Graco LineLazer IV 3900 Series Repair Parts List Manual
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Graco LineLazer IV 3900 Series Repair Parts List Manual

Airless line stripers
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Repair - - Parts List
LineLazer™IV 3900, R300, 5900, and
FieldLazer R300 Airless Line Stripers
- For application of line striping materials -
3300 psi (228 bar, 22.8 MPa) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
311017
312540
310643
311254
309055
311049
248862
311020V
EN

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Summary of Contents for Graco LineLazer IV 3900 Series

  • Page 1 Repair - - Parts List LineLazer™IV 3900, R300, 5900, and FieldLazer R300 Airless Line Stripers 311020V - For application of line striping materials - 3300 psi (228 bar, 22.8 MPa) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual.

  • Page 2: Table Of Contents

    Pinion Assembly/Clutch Armature/Clamp ..Graco Phone Number ......Engine .

  • Page 3: Models

    Models 3900 248862 248863 249008 249009 248864 248865 R300 24M605 24M607 5900 248866 248867 249010 249011 248868 248869 311020...

  • Page 4: Warnings

    Warnings The following Warnings are for safe setup, use, grounding, maintenance and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure- -specific risks. Refer back to these Warnings. WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode.
  • Page 5 D Check equipment daily. Repair or replace worn or damaged parts immediately. D Do not alter or modify equipment. D Use equipment only for its intended purpose. Call your Graco distributor for information. D Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

  • Page 6: Spray Tip Selection Table

    Tip Selection (cm) (cm) (cm) (cm) LL5213* 2 (5) LL5215* 2 (5) LL5217 4 (10) LL5219 4 (10) LL5315* 4 (10) LL5317 4 (10) LL5319 4 (10) LL5321 4 (10) LL5323 4 (10) LL5325 4 (10) LL5327 4 (10) LL5329 4 (10) LL5331 4 (10)

  • Page 7: Maintenance

    Maintenance DAILY: Check and fill the gas tank. AFTER THE FIRST 20 HOURS OF OPERATION: Drain engine oil and refill with clean oil. Reference Pressure Relief Procedure Honda Engines Owner’s Manual for correct oil viscos- ity. 1. Lock gun trigger safety. WEEKLY: Remove air filter cover and clean element.

  • Page 8: Troubleshooting

    (LineLazer IV 3900/R300); 1.7 ± 0.2Ω (LineLaz- er IV 5900); if not, replace pinion housing. Have pressure control checked by authorized Graco dealer. Clutch is worn, damaged, or incorrectly Replace clutch. Page 13. positioned Pinion assembly is worn or damaged Repair or replace pinion assembly.
  • Page 9 Troubleshooting PROBLEM CAUSE SOLUTION Pump output is low Strainer (34f) is clogged Clean strainer. Piston ball is not seating Service piston ball. See pump manual. Piston packings are worn or damaged Replace packings. See pump manual. O-ring in pump is worn or damaged Replace o-ring.
  • Page 10 Troubleshooting PROBLEM CAUSE SOLUTION Gallon counter not working Broken or disconnected wire Check wires and connections. Replace broken wires. Bad sensor Replace sensor Missing magnet Reposition or replace magnet. Sprayer operates, but display does not Bad connection between control board Remove display and reconnect and display Display damaged...

  • Page 11: Bearing Housing & Connecting Rod

    Bearing Housing and Connecting Rod Removal 3. Clean mating surfaces of bearing and drive hous- ings. 4. Align connecting rod with crank (B) and carefully align locating pins (F) in drive housing (24) with 1. Relieve pressure, page 7. holes in bearing housing (22). Push bearing hous- ing onto drive housing or tap into place with plastic 2.

  • Page 12: Drive Housing

    Drive Housing Removal Installation 1. Liberally apply bearing grease (supplied with replacement gear cluster) to gear cluster (23) and to areas called out by note 2. 1. Relieve pressure, page 7. 2. Place bronze colored washer (24g) on shaft pro- truding from large shaft of drive housing (24).

  • Page 13: Pinion Assembly/Clutch Armature/Clamp

    Pinion Assembly/Clutch Armature/Clamp Pinion Assembly/Clutch Armature Removal Pinion Assembly If pinion assembly (25) is not removed from clutch housing (85), do 1. through 3. Otherwise, start at 4. ti5987c ti5481b 1. Remove drive housing, page 12. Fig. 5 2. Fig. 12. Remove clip (251) and junction box (226). 7.
  • Page 14 Installation Clutch Armature Pinion Assembly 6. Fig. 6. Check o--ring (25c) and replace if missing 1. Fig. 8. Lay two stacks of two dimes on smooth or damaged. bench surface. 7. Tap pinion shaft (25d) in with plastic mallet. 2. Lay armature (87) on two stacks of dimes. 8.
  • Page 15 Clutch Housing Removal 1. Fig. 10. Remove four cap screws (186) and lock washers (188) which hold clutch housing (85) to engine. 2. Remove screw (177) from under mounting plate (96). 3. Pull off clutch housing (85). Installation 1. Fig. 10. Push on clutch housing (5). ti6643a 2.

  • Page 16: Engine

    Engine Removal 1. Remove Pinion Assembly/Clutch Armature/ Engine Clamp and Clutch Housing. See pages 11 -- 15. 2. Fig. 12. Remove clip (251) and junction box (226). 3. Fig. 11. Disconnect all necessary wiring. 4. Fig. 12. Remove screw (177). Remove two screws (117), locknuts (118), and ground conduc- tor (230, 260) from base of engine (185).

  • Page 17: Pressure Control

    Pressure Control On/Off Switch Removal Installation 1. Install ON/OFF switch (15g) so tabs of switch snap into place on inside of pressure control housing. 2. Connect ON/OFF switch connector (B) to PC 1. Relieve pressure, page 7. board. 2. Fig. 13. Remove two screws (125) and cover (31). 3.
  • Page 18 Pressure Control Control Board Removal Installation 1. Fig. 13. Install control board (15d) with four screws (15j). 1. Relieve pressure, page 7. 2. Fig. 13. Remove two screws (125) and 2. Figs. 13 and 21. Refer to note on lead connections control cover (31).

  • Page 19: Trigger Sensor Adjustment

    Trigger Sensor Adjustment Refer to Troubleshooting for trigger sensor adjust- ment, and see operation manual. Distance Sensor Adjustment Gear Alignment 5. Install wheel (120) on LineLazer. 6. Install nut (127) until tight, then back off 1/4 turn. Install dust cap (142) on wheel. Sensor Height Adjustment 1.

  • Page 20: Control Board Diagnostics

    Control Board Diagnostics Digital Display Messages Relieve pressure before repair; page 7. No display does not mean that sprayer is not pressurized. DISPLAY SPRAYER INDICATION ACTION OPERATION No Display Sprayer may be pressurized. Loss of power or display Check power source. Relieve not connected pressure before repair or disas- sembly.

  • Page 21: Displacement Pump

    1. Fig. 18. Pull piston rod out 1.5 in. Screw in pump Fig. 19 7673B until holes in bearing cross link and piston rod align. Fig. 20. Fill packing nut with Graco TSL until fluid flows onto the top of seal. 1.5 in. Fig. 20 7677B Fig.

  • Page 22: Parts

    Parts - - LineLazer IV Parts Page 32 Parts Page 26 Parts Page 30 Parts Page 28 Parts Page 24 ti6391b Parts Page 30 Sheet 1 of 7 ti6491b 311020...

  • Page 23: Drive And Pinion Housing Assemblies

    Parts - - Drive and Pinion Housing Assemblies Ref No. 24 and 25 Ref No. 24: Drive Housing Assembly 287467 for Ref No. 25: Pinion Housing Assembly 287463 for LineLazer IV 3900/R300; Drive Housing Assembly LineLazer IV 3900/R300; Pinion Housing Assembly 287465 for LineLazer IV 5900 287469 for LineLazer IV 5900 Part No.
  • Page 24 Parts - - LineLazer IV ti7495a Sheet 3 of 7 Sheet 3 of 7 311020...
  • Page 25 Parts - - LineLazer IV Ref. Ref. Part No. Description Qty. Part No. Description Qty. 237686 WIRE, ground assembly 255162 WHEEL, pneumatic (includes 67) w/ clamp 249082 WHEEL, turf 245225 HOSE, 3/8 X 50 ft (models 24M605, 24M607) 245798 HOSE, 1/4 X 7 ft 111040 NUT, lock, insert, nylock, 5/16 287623...
  • Page 26 Parts - - LineLazer IV Models 248862 and 248866 86 172 Ref 24 (page 23) 186 188 ti6405C 34 (Detail E) Ref. 16 (page 24) Sheet 4 of 7 Detail E (12) 311020...
  • Page 27 Parts - - LineLazer IV Ref. Ref. Part No. Description Qty. Part No. Description Qty. 277069 PUMP, displacement (3900/R300) 119426 SCREW, hex washr hd (3900/R300) 277070 PUMP, displacement (5900) 102962 SCREW, cap sch (5900) 287714 HOUSING, bearing (3900/R300) 170† 101682 SCREW, cap, sch 287715 HOUSING, bearing (5900)
  • Page 28 Parts - - LineLazer IV Models 248862 and 248866 Ref. 141 (page 24) Ref. 141 Ref. 16 (page 24) Ref. 6 (Detail D) Detail D ti6404b Install washers (130) concave surface to inside. Sheet 5 of 7 311020...
  • Page 29 Parts - - LineLazer IV Ref. Ref. Part No. Description Qty. Part No. Description Qty. 240942 SHAFT, fork 112776 WASHER, plain 240991 BRACKET, caster, front 112825 SPRING, belleville 15G952 BRACKET 113471 SCREW, cap, hex hd 181818 KNOB, pronged 132* 113484 SEAL, grease 193528 ARM, detent...
  • Page 30 Parts - - LineLazer IV Models 248862 and 248866 153,108 Ref. 16 Ref. 161 (page 24) 136a ti6403a ti6403a ti6403a ti6403a Ref. 14 Ref. 144 (page 24) Ref. 161 Sheet 6 of 7 311020...
  • Page 31 Parts - - LineLazer IV Ref. Ref. Part No. Description Qty. Part No. Description Qty. 224052 BRACKET, support gun 119648 SCREW, mach, trusshd 248157 GUN, flex, basic, includes guard & tip 1 101566 NUT, lock 287570 HOLDER ASSEMBLY, gun 111145 KNOB, pronged (items 8a thru 8f) 111017...
  • Page 32 Parts - - LineLazer IV Models 248862 and 248866 part of 15i Ref. 13 Ref.27 Ref. 100 Sheet 7 of 7 Ref. 34j 311020...
  • Page 33 Parts - - LineLazer IV Ref. Ref. Part No. Description Qty. Part No. Description Qty. 245103 VALVE, drain 109466 NUT, lock, hex 193709 SEAT, valve 15F589 COVER, control 193710 SEAT, valve 15C766 TUBE, diffusion 116424 NUT, cap 15G563 HANDLE, 114708 SPRING 15H561 MANIFOLD, filter, 3/8 npt...

  • Page 34: Pressure Control Wiring Diagram

    Pressure Control Wiring Diagram Red clip on yellow Yellow TO ENGINE White/Yellow 5900 GROUND 3900/R300 White/Red GROUND ENGINE OFF SWITCH DISPLAY BOARD GUN TRIGGER PICK- -UP POTENTIOMETER TRANSDUCER DISTANCE SENSOR PUMP ti6401a ON/OFF SWITCH PUMP STROKE COUNTER CONTROL BOARD J1 J2 TO ENGINE DRIVE GENERATOR...

  • Page 35: Technical Data

    Technical Data Honda GX120 Engine Maximum delivery Power Rating @ 3600 rpm LineLazer IV 3900/R300 1.15 gpm (4.4 liter/min) ANSI ..... . . 4.0 Horsepower LineLazer IV 5900 .

  • Page 36: Graco Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

Linelazer iv 5900 seriesLinelazer iv r300 seriesLinelazer iv 3900 248863Linelazer iv 3900 249008Fieldlazer r300 seriesLinelazer iv 3900 249009 ... Show all

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