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Lemmer DC-5300 Operation - Repair - Parts

Airless paint sprayer
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Operation/Repair/Parts
DC-5300
Airless Paint Sprayer
For portable application of architectural paints and coatings. For professional use only.
Not approved for use in European explosive atmosphere locations.
3000 psi (20.7 MPa, 207 bar) Maximum Working Pressure
IMPORTANT SAFETY INSTRUCTIONS
Read all warnings and instructions in this manual and in gun manual.
Be familiar with the controls and the proper usage of the equipment.
Save all instructions.
See page 3 for model information.
Stand Model

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Summary of Contents for Lemmer DC-5300

  • Page 1 Operation/Repair/Parts DC-5300 Airless Paint Sprayer For portable application of architectural paints and coatings. For professional use only. Not approved for use in European explosive atmosphere locations. 3000 psi (20.7 MPa, 207 bar) Maximum Working Pressure IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual and in gun manual.

  • Page 2: Table Of Contents

    Contents Contents Maintenance ......14 Contents ........2 Daily Maintenance .

  • Page 4: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
  • Page 5 Warnings WARNING WARNING WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: • Do not spray or clean with materials having flash points lower than 100° F (38° C). Use only non-flam- mable or water-based materials, or non-flammable paint thinners.
  • Page 6 Warnings WARNING WARNING WARNING SKIN INJECTION HAZARD High-pressure spray is able to inject toxins into the body and cause serious bodily injury. In the event that injection occurs, get immediate surgical treatment. • Do not aim the gun at, or spray any person or animal. •...
  • Page 7 Warnings WARNING WARNING WARNING MOVING PARTS HAZARD Moving parts can pinch, cut or amputate fingers and other body parts. • Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure and disconnect all power sources.

  • Page 8: Component Identification

    Component Identification Component Identification ti22321a Power switch Turns sprayer ON and OFF Pressure Control Knob Adjusts pressure. Turn clockwise to increase pressure and coun- terclockwise to decrease pressure. Prime Valve Primes pump. Prime Valve Open Position Valve is in open position when handle is in the vertical position. Prime Valve Closed Position Valve is in closed position when handle is in the horizontal posi- tion.

  • Page 9: Operation

    Operation Operation Grounding The equipment must be grounded to reduce the risk of static sparking and electric shock. Electric or static sparking can cause fumes to ignite or explode. Do not modify the plug provided; if it does not fit the Improper grounding can cause electric shock.

  • Page 10: Pails

    Operation Pails Pressure Relief Procedure Follow this Pressure Relief Procedure whenever you Solvent and oil/based fluids: follow local code. Use stop spraying and before cleaning, checking, servicing, only conductive metal pails, placed on a grounded sur- or transporting equipment. face such as concrete. Do not place pail on a non-conductive surface such as paper or cardboard which interrupts grounding continuity.

  • Page 11: Setup

    Operation Setup Oil- or Water-based Materials • When changing from water-based material to oil based material, flush with soapy water and then mineral spirits. • When changing from oil based material to water To reduce the risk of static sparking, fire or explosion base material, flush with mineral spirits, followed by which can result in serious bodily injury and property soapy water, then a clean water flush.

  • Page 12: Startup

    Operation 4. Turn Pressure Control Knob to low. 12. If you are going to store the sprayer see Storage, page 13. Engage the gun trigger lock. 13. Whenever shutting down the sprayer, follow Pres- sure Relief Procedure, page 10. NOTICE To prevent damage and freezing during storage, never leave water in the fluid pump ti22322a...

  • Page 13: Clearing Clogs

    Operation Clearing Clogs Shutdown 1. Relieve Pressure, page 10. 2. Clean the tip and gun as recommended in the sepa- rate Gun Manual supplied with the gun. 1. Release trigger. Engage trigger lock. Rotate Spray 3. If spraying water-based material or a material that Tip.

  • Page 14: Maintenance

    Maintenance Maintenance Daily Maintenance 9. To increase brush life, new brushes (Part # 331780) need to have a run in period. After changing brushes, set the machine for spraying. With a 1. Keep the displacement pump packing nut/wet cup bucket of Pump Conditioner and water, a 50’ 1/4” lubricated with Throat Seal Oil (TSO) or Packing airless hose, airless gun and tip on unit, open the Seal Fluid at all times.
  • Page 15 Maintenance Fluid Pump Reinstall 1. Loosen the packing nut and ensure that the piston rod (10) is in its upper position in the fluid pump body, snap cap onto packing nut and slip the sleeve (3) and the retaining ring (4) over the piston rod (10).

  • Page 16: Servicing The Inlet Valve - Hi-Boy

    Maintenance Servicing the Inlet Valve - Hi-Boy Packing Replacement Procedures 1. Relieve Pressure, page 10. Disconnect power from unit. Disassembly of the Fluid Pump 2. Un-thread and remove suction nut from the fluid 1. Disconnect the Fluid Pump, page 14. pump body (8).
  • Page 17 Maintenance 8. Take three spring washers (16) and slide over the 18. Reinstall Fluid Pump, page 15. top of the piston (14) in the following order: • First spring - curve facing up • Second spring - curve facing down •...

  • Page 18: Gear And Pump Assembly

    Maintenance Gear and Pump Assembly 7. Clean mating surfaces of cover and box thoroughly. Apply adhesive on half the bottom surface of end bell. Servicing Gear box Assembly 8. Reassemble in reverse order. 1. Remove fluid pump. See Fluid Pump Disconnect, page 14.

  • Page 19: Replacement Of Electrical Components

    Maintenance Replacement of Electrical NOTICE Components Unit will not operate if wires are disconnected or pinched. Upon reassembly, ensure all wires are connected and not pinched. On-Off Toggle Switch To avoid electric shock, always unplug the electrical 1. Lower the pressure control assembly as described cord before servicing the machine.

  • Page 20: Troubleshooting

    Troubleshooting Troubleshooting Problem Cause Solution Unit doesn’t prime Air leak due to loose suction nut Tighten suction nut. Air leak due to worn o-rings For Hi-Boy: Replace o-ring (108526) on suc- tion seat and o-ring (867370) below suction seat. For Stand: Replace o-ring (120777) on suction seat and o-ring (121370) below suction seat.
  • Page 21 Troubleshooting Problem Cause Solution Machine does not start Control Settings Make sure machine is plugged into the wall. Verify the on-off switch is in the ON position and the pressure control knob is turned all the way to the right (clockwise for maximum pres- sure).

  • Page 22: Parts

    Parts Parts Manifold Filter (868014) Model 868057 Ref. Part Description Qty. 867145 COVER 301356 SPRING 867377 O-RING 867214 FILTER 60 MESH 867647 SUPPORT 867077 BASE 867420 PLUG 867309 NIPPLE 3/8” NPT x 1/4” NPT 557391 PLUG 1/4” NPT 44‡ FITTING 46‡...

  • Page 23: Stand Frame Parts Diagram

    Parts Stand Frame Parts Diagram ti22328a Ref. Part Description Qty. Ref. Part Description Qty. HSE1450 HOSE CPLD 1/4” x 50 ft. 331101 FRAME, CARRY Mustang 4800) 16F551 FASTENER,THREAD,EXTERNAL 245449 HOSE, 1/4” x 25 ft. 331048 RUBBER BOOT 289316 GUN, 500,2 FINGER,ASM...

  • Page 25: Control Parts Diagram

    Parts Control Parts Diagram 220/230V Models 120V Models ti22429a Ref. Part Description Qty. Ref. Part Description Qty. 868010 GASKET, terminal box 867243 GASKET, seal 868004 COVER, terminal box 868000 BOX, terminal, weldment 112608 GUARD, switch 868013 SEAL, rubber 139355 SCREW, self-drilling, tek 331342 SCREW, 10-24 X 0.50 17M047 WASHER, lock 116969 NUT, lock...

  • Page 26: Motor And Drive Parts Diagram

    Parts Motor and Drive Parts Diagram Stand Model Circuit board fuse, 15Amp L045-352 See page 29 ti22329b...

  • Page 27: Drive Parts

    Parts Drive Parts Ref. Part Description Qty. Ref. Part Description Qty. 866477 COVER,FRONT,ASSEMBLY MOTOR (Includes 35a, 35b, 35c) 331491 1HP, 120V (120V models) 35a 331046 BEARING 331492 0.5 HP, 220V (220V-240V models) 35b 331061 SLEEVE BEARING 331785 FAN (not shown) 35c 331103 WASHER 331786...

  • Page 28: Packing Replacement

    Parts Packing Replacement Ref. Part Description Qty. 331014 MALE GLAND L045-141 PACKING POLYETHYLENE L045-142 FEMALE ADAPTOR L045-143 FLUID PUMP BODY 331029 SUCTION BALL GUIDE L045-134 SUCTION SEAT (HI-BOY) 331051 SUCTION SEAT (LO-BOY) L045-124 SUCTION NUT 331314 OUTLET SEAT RETAINER 2 2 2 L045-117 OUTLET SEAT 12+* L045-118 O-RING 22 22...

  • Page 29: Suction Assemblies

    Parts Gearbox Sleeve Bearing Replacement Ref. Part Description Qty. 331061 SLEEVE BEARING 331103 WASHER 331197 SCREW NOTE: When replacing item (1), cover outside of sleeve with 6 drops of Loctite 246 prior to inserting into cover assembly. ti16059a Suction Assemblies Stand Chassis ti22330a Ref.

  • Page 30: Electrical System

    Parts Electrical System 120V Power Plug On/Off Switch Black White To Motor Green (Ground) Board Kit 868018 Pressure Control ti22336a 230V Power Plug On/Off Switch Brown Black Blue To Motor Green (Ground) White Board Kit 868019 ti22337a Pressure Control Ref. Part Description Qty.

  • Page 31: Technical Data

    Technical Data Technical Data DC-5300 Metric Sprayer Power Requirements 120V AC, 60 hz, 10.5A, 1 phase Generator required 3000w minimum Maximum working pressure 3000 psi 20.7 MPa, 207 bar Cycles per gallon (liter)* 0.53 gpm 2.0 lpm Maximum delivery Maximum tip size DC-5300 0.021...

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