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4

How To Use This Manual

This manual contains the following sections:

How to Use This Manual

Safety

Operations

Maintenance

The HOW TO USE THIS MANUAL section will tell you 
how to find important information for ordering correct 
repair parts.

Parts may be ordered from authorized dealers. When 
placing an order for parts, the machine model and 
machine serial number are important. Refer to the 
MACHINE DATA box which is filled out during the 
installation of your machine. The MACHINE DATA box 
is located on the inside of the front cover of this manual. 

The model and serial number will be found on a decal 
attached to the machine.

The SAFETY section contains important information 
regarding hazardous or unsafe practices of the 
machine. Levels of hazards are identified that could 
result in product damage, personal injury, or severe 
injury resulting in death.

The OPERATIONS section is to familiarize the operator 
with the operation and function of the machine.

The MAINTENANCE section contains preventive main-
tenance to keep the machine and its components in 
good working condition. They are listed in this general 
order:

Maintenance & Service

Unloader Valves

Winterizing Procedure

High Limit Hot Water Thermostat

Pumps

Cleaning Of Coils

Rupture Disk

Fuel

Fuel Control System

Fuel Quality / Storage

Electrode Setting

Burner Nozzle

Landa Sure Fire Oil Burner

Coil Removal

Troubleshooting

NOTE: The manual part number is located on the 
lower right corner of the front cover.

Model:

Date of Purchase:

Serial Number:

Dealer:

Address:

Phone Number:

Sales Representative:

Landa PDHW Series Operator’s Manual  8.919-980.0 - B

Summary of Contents for PDHW5-35624E

Page 1: ...n te el ctric a antes de dar servici o RISQU E D ELEC TROCU TION Tous les ls doiven t tre mainte nus secs et tre suspen dus No jamais projete r de l eau sur les com posant es et ls lectriq ues Couper...

Page 2: ...means the engine is overheating Turn machine off and perform maintenance Glow Plug When the light is on the engine is being pre heated When the light turns off the engine can be started Low Oil When t...

Page 3: ...Down Clean Up 13 Storage 14 Maintenance Service Unloader Valves 14 Winterizing Procedure 15 High Limit Hot Water Thermostat 15 Pumps 15 Cleaning of Coils 15 Rupture Disk 15 Fuel 15 Fuel Control System...

Page 4: ...unsafe practices of the machine Levels of hazards are identified that could result in product damage personal injury or severe injury resulting in death The OPERATIONS section is to familiarize the op...

Page 5: ...e operator s native lan guage 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 instruction...

Page 6: ...starting make sure that the engine is as hori zontal as possible and observe the following steps in running this pressure washer a become familiar with how to stop the engine b never start the engine...

Page 7: ...not present Do not store or use gasoline near this machine 10 Use Ultra Low Sulfur Diesel fuel only NEVER use gasoline in your diesel tank Gasoline is more combustible than diesel and could result in...

Page 8: ...pen the spray gun to relieve pressure Failure to properly cool down or maintain the heating coil may result in a steam explosion 26 Do not overreach or stand on unstable support Keep good footing and...

Page 9: ...et tre suspe ndus No jamai s projet er de l eau sur les com posan tes et ls lectr iques Coupe r l alim entata tion lectr ique avant de faire une r para tion RISK OF ELEC TROC UTION Keep all conne c t...

Page 10: ...ll proper battery making sure that the red cable is attached to the positive terminal Use a 12V Group 24 battery Battery Installation Due to Federal Regulations concerning shipment of corrosive chemic...

Page 11: ...is eraux endro its o une amm e nue est perm ise Ne pas vapor iser de liquid es in am mabl es RISQ UE DE FEU Ne pas ajou ter d s senc e de fuel tand is que la mach ine est en oper ation RISK OF EXPL OS...

Page 12: ...a detergent injector Turn control panel detergent valve clockwise until closed if using the float tank option IMPORTANT You must flush the detergent injection system after each use by placing the suc...

Page 13: ...esired high pressure nozzle NOTE You can also stop detergent from flowing by simply removing detergent siphon tube from bottle Shutting Down Clean Up STEP 1 Remove detergent suction tube from containe...

Page 14: ...neutralize and flush detergent from system after use 4 If water is known to be high in mineral content use a water softener on your water system or de scale as needed 5 Do not allow acidic caustic or...

Page 15: ...r for instructions Removal of Soot and Heating Coil In the heating process fuel residue in the form of soot deposits may develop between the heating coil pipe and block air flow which will affect burn...

Page 16: ...itudes it may be necessary to adjust the air band for a 1 or 2 smoke spot on the Bacharach scale To adjust start machine and turn burner ON Loosen two locking screws found on the air band and close ai...

Page 17: ...ure you do not crimp the capillary tube 4 Remove burner assembly from combustion chamber 5 Remove the 3 3 8 bolts from each side of coil and tank assembly these bolts are used to fasten tank to chassi...

Page 18: ...pply and possibility of air seepage Valves sticking Check and clean or replace if necessary Unloader valve seat faulty Check and replace if necessary BURNER WILL NOT LIGHT Little or no fuel Fill tank...

Page 19: ...may be necessary to contact your local authorized engine sales and service center for details MACHINE SMOKES WHILE BURNER UNIT IS RUNNING OR UNIT SMOKES AT COLD START ONLY WHEN BURNER IS OFF Improper...

Page 20: ...ch Replace Incorrect fuel nozzle size Contact your local Landa Dealer Insufficient water supplied Check water G P M to machine Restricted water flow Check nozzle for obstruction proper size PUMP NOISY...

Page 21: ...line s Repair hole Low detergent level Add detergent if needed PUMP RUNNING NORMALLY BUT PRESSURE LOW ON INSTALLATION Pump sucking air Check water supply and possibility of air seepage Valves sticking...

Page 22: ...Engine overload X X X X X X X Excessive parasitic load X X X Valve lash insufficient excessive X X X X Injection timing out of spec advanced X X X X X Injection timing out of spec retarded X X X Gove...

Page 23: ...ally Replace High Pressure Nozzle Every 6 months Replace Quick Connects Annually Clean Water Screen Filter Weekly Replace HP Hose Annually Kubota Engine Maintenance Schedule Engine Oil SAE 10W 30 API...

Page 24: ...8 919 980 0 Printed in U S A...

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