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11

Operations

Operation Instructions

STEP 1:

 

Machines must be 

stored indoors when not in use. 

Location of machine is important. 
Avoid installing near combustible 
material or in poorly ventilated 
areas. Electrical connection to 
machine should be the proper 
voltage, phase and amperage. See 
specifications for particular model. 
Plug the power cord into a 

grounded receptacle

STEP 4:

 Press the pump switch 

"ON" and then pull the trigger on 
the spray gun to activate pressure 
switch which starts machine (For 
auto start machines only).

For machines with time delay shut 
down, simply press pump switch 
"ON" and the machine will start.

Before installing nozzle, turn on 
water supply and run machine 
allowing water to flush through the 
system until clear.

STEP 2:

 Connect the high pressure 

hose quick coupler to discharge 
nipple by sliding the quick coupler 
collar back and inserting quick 
coupler on to discharge nipple and 
pushing the quick coupler collar 
forward to secure it.

STEP 3:

 Attach wand to spray gun 

using teflon tape on threads to 
prevent leakage.  Attach swivel 
connector on high pressure hose to 
spray gun using teflon tape on 
threads. Engage safety latch to 
prevent from triggering gun.

Landa PHW Operator’s Manual   8.917-417.0 - D

Discharge 

Nipple

High Pressure 

Hose Quick 

Coupler

High 

Pressure 

Hose

Spray 

Gun

Safety 

Latch

Wand

Swivel 

Connection

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PH

W

8.91

7-5

86.0

PUM

P

BU

RN

ER

POW

ER

IGN

ITI

ON

OV

ER

LO

AD

Adjustable

Thermostat

Pump

Switch

Burner
Switch

Variable Pressure 

Control Handle

Trigger

Variable Pressure 

Wand (VP)

High 

Pressure 

Nozzle

Brass Soap 

Nozzle

STEP 5:

 Selection of high or low pressure is accompa-

nied by turning the handle. 

Note:

 High pressure nozzle 

must be inserted at end of wand to obtain high 
pressure. To apply soap, see Detergent and General 
Cleaning Techniques section.

When a steady stream of water flows from the spray 
gun and wand, turn the thermostat knob to the 200° 
mark, then push the burner switch. The burner will light 
automatically when the spray gun trigger is pulled.

PH

W

8.91

7-58

6.0

PUM

P

BUR

NER

PO

WE

R

IGNI

TION

OVERLO

AD

DETER

GEN

T V

AL

VE

VA

LVUL

DE 

DE

TER

EN

TE

SOUP

AP

DE 

DE

TE

RGE

NT

STEAM

 VA

LV

E

VA

LVU

LA

 DE 

VA

PO

R

SO

UP

AP

E D

E V

AP

EUR

Steam 

Valve

Detergent

Valve

Burner 
Switch

Thermostat

STEP 6:

 

STEAM COMBINATION

 

OPTION:

 Turn the steam valve counter-

clockwise.  
(Detergent will not siphon when the steam 
valve is opened.)

Turn burner switch off, pull trigger on 
spray gun and allow water to cool.

Summary of Contents for PHW3-11024

Page 1: ...a y gun and wand SUP ERF ICIE S CAL IENT ES Use solam ente las rea s aisla das del gatill o y la lanza SUR FAC ES CHA UDE S Touc her seule men t les parti es isol es des poig n e pisto lets et lance s...

Page 2: ...2 Landa PHW Operator s Manual 8 917 417 0 D Machine Data Label...

Page 3: ...nce 14 Maintenance And Service 14 Pump Lubrication 14 Fuel 14 Electrode Setting 14 Transformer Check 14 Fuel Control System 14 Fuel Pressure Adjustment 14 Wayne Oil Burner 15 Fuel Pressure Adjustment...

Page 4: ...preventive main tenance to keep the machine and its components in good working condition They are listed in this general order Preventative Maintenance Maintenance And Service Pump Lubrication Fuel B...

Page 5: ...he 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 manufactu...

Page 6: ...fi NE JAMAIS utiliser un adaptateur avec ce produit WARNING Keep wand hose and water spray away from electric wiring or fatal electric shock may result AVERTISSEMENT Garder la lance le boyau et le jet...

Page 7: ...nes ou des animaux car cela risquerait de causer des blessures graves ou m me la mort WARNING This machine produces hot water and must have insulated components attached to protect the operator AVERTI...

Page 8: ...utiliser l int rieur m me si les fen tres et les portes sont ouvertes 17 Avoid installing machines in small areas or near exhaust fans Adequate oxygen is needed for combustion or dangerous carbon mono...

Page 9: ...art unit turn switc h on gr ip wan d se curel y and trigg er spra y gun 7 To hea t wate r turn burn er switc h on 8 To app ly dete rgen t see Ope rator s Man ual 9 To shut dow n mac hine turn burn er...

Page 10: ...must be used refrain from using 90 bends If the pipe can not go straight up then use only 45 bends and go to the next larger size pipe The overall pipe length must not exceed 6 feet in length Air adju...

Page 11: ...p en flam e ch is pe rm it t sp ray ids ARNING AV ER TISS EM EN T RIE SG O DE EX PL OS IO N Us e el pro du cto en re as do nd e el fue go llam a se an pe rm itid os No roc ie liqu i do s infl am ab le...

Page 12: ...ater Place detergent suction tube directly into cleaning solution and apply to surface at low pressure for best results limit your work area to sections approximately 6 feet square and always apply de...

Page 13: ...f frozen FREEZE DAMAGE IS NOT COVERED BY WARRANTY ATTENTION Toujours entreposer la laveuse pression dans un endroit o la temp rature ne sera pas inf rieure X C X F La pompe sur cette machine est susce...

Page 14: ...uel tank and replace fuel filter every 100 hours of opera tion Electrode Setting Ignition Circuit Periodically inspect wires spring contact and elec trodes for condition security and proper spacing Tr...

Page 15: ...et can impact fuel flow In more extreme tempera tures this local site adjustment may also require different fuel nozzles for fuel inlet temperatures that are at seasonal extremes higher or lower in lo...

Page 16: ...mage due to freezing is not covered by warranty Adhere to the following cold weather procedures whenever the washer must be stored or operated outdoors under freezing conditions During the winter mont...

Page 17: ...valve is installed next to the inlet side of the pump that will open in the event the water tempera ture exceeds 140 F Therefore while operating the machine do not leave the spray gun closed for an e...

Page 18: ...e more often under severe conditions Maintenance Schedule Replace Fuel Lines Annually Pump Oil 10W 40 Non Foaming Inspect Daily inspect the oil level Change After first 50 hours then every 500 hours o...

Page 19: ...Oil Change Record DateOilChanged Month Day Year Estimated Operating Hours Since Last Oil Change DateOilChanged Month Day Year Estimated Operating Hours Since Last Oil Change Landa PHW Operator s Manua...

Page 20: ...tage of building and compare with require ments Obtain a different power source Detergent metering valve left open sucking air or faulty metering valve Close and or replace metering valve BURNER WILL...

Page 21: ...tank and replace contaminated fuel Improper air adjustment Readjust air bands on burner assembly Low fuel pressure Adjust higher Air leaks in fuel lines Check fuel lines for leaks or air bubbles Tight...

Page 22: ...itch tripped Allow motor to cool switch will automatically reset Motor wet Allow to dry Short in electrical wiring Wire contacts should be clean and tight No breaks in wires Coil liming up causing exc...

Page 23: ...fective Replace valve Particle next to poppet Remove internal parts and clean BURNER STAYS ON WHEN SPRAY GUN IS IN OFF POSITION Fuel pump pressure too high Readjust fuel pressure Pressure switch defec...

Page 24: ...retainer worn Check and replace if necessary Cracked ceramics Check and replace if necessary OIL DRIPPING Oil seal worn Check and replace if necessary Cracked manifold Check and replace if necessary...

Page 25: ...ISCHARGE LINE DURING BYPASS MODE Pressure adjustment too tight Call your local dealer Restricted bypass line Bypass line should be 1 2 inside diameter I D 12 long and of low pressure flexible hose Flo...

Page 26: ...8 917 417 0 Printed in U S A...

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