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  3. Paint Sprayer
  4. SL6500
  5. Service & Operation Manual

AIRLESSCO SL6500 Service & Operation Manual

Summary of SL6500

  • Page 1

    1 001-818 apr08 a irless p aint s prayer s ervice /o peration m anual airlessco sl6500

  • Page 2: Table of Contents

    2 1 table of contents introduction description & specifications................................. 1 safety warnings .................................................. 2 getting started setting up........................................................... 5 flushing.......................................

  • Page 3: Introduction

    2 1 the sl6500 sprayer is the choice of the high volume contractors that need a machine that can pump extremely heavy materials like wallboard mud and waterproofing coatings. It's most popular application is spraying a skim coat of wallboard mud to give a level 5 finish using the supplied size 627 r...

  • Page 4: Warnings

    2 3 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 su...

  • Page 5: Warnings  - Continued

    2 3 toxic fluid hazard hazardous fluid or toxic fumes can cause serious injury or death if splashed in eyes or on skin, inhaled or swallowed. Know the hazards of the fluid you are using. Store & dispose of hazardous fluids according to manufacturer, local, state & national guidelines. Always wear pr...

  • Page 6: Warnings - Continued

    4 5 warnings - continued warning do not use halogenated solvents in this system. The prime valve, 2 gun manifold 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 ma...

  • Page 7: Setting Up

    4 5 setting up 3. Check the engine oil level a. Unscrew the oil fill plug. The dipstick is attached to the plug. B. Without threading the plug into place, check to be sure the oil is up to the top mark on the dipstick. C. If oil is needed, refer to engine manual. 4. Fill the fuel tank warning: fuel ...

  • Page 8

    6 7 5. Storage oil-base paint: flush with mineral spirits. Water-base paint: flush with water, then mineral spirits and leave the pump, hose and gun filled with mineral spirits. For longer storage, use mixture of mineral spirits and motor oil (half & half). Shut off the sprayer, follow pressure reli...

  • Page 9: How to Flush

    6 7 how to flush warning: to reduce the risk of static sparking, which can cause fire or explosion, always hold a metal part of the gun firmly against the metal pail when flushing. This also reduces splashing. Refer to fig 5. 12. Disengage the gun safety latch and squeeze the gun trigger. At the sam...

  • Page 10: Starting Up

    8 9 3. Starting the sprayer (see fig. 6 & 7 above) a. Prime valve must be open - priming position. B. Pressure control knob must be in low pressure. C. Follow the procedure under "how to flush", page 7 steps 6 through 12. Warning: to stop the unit in an emergency or before performing any service or ...

  • Page 11: Starting Up - Continued

    8 9 4. Prime the pump a. Allow pump to operate until paint comes from gun. B. Release the trigger and engage the gun safety latch. C. Turn prime valve open to the prime position ensuring the pressure is released from the system. D. Turn pressure control knob to minimum pressure. E. Install spray tip...

  • Page 12: Pressure Relief Procedure

    10 11 leave prime valve open until you are ready to spray again. 4. Re-engage gun safety latch pressure relief procedure to avoid possible serious bodily injury, including injection, always follow this procedure whenever the sprayer is shut off, when checking or servicing it, when installing or chan...

  • Page 13: Airless Spray Gun Operation

    10 11 airless spray gun operation reversible spray tip trigger major components of spray gun and reversible spray tip spray attach spray gun to airless unit and tighten fittings securely. Set the gun safety latch. (also may be called gun safety lock, or trigger lock) * the gun safety latch should al...

  • Page 14

    12 13 airless spray troubleshooting coarse spray low pressure increase the pressure. Excessive fogging high pressure reduce the pressure to satisfactory pattern distribution. (overspray) material too thin use less thinner. Pattern too wide spray angle too large use smaller spray angle tip. Pattern t...

  • Page 15: Rev-Tip

    12 13 rev-tip ™ size selection chart pattern width thickness of the paint coat per stroke is determined by spray tip "fan width", rate of the spray gun movement, and the distance to the surface being sprayed. Airlessco "wide pattern" spray tips offer fan patterns up to 18-24" wide for optimum covera...

  • Page 16: Regular Maintenance

    14 15 packing tightening procedure: inspect the packing nut daily! If seepage of paint into the packing nut and/ or movement of the piston upward is found (while not spraying), the packing nut should be tightened enough to stop leakage only, but not any tighter. Overtightening will damage the packin...

  • Page 17: Field Troubleshooting

    14 15 solution refill the supply container. Check for loose connections on the siphon assembly, tighten, then reprime pump. Tighten just enough to stop leakage. Replace the packings. See pages 18-20. Replace piston rod increase the pressure. See page 9. See troubleshooting pg. 23. Service the pump. ...

  • Page 18: Servicing Fluid Pump

    16 17 note: check everything in the troubleshooting chart before disassembling the sprayer. Fluid pump disconnect refer to fig. 30 1. Flush out the material you are spraying, if possible. 2. Follow the pressure relief procedure on page 10. Stop the pump in the middle of down stroke. 3. Remove the su...

  • Page 19

    16 17 servicing inlet valve refer to fig. 18 & 30 1. Using a lightweight hammer, loosen then screw the suction nut (187- 084) off of the cylinder (187-095). See fig. 21 2. Remove the inlet seat (187-036), o-ring (106-008), inlet ball (187-092) and inlet retainer (187-075) with o-ring (106-013). See ...

  • Page 20: V-Packing Replacement

    18 19 v-packing replacement fig. 20 v-packing replacement kit (301-443) refer to figures 20 & 21 repack kit contains all leather & plastic v-packings, o-rings, balls and dual side adapter. Gland kit (187-064) refer to figures 20 & 21 gland kit contains four metal male glands. Major repair kit (301-4...

  • Page 21

    18 19 v-packing replacement (continued) h. Metal male gland (187-025). Flat side down and round side up. I. Three plastic v-packings (187-030) alter- nated with two leather v-packings (187-060). Inverted "Λ". J. Metal male gland (187-026). Flat side up and round side down. K. Place new o-rings (106-...

  • Page 22

    20 21 v-packing replacement (continued) * included in the repack kit (301-443), # included in the gland kit (187-064), + included in piston assembly (187-330-99) 1 187-046 packing nut 2 106-013* o-ring black 3 106-012* o-ring white 4 187-047 packing holder 5 187-330-99 piston 6 187-026# gland female...

  • Page 23: Paint System Assembly

    20 21 paint system assembly fig. 22 1 7 6 5 4 3 2 10 9 8 11 17 16 15 14 13 12 9 5 i tem n o. P art n o. D escription 1 120-504 prolight gun (optional) 2 100-011 hose 50' x 1/4" (optional) 3 100-109 nipple 3/8"m x 1/4"m 4 100-023 hose 50' x 3/8" 5 169-010 nipple 3/8"m 6 100-028 plug 1/4" 7 111-200-99...

  • Page 24

    22 23 fig. 23 manifold filter - pn 111-200-99 1 111-202 base 2 301-356 spring 3 106-007 o-ring 4 111-204 filter 5 111-203 support 6 111-201 base 7 100-109 nipple 3/8m x 1/4m 8 100-129 plug 3/8 9 100-028 plug 1/4 10 100-159 swivel parts list figure 24 i tem n o. P art n o. D escription 1 7 6 5 4 3 2 ...

  • Page 25: Prime Valve

    22 23 prime valve fig. 24 step 1: ensure that the pressure control knob (pot) is in the maximum (cw) position. Step 2 : remove the upper and lower clutch and electrical covers. Step 3: check all electrical connections between the engine magneto, sensor, control board and clutch for loose connections...

  • Page 26: Control Board

    24 25 replacement of electrical control board 1. Remove electrical cover. 2. Disconnect sensor lead from electrical board. 3. Disconnect two clutch leads on electrical board from leads on clutch. 4. Using a 1/16" allen, loosen set screw in pressure control knob and remove knob. 5. Using a 1/2" nutdr...

  • Page 27: Clutch Replacement

    24 25 removing clutch refer to figures 25-31 1. Remove the gear box cover (fig 30, item 1) by discon- necting the fluid hose to the manifold filter and by un- screwing the four allen head bolts (fig 30, item 35). 2. Disconnect the fluid pump as described on page 16. 3. Pull off the spacer tubes (fig...

  • Page 28

    26 27 clutch replacement (continued) fig. 26 parts list figure 26 1 301-231 cog belt 2 301-264 clutch replacement 3 305-088 screw 4 100-175 shoulder screw 5 100-173 screw flanged (4) 6 100-174 set screw (2) 7 301-534 block tensioner 8 301-208 new gearbox 9 305-045 plate 10 305-046 spacer tube (4) i ...

  • Page 29: Clutch Assembly

    26 27 1 7 6 5 4 3 2 9 8 fig. 28 clutch assembly fig. 27 5 6 1 2 3 4 8 7 10 9 gearbox engine assembly fig. 29 1 112-041 screw-differential 2 112-054 coupling nut assy 3 301-412 spacer 4 301-413 spacer-removable 5 301-264 clutch-replacement 6 301-037 bearing (2) 7 100-333 retaining ring (2) 8 301-274 ...

  • Page 30: Power Unit Assembly

    28 29 power unit assembly 1 301-320 cover-gearbox 2 301-531 cover-top 3 301-135 grommet (6) 4 301-337 screw2) 5 301-047 sleeve bearing 6 301-333 connecting rod 7 301-208 gearbox 8 305-045 plate-gearbox mount 9 305-064 holder-manifold 10 305-012 adapter 11 301-160 engine-honda gx160 12 305-046 spacer...

  • Page 31: Frame Assembly

    28 29 fig. 31 frame assembly suction assemblies (optional) fig. 32 1 301-201 frame 2 301-202 bracket-motor 3 301-165 wheel (2) 4 136-126 screw (4) 5 140-029 washer (12) 6 100-317 nut (4) 7 331-048 rubber boot (2) 8 113-030 spacer (2) 9 143-029 set collar (2) parts list figure 31 i tem n o. P art n o...

  • Page 32: Hopper Assembly (331-441)

    30 airless atomizer kit (120-117) fig. 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 hopper assembly (331-441) 1 2 1 301-442 hopper assy (32 gal) 2 119-107 swivel assy parts list figure 34 i tem n o. P art n o. D escription fig. 34 operating instructions • always turn on air pressure on first, preven...