Landa SDHW5-3000 User manual

PRESSURE WASHERS
®
OPERATOR’S MANUAL
LANDA, INC. ■ 4275 N.W. Pacific Rim Blvd. ■ Camas, WA 98607 ■ USA
For technical assistance or the Landa Dealer nearest you, call 800-LANDA-4-U (800-526-3248) or [phone]
or consult our web page at www.landa.com
■ SDHW5-3000 ■ SDHW6-3500
SDHW
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CONTENTS
2
Introduction ...................................................................................................................................4
Important Safety Information .....................................................................................................4, 6
Component Identification ..............................................................................................................5
Pre-Operation Check ....................................................................................................................6
Set-Up Procedures ....................................................................................................................... 6
Operating Instructions .................................................................................................................. 7
General Washing Techniques........................................................................................................ 7
Shut Down Procedures .................................................................................................................7
How to Use the Optional Detergent Injector .................................................................................. 8
Preventative Maintenance............................................................................................................. 9
Maintenance and Service ...................................................................................................... 9 - 11
Unloader Valves ........................................................................................................................9
Winterizing Procedure ..............................................................................................................9
High Limit Hot Water Thermostat .............................................................................................. 9
Pumps ...................................................................................................................................... 9
Cleaning of Coil ........................................................................................................................9
Deliming Coils ...........................................................................................................................9
Removal of Soot from Heating Coil ..........................................................................................9
Rupture Disk .............................................................................................................................9
Fuel ..........................................................................................................................................9
Fuel Control System ............................................................................................................9-10
Fuel Pressure Adjustment.......................................................................................................10
Burner Nozzle .........................................................................................................................10
Electrode Setting ....................................................................................................................10
Air Adjustment ........................................................................................................................ 10
Air Band Adjustment ...............................................................................................................10
Coil Removal & Reinstallation ................................................................................................. 11

Model Number ______________________________
Serial Number ______________________________
Date of Purchase ____________________________
The model and serial numbers will be found on a decal attached to
the pressure washer. You should record both serial number and
date of purchase and keep in a safe place for future reference.
CONTENTS
3
SDHW Manual •Form #96-6033 •Revised 12/02
Exploded View ..................................................................................................................... 12 - 13
Parts Breakdowns................................................................................................................ 14 - 15
Control Panel ....................................................................................................................... 16 - 17
Float Tank Assembly ............................................................................................................ 18 - 19
Hose and Spray Gun Assembly .................................................................................................. 20
Burner Specifications .................................................................................................................. 21
Pump Specifications ............................................................................................................ 22 - 23
Troubleshooting ................................................................................................................... 24 - 26
Preventative Maintenance........................................................................................................... 27
Oil Change Record ..................................................................................................................... 27
Warranty ..................................................................................................................................... 28

4 SDHW SERIES PRESSURE WASHER OPERATOR’S MANUAL
LANDA SDHW •REV.12/02
INTRODUCTION
Thank you for purchasing a Landa Pressure Washer.
This manual covers the operation and maintenance of
the SDHW5-30821E, SDHW5-30824E, SDHW6-35821E
and SDHW6-35824E washers. All information in this
manual is based on the latest product information avail-
able at the time of printing.
Landa, Inc. reserves the right to make changes at any
time without incurring any obligation.
The SDHW Series was designed for
maximum use of 8 hours per day,
5 days per week.
Owner/User Responsibility
The owner and/or user must have an understanding of the
manufacturer’s operating instructions and warnings before
using this Landa pressure washer. Warning information
should be emphasized and understood. If the operator is
not fluent in English, the manufacturer’s instructions and
warnings shall be read to and discussed with the operator
in the operator’s native language by the purchaser/owner,
making sure that the operator comprehends its contents.
Owner and/or user must study and maintain for future
reference the manufacturers’ instructions.
This manual should be considered a permanent
part of the machine and should remain with it if
machine is resold.
When ordering parts, please specify model and
serial number.
IMPORTANT SAFETY
INFORMATION
CAUTION:When using this machine basic precautions
should always be followed, including the following:
CAUTION: To reduce the risk of
injury, read operating instruc-
tions carefully before using.
1. Read the owner's manual thor-
oughly. Failure to follow instruc-
tions could cause a malfunction
of the machine and result in
death, serious bodily injury and/
or property damage.
2. Know how to stop the machine and bleed pressures
quickly. Be thoroughly familiar with the controls.
3. Stay alert —watch what you are doing.
4. All installations must comply with local codes. Con-
WARNING
RISK OF
ASPHYXIATION.
USE ONLY IN A WELL
VENTILATED AREA.
tact your electrician, plumber, utility company or the
selling distributor for specific details.
WARNING: Risk of asphyxiation.
Use this product only in a well
ventilated area.
5. Avoid installing machines in
small areas or near exhaust
fans. Exhaust contains poison-
ous carbon monoxide gas; ex-
posure may cause loss of con-
sciousness and may lead to
death. It also contains chemical known, in certain
quantities, to cause cancer, birth defects, or other
reproductive harm.
WARNING: Risk of explosion —
Do not spray flammable liquids.
WARNING: Flammable liquids
can create fumes which can ignite
causing property damage or
severe injury.
6. Do not place machine near
flammable objects as the en-
gine is hot.
WARNING: Risk of fire or explosion —Do not add
fuel when the product is operating.
7. Allow engine to cool for 2 minutes before refueling. If
any fuel is spilled, make sure the area is dry before
testing the spark plug or starting the engine. (Fire and/
or explosion may occur if this is not done.) In an overfill-
ing situation, additional precautions are necessary to
ensure that the situation is handled in a safe manner.
WARNING: Risk of injection or se-
rious injury to persons —Do not
touch or direct discharge stream
at persons. This machine is to be
used only by qualified operators.
WARNING: High pressure stream
of fluid that this equipment can
produce can pierce skin and its
underlying tissues, leading to se-
rious injury.
CAUTION:Risk of injury —Hot dis-
charge fluid. Do not touch or di-
rect discharge stream at persons.
8. Never make adjustments on
machine while in operation.
9. To reduce the risk of injury,
close supervision is necessary
when a machine is used near
children. DO NOT ALLOW
CHILDRENTO OPERATE the pressure washer. This
machine must be attended during operation.
WARNING
RISK OF EXPLOSION:
DO NOT SPRAY
FLAMMABLE LIQUIDS.
WARNING
RISK OF INJECTION
OR SEVERE INJURY
TO PERSONS: KEEP
CLEAR OF NOZZLE.
WARNING
HOT DISCHARGE
FLUID. DO NOT
TOUCH OR DIRECT
DISCHARGE STREAM
AT PERSONS.
CAUTION
READ OPERATOR’S
MANUAL THOROUGHLY
PRIORTO USE.
CAUTION

SDHW SERIES PRESSURE WASHER OPERATOR’S MANUAL
5
LANDA SDHW •REV. 12/02
Spray
Gun
High Pressure
Hose
Pressure
Nozzles
Quick
Coupler
Detergent
Pick-up
Tube
Swivel
Connector
Trigger
Fuel
Tanks
Water
Supply Hose
(not included)
Inlet
Connector
High
Pressure
Nozzle
➤➤ ➤➤
➤
Thermostat
Knob
Detergent Bucket
(not included)
Discharge
Nipple
Variable
Pressure Wand
COMPONENT IDENTIFICATION