Landa VNG4-2000 Operator's Manual
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OPERATOR'S MANUAL
VNG4-2000
■ VNG4-2024A 1.109-563.0
■ VNG4-2024B 1.109-564.0 ■ VNG4-3024B 1.109-570.0 ■ VNG6-3024C 1.109-576.0
■ VNG4-2024C 1.109-565.0
■ VNG4-2024H 1.109-568.0
VNG8-3000
■ VNG8-3024B 1.109-579.0
■ VNG8-3024C 1.109-580.0
■ VNG8-3024H 1.109-582.0
For technical assistance or the dealer nearest you,
VNG4-3000
■ VNG4-3024A 1.109-569.0 ■ VNG6-3024B 1.109-575.0
■ VNG4-3024C 1.109-571.0
■ VNG4-3024H 1.109-574.0
VNG10-2000
■ VNG10-2024B 1.109-559.0
■ VNG10-2024C 1.109-560.0
consult our web page at www.landa.com
VNG
VNG6-3000
8.913-939.0

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Summary of Contents for Landa VNG4-2000

  • Page 1 ■ VNG4-3024C 1.109-571.0 ■ VNG4-2024H 1.109-568.0 ■ VNG4-3024H 1.109-574.0 VNG8-3000 VNG10-2000 ■ VNG8-3024B 1.109-579.0 ■ VNG10-2024B 1.109-559.0 ■ VNG8-3024C 1.109-580.0 ■ VNG10-2024C 1.109-560.0 ■ VNG8-3024H 1.109-582.0 For technical assistance or the dealer nearest you, consult our web page at www.landa.com 8.913-939.0...
  • Page 2: Table Of Contents

    VNG-S Exploded Views 24-25 VNG-S Parts List 26-27 VNG-L Exploded Views 28-29 VNG-L Parts List 30-31 Control Panel Assembly Control Panel Parts List VNG-L 6-3000, 8-3000 Burner Assembly VNG-L 6-3000, 8-3000 Burner Parts List 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 3 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. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 4: Introduction & Important Safety Information

    If rated more than 250 volts, or more than single must be worn when using this THIS EQUIPMENT. phase this product should only be connected to a equipment. power supply receptacle protected by a GFCI. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 5 Do not use liquid fuel. Have a quali- stream at people, or severe in- RISK OF INJECTION fied serviceman install and service your equipment. OR SEVERE INJURY jury or death will result. TO PERSONS. KEEP CLEAR OF NOZZLE. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 6 WARNING: If connection is made to portable water supply, a back flow device must be provided. Follow the maintenance instructions speci- fied in the manual. Example Of Down Draft Diverter For Gas Fired Machines 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 7: Component Identification

    Hour Meter Trigger Burner Switch Voltage Detergent Incoming Light Valve Power Electrical Box Pump Light Water Supply Inlet Detergent Bucket High (not included) Pressure Water Supply Hose Nozzles (Not Included) High Pressure Hose 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 8: Installation

    Check for sparingly on male threads only and be approved for proper power supply using a volt meter; check the se- all gases. rial plate for the correct requirements. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 9: Installation Guide

    12" Dia. 44.13" 21.21" 42.63" 12.00" Dia. 5.75" 24.00" 25.00" Dia. Control Panel 57.00" Elect. In 3/4 NPT Detergent In Gas In 1” NPT-M 6.00” 5.00" 5.00" 5.75" 8.75" 2.00" 1.50" 1.00" 1.50" 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 10: Propane Gas

    Illustration showing air openings necessary to supply air for in such a manner that the stack will be as straight as combustion when heating appliance is installed in an enclosed room. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 11: Water Source

    6 and 11 w.c.i. for propane. If the desired input rating cannot be obtained within the above manifold pressure adjusting range, the next size larger or smaller burner orifice should be used. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 12: Warning And Check Lists

    NOT ATTEMPT TO read the manual? LIGHT MANUALLY. Has the machine been installed according to operator's manual instructions? CAUTION: If “NO” has been checked on any of the above questions, do not operate the machine. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 13: Operation Instructions

    Selection of high or low pressure is accompanied by turning the handle. Note: High pressure nozzle must be inserted at end of wand to obtain high pressure. To apply soap read operator’s manual. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 14: General Cleaning Techniques

    • Liquids containing solvents (i.e., paint thinner, gasoline, oils) • Tri-sodium phosphate products • Ammonia products • Acid-based products These chemicals will harm the machine and will damage the surface being cleaned. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 15: Maintenance

    Use only SAE 30 weight non-detergent oil. Change oil The areas around the Landa washer should be kept after first 50 hours of use. Thereafter, change oil every clean and free of combustible materials, gasoline and three months or at 500 hour intervals.
  • Page 16 In areas where alkaline water is valve continues to leak, repair or replace the valve. an extreme problem, periodic use of Landa Deliming CAUTION: Relief valve can become obstructed by Powder will remove lime and other deposits before coil deposits and must be unscrewed at least once per becomes plugged.
  • Page 17 If the water heater will be exposed to freezing weather, an anti-freeze solution should be circulated through the coil by whatever means are available for the particular system the water heater is used on. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 18 Attention to regular preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your Landa dealer for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer.
  • Page 19: Troubleshooting Guides

    4. If you do not have continuity through wire and the ignitor/sensor, check for a loose wire connection in the wire. Repair as needed. 5. Check to see if spark shorts to burner ring through a cut in the ignitor wire. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 20 If you read 24V accross the switch terminals the limit switch is open. Replace the limit switch. A pilot flame set too high will also cause burner to short cycle. Pilot flame lifts over ignitor/sensor. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 21 Low gas valve pressure Increase gas pressure as described on page 14. Soot buildup on coils not allowing Clean coils. heat transfer Improper burner nozzle See exploded view parts list. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 22 Unloader valve seat faulty Check and replace if necessary. ON INSTALLATION Nozzle incorrectly sized Check and replace if necessary (see serial plate for proper size). Worn piston packing Check and replace if necessary. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 23 Oil seal worn Check and replace if necessary. EXCESSIVE Irregular functioning of the valves Check and replace if necessary. VIBRATION IN DELIVERY LINE RELIEF VALVE Relief valves defective Replace or repair. LEAKS WATER 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 24: Vng-S Exploded Views

    EXPLODED VIEW - 4-2000, 4-3000 34, 98 78 - For Pump Detail See To Steam Page 44 Valve Detail See Electrical Box Illus. To Detergent Valve Detail See Electrical Box Illus. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 25 EXPLODED VIEW - 4-2000, 4-3000 Remote Control 40 41 22, 26, 27 89139390-3 Ignitor Assy. w/Cable 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 26: Vng-S Parts List

    NPT ST Male 8.725-394.0 Washer, 3/8" Flat, SAE 9.802-146.0 Swivel, 1/2" MP x 3/4" GHF 8.706-248.0 Plug, 3/8" 8.707-055.0 Strainer, Inlet, Garden Hose 9.149-003.0 Discharge Manifold 8.707-000.0 Connector, 1/2", Anchor 8.750-095.0 Thermostat, 302° 8.750-096.0 (Knob) 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 27 8/3 Coleman (4-3A, G) 4.25 ft. 9.802-436.0 ▲ Cord, Service, SEO, 10/3,Coleman (4-2A, G) 4.25 ft. 9.802-437.0 ▲ Cord, Service, SO, 10/4 Coleman (4-3B, C, H) 4.25 ft. 9.802-429.0 ▲ Cord, Service, SEO, 12/4 Coleman (4-2B,C,F,H;) 4.25 ft. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 28: Vng-L Exploded Views

    EXPLODED VIEW - 6-3000, 8-3000, 10-2000 31, 77 Detail See Control 11 - For Panel Float Tank Illus. Detail See Detail See Page 35 Electrical Box Illus. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 29 To Machine Outlet On 6-3000, 8-3000 Models. Plumb Plumb Hose 21 Hose To Unloader To Unloader On Outlet On 89139390-6 6-3000, 8-3000 10-2000 Model Models. Plumb Hose To Machine Outlet On 10-2000 Model 10-2. B/C 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 30: Vng-L Parts List

    8.912-523.0 Brace, Right Side, VNG-L 9.800-031.0 Label, Pilot Warning Light 8.912-521.0 Brace, Left Side, VNG-L 8.719-515.0 Bolt, 3/8" x 1-1/4" NC, Black 8.706-925.0 Bushing, 3/4" x 1/2" Pipe 8.912-249.0 Crosshanger, 1", SCH 80 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 31 Elbow, 1/2 JIC x 3/8 9.149-003.0 Manifold Coil Outlet 8.706-248.0 Plug, 3/8" 8.725-944.0 Disk, Rupture 8000 # 9.184-030.0 Spacer, Rupture Disk 9.196-012.0 Screw, 10-24 x 1/4" 9.802-259.0 Hose, 1/2" Push-on 44" ▲ Not Shown 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 32: Control Panel Assembly

    CONTROL PANEL ASSEMBLY Detergent Remote Detergent Inlet Operating System Line 36 - Detergent Line to Pump Inlet Steam Line Pump Steam Line Pump Detergent Remote Operating System 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 33: Control Panel Parts List

    ▲ Not Shown 8.900-790.0 Label, VNG Control Panel (Auto Start Option) 8.900-804.0 Label, VNG Control Panel (Remote Option) 8.712-349.0 Nozzle, 0004.5 Red (4-3) 8.712-357.0 Nozzle, 0005.5 Red (4-2) 8.712-369.0 Nozzle, 0007 Red (6-3) 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 34: Vng-L 6-3000, 8-3000 Burner Assembly

    VNG 6-3000, 8-3000 BURNER ASSEMBLY From Pump/Unloader To Machine Outlet 89139390-7 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 35: Vng-L 6-3000, 8-3000 Burner Parts List

    Screw, 10/32" x 3/4", Hex 8.706-024.0 Nipple, 1" x 4" Black Pipe 9.802-759.0 Screw, 10/32" x 1/2", 9.802-159.0 Connector, Hex Black 1/4" Tube x 1/4" MPT ▲ Not Shown 9.803-562.0 Cable, Ignitor, 48" 8.706-857.0 Tee, 1/8" Street 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 36: Vng-L 10-2000 Burner Assembly

    VNG-L 10-2000 BURNER ASSEMBLY Ignitor Assy. w/Cable 36 37 89139390-8 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 37: Vng-L 10-2000 Burner Parts List

    Elbow, 1/2" JIC x 1/2", 90° 8.706-216.0 Tee, 1/2" Female Steel Pipe 9.802-043.0 Elbow, 1/2" JIC x 1/2" FPT 9.803-612.0 Solenoid, Pilot 8.707-019.0 Hose Barb, 1/2" Barb x 3/8" 9.802-259.0 Hose, 1/2" Push-On 4.25 ft. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 38: Vng Electrical Box Auto Start

    VNG ELECTRICAL BOX - AUTO START Remote Option 89139390-1 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 39: Vng Electrical Box Auto Start Parts List

    (Remote Option) 9.802-522.0 Strain Relief, 1" 9.800-016.0 Label, Power disconnect (6-3B,) 9.803-975.0 Strain Relief, CG 100-1050 9.802-695.0 Nut 10/32 Keps 1" Blk (4/4 COR) ▲ Not Shown (8-3B, H; 10-2B) Transformer, See Specifications Pages 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 40: Vng Electrical Box Time Delay & Parts List

    Strain Relief, 3/4" 9.802-520.0 Strain Relief, 3/4" (Remote ( Remote Option) Option) Transformer, See Specifications Pages 9.800-016.0 Label, Power disconnect Transformer, See Specifications Pages 9.802-695.0 Nut, Keps, 10/32" Primary Fuse, See Specifications Pages ▲ Not Shown 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 41: Vng Remote Electrical Box

    VNG REMOTE ELECTRICAL BOX - ALL MODELS 6-0517 Cable To Remote Unit (To Be Installed By Electrician) 6-05041 6-03901 10-3014 Cable to Electrical Box 6-0390 6-2001 6-2020 6-2000 6-020530 6-2020 Remote Unit (Customer Installed) 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 42: Vng Handheld Wireless Exploded View & Parts List

    Relay, 120V, RH2B-UL-AC120 1 8.912-675.0 Bracket, Trans, Wireless 9.802-492.0 Block, Terminal, 8 Pole 8.716-442.0 Wireless, Transmitter-Receiver 8.930-439.0 Adapter, 5-Way Mounting 4 Relay 8.900-804.0 Label, VNG Cont. Panel 8.716-444.0 Cable Radio Remote, w/Remote CC58C-5 Coaxial Cable 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 43: Vng Handheld Wireless Operating Instructions

    3 to the pump "OFF" button to reset the timer. Press turn burner "ON" or turn control panel pump switch transmitter pump "ON" button to restart pump. "OFF". 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 44: Vng 4-2000, 4-3000, 6-3000 Pump Assembly

    VNG 4-2000, 4-3000, 6-3000 PUMP ASSEMBLY 4-2000 & 4-3000 6-3000 From Float Tank 89139390-9 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 45: Vng 4-2000, 4-3000, 6-3000 Pump Assembly Parts List

    Clamp, Hose, .46 -, .54 ST 9.802-039.0 Elbow, 1/2" JIC x 3/8" Male 9.802-259.0 Hose, 1/2", Push On 1.25" 9.802-132.0 Elbow, 3/4" JIC x 1/2" (6-3) 8.706-860.0 Tees, 1/2" Street (6-3) 8.709-069.0 Clamp, Screw, #4 ▲ Not Shown 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 46: Vng 8-3000, 10-2000 Pump Assembly

    VNG 8-3000, 10-2000 PUMP ASSEMBLY Float Tank Float Tank Pressure Gauge Auto Start Only (Optional) 89139390-10 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 47: Vng 8-3000, 10-2000 Pump Assembly Parts List

    9.802-362.0 Unloader, PA 8 GPM @3650 PSI VB8 w/Switch (8-3 Auto Start Option) 8.933-006.0 Switch, Flow, MV60, Yellow 9.802-024.0 Elbow, 3/8" x 1/2" Steel, Street 8.706-168.0 Elbow, 3/8" Male Pipe (Auto Start Option) 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 48: Vngl Float Tank & Parts List

    Trim, 750 B2 x 1/16" Black 3.25 ft. 8.707-061.0 ▲ Strainer, 1/2" Basket 9.802-050.0 Adapter, 3/4" x 3/4" 9.802-128.0 ▲ Nipple, 1/2" JIC x 1/2" MT x Insert 90° Pipe ▲ Not Shown 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 49: Hose And Spray Gun Assembly

    Tuff-Flex (8-3, 10-2) AR (AL 344) 9.802-166.0 Coupler, 3/8" Female AL83455VPKIT 9.802-100.0 ▲ O-Ring, Large, Coupler, Repair Kit, AR SS Seat High Heat, 3/8" (AL 334, 344) ▲ Not Shown 9.802-286.0 Nozzle Only, 1/8" 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 50: Parts Specifications, Landa Pump

    8.715-125.0 3TB60 8.715-607.0 P1x1-5/8” 10-20024B LX1025 8.904-891.0 3BK70 H 8.715-617.0 25mm 9.802-403.0 20 HP 230V/3PH 8.715-123.0 3TB60 8.715-607.0 P1x1-5/8” 10-20024C LX1025 8.904-891.0 3BK70H 8.715-617.0 25mm 9.802-403.0 20 HP 460V/3PH 8.715-123.0 3TB60 8.715-607.0 P1x1-5/8” 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 51 8.933-007.0 (2) 8/10 A 9.802-464.0 9.802-553.0 10-2B 9.803-980.0 BX52 (3) 8.715-711.0 8.735-015.0 8.724-307.0 9.802-552.0 8.933-007.0 (2) 8/10 A 9.802-464.0 9.802-553.0 10-2C 9.803-980.0 BX52 (3) 8.715-711.0 8.724-281.0 8.724-306.0 9.802-552.0 1/2 A 9.802-462.0 (2) 8/10 A 9.802-464.0 9.802-553.0 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 52: Burner Specifications

    1" V8943B VNG8-3000 SQ-98 1" V8943B VNG10-2000 SQ-98 1" V8943B VLP4-2000 X-44 3/4" V8943B-393691 LP Kit VLP4-3000 X-44 3/4" V8943B-393691 LP Kit VLP6-3000 SQ-98 1" V8943C VLP8-3000 SQ-98 1" V8943C VLP10-2000 SQ-98 1" V8943C 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 53: Basic Facts

    6.35 Oz./Sq. In. 11 Water Column Inches 4 Lb./Sq. In. 1 Lb./Sq. In. = 27.71 Water Column Inches 1 Lb./Sq. In. "2.04"" Mercury" "1"" Mercury" .39 Lb./Sq. In. 1 Std. Atmosphere 14.73 Lbs./Sq. In 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 54: Vrt3 Unloader Exploded View And Parts List

    “spike” pressure exceeds the 500 psi limit, remove the adjusting knob (Item 18) and re-adjust (lower) the nuts (Items 15) on the stem (Item 8). Re-attach the adjusting knob (Item 18), then repeat step #6. 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 55 9.803-198.0 Washer, Copper 8.932-682.0 O-Ring, Stem 9.803-951.0 Plug, 1/4" 9.802-925.0 Plug, 3/8" 9.803-917.0 Poppet 9.803-198.0 Washer, Copper, 3/8" 8.933-017.0 Spring, Poppet 9.803-950.0 Washer, Copper, 1/4" 8.932-701.0 Discharge Port, 1/2" 8.932-679.0 Body 8.932-702.0 Connector 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 56: Vb8 Valve Exploded View And Parts List

    14.3719.00 Washer, 9 x 15 x 1, 5 mm Sst. 1 40 bar 60.1208.61 Spring, 3.2 x15.4 x 33 mm z.pl. 1 Kit: K1 60.1212.24 Repair kit-VB8. 9 x 1 pcs. (1) 60.1290.00 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 57 (83-60129000) 12-16210000 M4 x 4mm Dowel 12-14358200 Washer D. 30mm 12-60170431 M22 Nut (8360129000) 12-14371900 Washer 9 x 15mm 12-60225431 M30 Nut (83-60129000) 12-29009624 PR5 Pl. Housing Kit 12-60121224 ‡ VB8 Repair Kit 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 58: Pump Exploded View And Parts List

    O-Ring Ø2.62 x 17.13 9.803-177.0 Shim See Kit Valve Assembly 9.803-181.0 Bearing Housing See Kit O-Ring Ø2.62 x 20.29 See Kit Plunger Bolt 9.802-928.0 Valve Plug See Kit Copper Spacer 9.802-943.0 Manifold Stud Bolt 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 59 NUMBER OF CYLINDERS KIT WILL SERVICE REPAIR KIT 9.802-603.0 9.802-606.0 NUMBER Complete Valve Plunger Oil Seals KIT DESCRIPTION (all pumps) (all pumps) ITEM NUMBERS 14, 15, 16 INCLUDED NUMBER OF CYLINDERS KIT WILL SERVICE 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 60: Lx Pump Exploded View And Parts List

    Crankshaft Seal See Kit Valve Assembly 9.803-177.0 Shim 9.803-287.0 O-Ring Ø3.53 x 25.80 9.803-181.0 Bearing Housing See Kit Plunger Bolt 9.802-930.0 Valve Plug See Kit Copper Spacer 9.802-942.0 Manifold Stud Bolt 9.802-890.0 Lock Washer 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 61 KIT DESCRIPTION 25 mm 25mm 25mm Valve Seals ITEMS NUMBERS 35, 36, 37, 4, 6, 8 4, 5, 6, 7, 8 12, 13, 14 INCLUDED 38, 39, 40 NUMBER OF CYLINDERS KIT WILL SERVICE 8.913-939.0 • LANDA VNG • Rev. 5/11...
  • Page 63 Authorized LANDA Dealer of the defect. Your Authorized LANDA Dealer will fi le a claim with Landa, who must subsequently verify the defect. In most cases, the part must be returned to LANDA freight prepaid with the claim. For warranty service on components warranted by other manufacturers, your Authorized LANDA Dealer can help you obtain warranty service through these manufacturers’...
  • Page 64 Form #8.913-939.0 • Revised 5/11 • Printed in U.S.A...

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