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Landa 2HOT Series Service Manual

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2HOT Series
Hot Water - Electric Powered - Diesel/Oil Heated
Service Manual
Pressure Washer
MODELS: 2HOT 2-15024D
1.109-177.0
2HOT 4-20024A
1.109-178.0
2HOT 4-20024G
1.109-179.0
For the Landa Dealer nearest
you, consult our web page at
www.landa.com
9.808-354.0 - B
08/16/22

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Summary of Contents for Landa 2HOT Series

  • Page 1 2HOT Series Hot Water - Electric Powered - Diesel/Oil Heated Service Manual Pressure Washer MODELS: 2HOT 2-15024D 1.109-177.0 2HOT 4-20024A 1.109-178.0 2HOT 4-20024G 1.109-179.0 For the Landa Dealer nearest you, consult our web page at www.landa.com 9.808-354.0 - B 08/16/22...
  • Page 2 Service Manual Landa 2HOT • 9.808-354.0...

  • Page 3: Table Of Contents

    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. Service Manual Landa 2HOT • 9.808-354.0...

  • Page 4: How To Use This Manual

    KIT INSTRUCTIONS which came with the kit. It contains replacement parts numbers needed for ordering future parts. NOTE: The manual part number is located on the lower right corner of the front cover. Service Manual Landa 2HOT • 9.808-354.0...

  • Page 5: Troubleshooting

    Check continuity through burner switch. Heavy sooting on coil and burner, Clean as required. can cause interruption of air flow and shorting of electrodes Improper electrode setting Clean and test according to diagram in Op- erators Manual. Service Manual Landa 2HOT • 9.808-354.0...
  • Page 6 Defective high limit switch Replace. Incorrect fuel nozzle size See exploded view parts list for proper size. Insufficient water supplied Check water GPM to machine. Restricted water flow Check nozzle for proper size or obstruction. Service Manual Landa 2HOT • 9.808-354.0...
  • Page 7 Check and clean or replace if necessary. INSTALLATION Unloader valve seat faulty Check and replace if necessary. Nozzle incorrectly sized Check and replace if necessary (See serial plate for proper size). Worn piston packing Check and replace if necessary. Service Manual Landa 2HOT • 9.808-354.0...
  • Page 8 PUMP O.R. plunger retainer worn Check and replace if necessary. Cracked ceramics Check and replace if necessary. OIL DRIPPINGS Oil seal worn Check and replace if necessary. Cracked manifold Check and replace if necessary. Service Manual Landa 2HOT • 9.808-354.0...

  • Page 9: Preventative Maintenance

    Attention to regular preventa- tive maintenance procedures will assist in preserving the performance of your equipment. Contact your Landa, Inc. dealer for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer.
  • Page 10 BURNER / COIL ASSEMBLY 2HOT 2-15024D Service Manual Landa 2HOT • 9.808-354.0...

  • Page 11: Burner / Coil Assembly And Parts List

    8.757-205.0 Hose Barb, 1/4" Barb X 1/4" M-NPTF, 90 8.757-199.0 Hose Barb, 1/4" Barb X 1/4" M-NPTF, Brass 8.755-610.0 Fuel Nozzle, 1.75 X 80AZ (2HOT 4-20024A, 4-20024G) 8.754-890.0 Fuel Nozzle, 1.00 X 90AZ (2HOT 2-15024D) Service Manual Landa 2HOT • 9.808-354.0...
  • Page 12 CHASSIS ASSEMBLY - EXPLODED VIEW 37 32 Service Manual Landa 2HOT • 9.808-354.0...

  • Page 13: Chassis Assembly And Parts List

    9.802-773.0 Nut, 1/4-20 Esna Nc 9.802-705.0 Bolt, 1/4"-20 X 1" Carriage Zinc 9.804-608.0 Cap, Vinyl Flat (Yellow).125X1.0X1.875 9.804-016.0 Filter Screen Washer, Garden Hose/30mesh 9.802-064.0 Grommet, Rubber, Nozzle Holder 9.196-059.0 Button Head Screw, SS 1/4"-20 x 1/2" Service Manual Landa 2HOT • 9.808-354.0...
  • Page 14 CONTROL PANEL ASSEMBLY 2HOT 2-15024D Service Manual Landa 2HOT • 9.808-354.0...

  • Page 15: Control Panel Assembly And Parts List

    9.802-431.0 GFCI, 125V 20A, 36' 12-3 CORD (2HOT 2-15024D) 8.752-969.0 Strain Relief,LT,STR, 1/2npt 0.39-0.75id 8.716-547.0 Connector, 1/2" L/T, Straight, Black (2HOT 4-20024A, 4-20024G) 9.802-514.0 Strain Relief, LT, STR, 1/2 NPT,.23-.45D (2HOT 2-15024D) 8.759-482.0 Electric Box gasket Service Manual Landa 2HOT • 9.808-354.0...
  • Page 16 8.752-969.0 Strain Relief,Lt,Str,1/2npt 0.39-0.75id 8.623-315.0 Clamp, 3/8 Hose (D-Slot) 8.933-006.0 Switch, Flow Mv60 8.930-858.0 Pump Landa LH2126S 2.1@2600 1700 RPM 8.757-656.0 Swivel Steel 1/2 Jic (F) X 3/8 Nptf (M) 8.757-549.0 Pump Protector 1/2 140° 8.757-509.0 Elbow Steel 1/2 Sae (M) X 3/8 Nptf (M) 8.757-487.0 Hose Barb Brass 1/2"...
  • Page 17 MOTOR PUMP BELT DRIVE ASSEMBLY 2HOT 4-20024A 2HOT 4-20024G Service Manual Landa 2HOT • 9.808-354.0...
  • Page 18 9.802-744.0 Bolt, 10mm X 20mm, Hh Zinc 8.933-006.0 Switch, Flow Mv60 8.929-970.0 Slider Pump Painted 8.929-962.0 Pump Landa LM3840R.3 3.8@4000 1740 RPM 8.757-656.0 Swivel Steel 1/2 Jic (F) X 3/8 Nptf (M) 8.757-655.0 Adapter Steel 1/2 Jic (M) X 3/8 Nptf (M) 8.757-511.0 Elbow, 3/8", Steel...

  • Page 19: Hose & Spray Gun Assembly

    8.712-334.0 Nozzle, SAQCMEG 2503, Green (2HOT 2-15024D) 8.712-335.0 Nozzle, SAQCMEG 4003, White (2HOT 2-15024D) 8.712-354.0 Nozzle, SAQCMEG, 1505, Yellow (2HOT 4-20024A, 4-20024G) 8.712-355.0 Nozzle, SAQCMEG 2505, Green (2HOT 4-20024A, 4-20024G) 8.712-356.0 Nozzle, SAQCMEG 4005, White (2HOT 4-20024A, 4-20024G) Service Manual Landa 2HOT • 9.808-354.0...

  • Page 20: Downstream Injector Assembly

    8.756-796.0 Injector, Chemical, Non ADJ 0.070(1.8MM) (2HOT 2-15024D) 9.802-216.0 Injector, Chemical, Non Adjust, .083 (2HOT 4-20024A, 4-20024G) 8.740-345.0 Clamp, Hose, UNI .46 - .54 9.802-251.0 Tube, 1/4" x 1/2", Clear Vinyl 6 ft. 8.707-057.0 Strainer, 1/4", Hose Barb Service Manual Landa 2HOT • 9.808-354.0...

  • Page 21: Lh2126S Pump Exploded View

    2, 3, 4, 5, 6, 17, 18,19, 17, 18, 19, 20, ITEM NO’S INCLUDED IN KIT 13, 14, (7), (15) 21, 22 21, 22, 56 NUMBER OF ASSY’S IN KIT NO. OF CYLINDERS KIT SERVICES Service Manual Landa 2HOT • 9.808-354.0...

  • Page 22: Lm Pump Exploded View - Pump Parts List

    9.802-944.0 Hexagonal Screw * Available in kit (See below) 8.717-210.0 Closed Bearing Housing 9.803-192.0 O-Ring Ø1.78 x 60.05 8.933-011.0 Tapered Roller Bearing 8.751-222.0 Crankshaft 9.803-167.0 Crankshaft Key 9.802-921.0 Oil Dip Stick 9.803-140.0 Crankshaft Seal Service Manual Landa 2HOT • 9.808-354.0...

  • Page 23: Burner Specifications

    Assy No. Fuel Nozzle Igniter Motor Fuel Pump Solenoid Coil Electrode 2HOT2-15024D 8.759-409.0 8.754-890.0 9.802-647.0 9.802-642.0 9.802-645.0 9.802-640.0 9.802-669.0 2HOT4-20024A 8.759-454.0 8.755-610.0 9.803-055.0 9.804-054.0 9.802-562.0 9.802-639.0 9.802-670.0 2HOT4-20024G 8.759-454.0 8.755-610.0 9.803-055.0 9.804-054.0 9.802-562.0 9.802-639.0 9.802-670.0 Service Manual Landa 2HOT • 9.808-354.0...

  • Page 24: Burner Exploded View

    9.802-665.0 Ignitor Only, 120v Y 9.802-657.0 Spline Nut 9.802-662.0 Gasket Kit, Ignitor 9.802-671.0 Burner Housing 8.750-492.0 Gun Assembly Complete 9.802-651.0 Gasket, Burner Afg 120v 8.750-780.0 Air Cone, F12 9.802-667.0 Connector Tube, Assy, 8" 9.802-670.0 Electrode Kit Service Manual Landa 2HOT • 9.808-354.0...
  • Page 25 1/5 Hp 9.804-054.0 Motor, 230v 1/4 Hp 9.803-055.0 Transformer, 230v 9.802-670.0 Electrode Kit 8.750-491.0 Escutcheon Plate Escutcheon Plate Screw 8.701-082.0 Burner Housing-'S' Series Rwb 1 8.750-493.0 Gun Assembly Complete 9.802-651.0 Burner Gasket CONE. AIR F16 Service Manual Landa 2HOT • 9.808-354.0...

  • Page 26: Wiring Diagram

    WIRING DIAGRAM FOR MODELS 2HOT2-13024D B 16 GA B 16 GA HOUR METER PUMP SWITCH BURNER SWITCH W 16 GA W 16 GA THERMOSTAT FLOW SWITCH 120 V BECKETT BURNER 120 V 120 V 120 V Service Manual Landa 2HOT • 9.808-354.0...
  • Page 27 R 16 GA FLOW SWITCH B 16 GA RELAY RELAY W 16 GA W 16 GA G 16 GA 24 VAC BECKETT BURNER W 16 GA 230 VAC B 16 GA 208/230 V 230 VAC Service Manual Landa 2HOT • 9.808-354.0...
  • Page 28 Form #9.808-354.0 • Printed in U.S.A.

This manual is also suitable for:

2hot 2-15024d2hot 4-20024a2hot 4-20024g1.109-177.01.109-178.01.109-179.0

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