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SAFETY WARNINGS

NOTE: United States Government safety 

standards have been adopted under the 

Occupational Safety & Health Act. These 

standards, particularly the General Standards, 

Part 1910 & Construction Standards, Part 1926 

should be consulted.

 

 

     DO NOT USE HALOGENATED SOLVENTS IN THIS SYSTEM. 

The prime valve, and most airless guns have aluminum parts and may explode. Cleaning agents, coatings, paints or adhesives 

may contain halogenated hydrocarbon solvents.  DON'T TAKE CHANCES! Consult your material suppliers to be sure. Some of 

the most common of these solvents are:  Carbontetrachloride,  Chlorobenzene, Dichloroethane, Dichloroethyl Ether, 

Ethylbromide, Ethylchloride, Tethrachloethane.  Alternate valves and guns are available if you need to use these solvents.

HIGH PRESSURE SPRAY CAN CAUSE EXTREMELY SERIOUS INJURY. 

Handle as you would a loaded firearm.

Follow the PRESSURE RELIEF PROCEDURE

.

MEDICAL ALERT 

-

 Airless Spray Wounds   

If any fluid appears to penetrate your skin, get

EMERGENCY MEDICAL CARE AT ONCE.  

DO NOT TREAT AS A

 

SIMPLE CUT

Tell the doctor exactly what fluid was injected

.

 

NOTE TO PHYSICIAN

: Injection in the skin is a traumatic 

injury.

 It is important to treat the injury surgically as 

soon as possible. DO NOT DELAY treatment to research 

toxicity. 

Toxicity is a concern with some exotic coatings injected 

directly into the blood stream. Consultation with a plastic surgeon 

or reconstructive hand surgeon may be advisable.

GENERAL PRECAUTIONS

• 

NEVER

 alter equipment in any manner.

• 

NEVER

 smoke while in spraying area.

• 

NEVER

 spray highly flammable materials.

• 

NEVER

 use around children.

• 

NEVER

 allow another person to use sprayer unless  

  he is thoroughly instructed on its safe use and  

 

  given this operators manual to read.
• 

ALWAYS

 wear a spray mask, gloves and protective  

  eye wear while spraying. 
• 

ALWAYS

 ensure fire extinquishing equipment is   

  readily available and properly maintained

.

NEVER LEAVE SPRAYER UNATTENDED 

WITH PRESSURE IN THE SYSTEM. 

FOLLOW PRESSURE RELIEF

PROCEDURES.

• Fluids under high pressure from spray or leaks can

  penetrate the skin and cause extremely serious injury,  

 

  including the need for amputation.

• 

NEVER 

point the spray gun at anyone or any part of  

 

  the body.

• 

NEVER

 put your hand or fingers over the spray tip. Do  

 

  not use a rag or any other materials over your fingers.  

 

  Paint will penetrate through these materials & into the hand.

• 

NEVER

 try to stop or deflect leaks with your hand or body.

• 

ALWAYS

 have the tip guard in place when spraying.

• 

ALWAYS

 lock the gun trigger when you stop spraying.

• 

ALWAYS

 remove tip from the gun to clean it.

• 

NEVER

 try to "blow back" paint, this is not an air spray 

 

  sprayer.
• 

ALWAYS

 follow the 

PRESSURE RELIEF

 

PROCEDURE

 

before cleaning or removing the spray tip or servicing any    

  system equipment.
• Be sure the equipment safety devices are operating properly  

  before each use.
• Tighten all of the fluid connections before each use.

MEDICAL TREATMENT

\

• If any fluid appears to penetrate your skin, get 

EMERGENCY

  CARE AT ONCE!  DON'T TREAT AS A SIMPLE CUT.

• Go to an emergency room immediately.
• Tell the doctor you suspect an injection injury.
• Tell him what kind of material you were spraying with

  and have him 

read NOTE TO PHYSICIAN above.

INJECTION HAZARD

Summary of Contents for LP 400

Page 1: ...AIRLESSCO LP400 ALLPRO 410E AIRLESS PAINT SPRAYER SERVICE OPERATION MANUAL Form No 001 700 APR07...

Page 2: ...ay Gun Operation 11 Spray Gun Troubleshooting 12 Spray Tip Selection 13 Electric Motor Maintenance 14 Field Troubleshooting 15 Servicing the Fluid Pump 16 Servicing Piston Rod Outlet Valve 18 Servicin...

Page 3: ...RVE ALL WARNINGS Specifications Motor Type 6 HP TEFC DC Max Pressure 3000 PSI Max Output Pressure 46 gpm Free Flow 5 gpm Max Tip Size 021 Material Applications Oil Base Coatings Sealer Varnish Water B...

Page 4: ...smoke while in spraying area NEVER spray highly flammable materials NEVER use around children NEVER allow another person to use sprayer unless he is thoroughly instructed on its safe use and given thi...

Page 5: ...s with a spring guard The spring guard helps protect the hose from kinks or other damage which could result in hose rupture and cause an injection injury NEVER use a damaged hose which can result in h...

Page 6: ...spraying and before adjusting removing or repairing any part of the sprayer NEVER alter or modify any part of the equipment to avoid possible component rupture which could result in serious bodily inj...

Page 7: ...ssure relief valve Water base Paint Flush with water then mineral spirits For longer term storage use a 50 50 mixture of mineral spirits and motor oil Always ensure that there is no pres sure in the u...

Page 8: ...afety latch and squeeze the gun trigger Turn the ON OFF Toggle Switch to the ON position Figure 3 and turn Pressure Control Knob Figure 2 clockwise to increase pressure just enough to start the pump 7...

Page 9: ...male threads only 3 Check the electrical service Be sure the electrical service is 120 VAC 15 amp minimum and that the outlet you use is properly grounded 4 Grounding 2 Fill the packing nut wet cup wi...

Page 10: ...ety latch and you are ready to spray FIGURE 7 FIGURE 9 PRESSURE CONTROL KNOB is used to adjust pressure Turn clockwise CW to increase pressure and counterclockwise CCW to decrease pressure FIGURE 8 TO...

Page 11: ...e gun toward the ground or into a waste container when checking to see if the tip is cleared or when using a self cleaning tip 5 When Shutting off the Sprayer a Whenever you stop spraying even for a s...

Page 12: ...n contact with grounded metal pail USE MINIMUM PRESSURE 5 Re engage gun safety latch and close Prime Pressure Relief Valve If the SPRAY TIP OR HOSE IS CLOGGED follow Step 1 through 5 above Expect pain...

Page 13: ...Disengage trigger lock trigger gun into pail 4 If the REV TIP handle appears locked resists turning loosen the retaining nut The handle will now turn easily 5 Engage gun safety latch return handle to...

Page 14: ...p Up Pump worn or malfunctioning Service pump Thin or Spotty Coverage Holidays Small tip orifice Spray gun hand speed fast Select larger tip orifice Decrease pass speed Thin Coverage in Center of Patt...

Page 15: ...t per minute can be sprayed through the tip Do not use a tip larger than the maximum pump flow rate or capacity the sprayer can accommodate Pump flow rate is measured in gallons per minute GPM Spray t...

Page 16: ...ter Flow Rate gpm 12 18 24 31 38 47 57 67 77 1 03 1 31 1 63 1 80 lpm 49 69 91 1 17 1 47 1 79 2 15 2 54 2 96 3 90 4 98 6 17 6 81 Paint Flow Rate gpm 10 15 21 27 33 40 49 58 66 88 1 12 1 39 1 54 lpm 38...

Page 17: ...n the two covers at the rear of the motor c Loosen the screw holding the brush terminal and remove the brush lead d Push the brush retainer clip in and remove e Remove the worn brushes one on each sid...

Page 18: ...rn up pressure or poor pressure Filter s are clogged Clean or replace gun filter inlet filter and or manifold filter Outlet Valve fouled worn Service outlet valve Prime Pressure Relief valve Clean or...

Page 19: ...ase Part No 331 132 7 Clean mating surfaces of cover and box thoroughly Use Part No 105 331 BLUE XS ADVANCED RTV SILICONE INSTANT GASKET 8 Reassemble in reverse order Part Number Description 331 234 C...

Page 20: ...ve the grey wire from the Pressure Control Switch 6 Remove the retaining ring 331 062 from the connecting rod 331 038 and slide the sleeve 331 117 down revealing the connecting rod pin 331 065 7 Remov...

Page 21: ...ower suction valve assembly by placing the suction seat assembly O ring 106 011 suction ball 331 030 and suction ball guide 331 029 in the suction nut 331 034 and screw onto the fluid pump body 5 Reco...

Page 22: ...rvicing the Suction Assembly Refer to Figure 14 1 Unthread and remove suction nut from the fluid pump body 2 Remove suction seat Item 5 O ring Item 4 suction ball Item 3 and suction retainer Item 2 3...

Page 23: ...ton it doesn t matter which direction it sits falling onto lower packings Replacement Instructions Packing Replacement Procedures inverted side down up 8 Take three Belleville Springs 331 025 slide ov...

Page 24: ...22 Packing Replacement Procedures Continued FIGURE 16 FIGURE 15...

Page 25: ...ws 3 8 301 191 Fan Retaining Clip 9 331 398 Motor Brush 2 10 301 405 Blank Plate 11 331 838 Terminal Box Item Part Description 12 111 037 Screw 4 13 100 382 Screw 2 14 100 028 Plug 1 4 NPT 15 331 048...

Page 26: ...mber Description 1 331 217 Inlet Strainer 2 331 135 Spring Clip 3 331 290 Suction Hose Ass y Inc strainer 4 331 425 Bypass Hose 5 111 016 Nylon Tie 6 331 231 Bypass Hose Ass y 7 331 090R Fitting 8 331...

Page 27: ...is no power getting to the machine Check your power source outlet circuit breaker extension cord and power cord If you have AC voltage at the L1 and L2 terminals go to step 4 Fuse Thermal Overload Pre...

Page 28: ...SEMBLY Electrical Control Board 1 Unplug machine s power cord 2 Remove four screws Fig 17 Item 12 from pressure control assembly 3 Disconnect all leads from pressure control assembly 4 Reassemble in r...

Page 29: ...wer Cord 2 331 185 Strain Relief 3 331 138 Screw 4 331 312 Fuse Holder 5 331 256 Fuse 15A Slow Blow 6 331 311 Toggle Switch 7 331 490 Motor 6HP 90VCD 8 331 749 Pressure Control Assembly 9 331 725 Pres...

Page 30: ...28 NOTES...

Page 31: ...29 NOTES...

Page 32: ...ECH CO 5397 N Commerce Ave Moorpark CA 93021 Tel 805 523 0211 Fax 805 523 1063 www airlessco com eMail techsupport airlessco com SUBJECT TO CHANGE WITHOUT NOTICE Copyright 2007 Airlessco by Durotech C...

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