloader Housing Removal 40
Piston & Unloader Housing Disassembly 41
Chemical Injection System 42
Unloader 42
Engine Adapter 43
Part 3 - Inspection 43
Seals, O-Rings, and Gaskets 43
Piston & Spring Assemblies 43
Engine Adapter, Pump Head and
Piston/Unloader Housing 44
Axial Cam Drive Components 44
Part 4 - Reassembly 45
Engine Adapter 45
Unloader Assembly 45
Chemical Injection Assembly 45
Piston & Unloader Housing Assembly 46
Pump Head Assembly 46
Main Component Assembly 47
Pilot Spacer Installation 48
Pump Head Bolts 49
Oil Fill 49
Part 5 - Troubleshooting 50
5 • Medium Frame Pump 51
Part 1 - Specifications and Views 51
Performance Specifications 51
Cross-Sectional View 52
Exploded View 55
Part 2 - Disassembly 56
General Information & Special Tools 56
Pump Head 56
Axial Cam Drive Components 57
Pistons and Piston Springs 57
Pump Head 58
Spacer Plate 58
Inlet Check Valves 59
Outlet Check Valves 59
Unloader Spindle Assembly 59
Chemical Injection System 60
Thermal Bypass Actuator Removal 60
Part 3 - Inspection 61
Seals, O-Rings, and Gaskets 61
Seals 61
Check Valves 61
Head Gasket 61
Engine Adapter O-Rings 62
Engine Adapter, Pump Crankcase and
Spacer Plate/Head 62
Axial Cam Drive Components 62
Piston & Spring Assemblies 62
High Pressure Outlet/Chemical
Injection Assembly 63
Part 4 - Reassembly 64
Engine Adapter 64
Piston Oil Seals and Pistons 65
Spacer Plate 67
High Pressure Seal Assembly 67
Check Valve Assembly 68
High Pressure Outlet and Chemical
Injection Assembly 69
Unloader Spindle Assembly 69
Pump Head Installation 70
Main Component Assembly 71
Oil Fill 72
Part 5 - Troubleshooting 73
2
Table of Contents
Portable Pressure Washer Familiarization and Troubleshooting Guide
TABLE OF CONTENTS