Graco LineLazer II 3900 Instructions Manual
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Graco LineLazer II 3900 Instructions Manual

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INSTRUCTIONS-REPAIR
KEEP FOR REFERENCE.
Read this and all related manuals for
important warnings and instructions.
INSTRUCTIONS
LineLazer II 3900 and 5900
3300 psi (230 bar, 23 MPa ) Maximum Working Pressure
LineLazer II 3900
Model
Series
232651
A
Complete Sprayer
232652
A
Complete Sprayer with 2nd Gun Kit
233011
A
Complete Sprayer with Gauge and
Pail Kit
233012
A
Complete Sprayer with 2nd Gun Kit,
Gauge and Pail Kit
LineLazer II 5900
Model
Series
232661
A
Complete Sprayer
232662
A
Complete Sprayer with 2nd Gun Kit
233013
A
Complete Sprayer with Gauge and
Pail Kit
233014
A
Complete Sprayer with 2nd Gun Kit,
Gauge and Pail Kit
Spray Tip Selection Guide
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Repair
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GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Description
Description

Table of Contents

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ECOPYRIGHT 1999, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
Model 232651
All models are not available in all countries
PATENTS PENDING
Related Manuals
Operation
Displacement Pump
Spray Gun
Spray Tip
PC Board
Drain Valve Kit
* for spray tip selection see page 4.
3
Pressure Control
4
Displacement Pump
5
6
Model 232651, 232661 LineLazer II
Pinion Assembly
8
Complete Sprayers
9
10
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11
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12
12
308874
First choice when
quality counts.t
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Rev. N
8824A
308873
308798
308235
*
308919
308961
14
16
17
25
28
27
29
29
29
29

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Summary of Contents for Graco LineLazer II 3900

  • Page 1: Table Of Contents

    ......GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 1999, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Warning Symbol

    Warnings and Cautions Warning Symbol Caution Symbol WARNING CAUTION This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions. or destruction of equipment if you do not follow the instructions.

  • Page 3: Component Identification And Function

    Component Identification and Function Model 232651 ENGINE SPEED ENGINE STOP TIP SIZE 8825A Fig. 1 Pressure Control Switch ON/OFF, enables/disables clutch function Pressure Adjusting Knob Controls fluid outlet pressure Air Cleaner* Filters air entering the carburetor Fuel Tank* Uses 86 octane gasoline Muffler* Reduces noise of internal combustion Spark Plug Cable*...
  • Page 4 Spray Tip Selection Table LineLazer Tip Selection Guide. Sprayer is supplied with tip LL5319. For additional applications, use the tip selection table as follows: Note: the last three digits (LL5319) of the tip part number identifies the line width and tip orifice (opening) in millimeters. For example: the line width for tip LL5319 is 4 in.

  • Page 5: Maintenance

    Maintenance DAILY: Check and fill the gas tank. WARNING AFTER THE FIRST 20 HOURS OF OPERATION: INJECTION HAZARD Drain the oil and refill with clean oil. The system pressure must be manually relieved to prevent the system from WEEKLY: Remove air filter cover and clean element. starting or spraying accidentally.

  • Page 6: Troubleshooting

    F, the resistance must be between 1.2  0.2Ω (LL 3900); 1.7  0.2Ω (LL 5900); if not, replace pinion housing. Have pressure control checked by authorized Graco dealer. Clutch is worn, damaged, or incorrectly Replace clutch. See page 10. positioned.
  • Page 7 PROBLEM CAUSE SOLUTION Hose inlet screen (27) is clogged. Clean inlet screen. Pump output is low on upstroke upstroke. Piston ball (25) is not seating. Service piston ball. See manual 308798. Piston packings are worn or damaged. Replace packings. See manual 308798. O-ring (17) in displacement pump is worn or Replace o-ring.

  • Page 8: Bearing Housing And Connecting Rod

    Bearing Housing and Connecting Rod NOTE: The item numbers referenced are for the 11. Assemble connecting rod (85) and bearing housing Hi-Boy models. The Lo-Boy models may have different (84). item numbers. Use the Hi-Boy item number and part to 12.

  • Page 9: Drive Housing

    Drive Housing Removal Installation 1. Liberally apply bearing grease (supplied with replacement gear cluster) to gear cluster (78). and Relieve pressure; page 5. to areas called out by note 3. Use full 0.62 pint (0.29 liter) of grease for LL 3900 and 0.68 pint 2.

  • Page 10: Pinion Assembly/Rotor/Field/Shaft/Clutch

    Pinion Assembly/Rotor/Field/Shaft/Clutch Removal Fig. 6. If pinion assembly (88a) is attached to clutch 5. Remove four screws (52) and lockwashers (50). housing (92), do 1. through 4. Otherwise, start at 5. Install two screws in threaded holes (E) in rotor. Alternately tighten screws until rotor comes off.

  • Page 11: Clamp

    Pinion Assembly/Rotor/Field/Shaft/Clutch Installation 1. Fig. 10. Lay two stacks of two dimes on smooth 5. Install four screws (53) and lockwashers (50) with bench surface. torque of 125 in-lb. 2. Lay armature (91) on two stacks of dimes. 6. Fig. 8. Tap pinion shaft (A) in with plastic mallet. 3.

  • Page 12: Clutch Housing

    Clutch Housing Removal 1. Fig. 12. Remove four capscrews (98) and lockwashers (99) which hold clutch housing (92) to engine. 2. Remove cap screw (96), lockwasher (50), and washer (97) from beneath mounting plate (D). 3. Remove engine key (95). 4.
  • Page 13 On/Off Switch Removal Installation 5. Install new ON/OFF switch (309) so tabs of switch Relieve pressure; page 5. snap into place on inside of pressure control housing. 2. Fig. 15. Remove five screws (307) and cover (322). 6. Connect two wires (A) to ON/OFF switch. 3.
  • Page 14 Pressure Control Control Board Removal Installation When installing replacement control board, follow instructions with control board to set model type. Relieve pressure; page 5. 1. Fig. 15. Install control board (302) with five 2. Fig. 15. Remove five screws (307) and screws (303).

  • Page 15: Pressure Control

    Pressure Control Control Board Diagnostics 1. Fig. 15. Remove five screws (307) and 3. Turn ON/OFF switch ON. cover (322). 4. Observe LED operation and reference following 2. Start engine. table: SPRAYER OPERATION INDICATES WHAT TO DO BLINKS Two times Sprayer shuts down and LED contin- Run away pressure.
  • Page 16 1. Fig. 19. Pull piston rod out 1.5 in. Screw in pump until holes in bearing cross link and piston rod Fig. 20 7673B align. 4. Fig. 21. Fill packing nut with Graco TSL, through the slit, until fluid flows onto the top of seal. 1.5 in. 7677B Fig. 21 Fig.
  • Page 17 Parts – LineLazer II Models 232651 and 232661 A (Sheet 2) B (Sheet 3) C (Sheet 3) 96 (LL 3900) 97 (LL 5900) D (Sheet 3) 25 Ref 25 Ref E (Sheet 3) 118a F (Sheet 4) 118c 118b 118d Label 118f 118e...
  • Page 18 Parts – LineLazer II Models 232651 and 232661 (Cont’d) 8831A 74 Ref 106 62 Ref Detail A 8837A Label Sheet 2 of 5 308874...
  • Page 19 Parts – LineLazer II Models 232651 and 232661 (Cont’d) 61 Ref 25 Ref 17 Ref 152,16 17 Ref 25 Ref 8832A 8836A Detail B 8833B Detail C Sheet 3 of 5 308874...

  • Page 20: Models 232651 And 232661 (Cont'd)

    Parts – LineLazer II Models 232651 and 232661 (Cont’d) 58 Ref 8834A Detail D 37 Ref 117 Ref 102 Ref 8835A Detail E Sheet 4 of 5 308874...

  • Page 21: Ref

    Parts – LineLazer II Models 232651 and 232661 (Cont’d) Top View 118ad 118ae 118aa 118af 118ac 118ab wheel 118am 118an 118ab(Ref) 118ak 118aa(Ref) 118aj 118ah 118ag 118af(Ref) 118at 118av 118ar 118as 3(Ref) 118ap 118aq 118au A–A 8838A Detail F Sheet 5 of 5 308874...

  • Page 22: Ref

    Parts – LineLazer II Models 232651 and 232661 Part No. Description Part No. Description 114631 SCREW, thread forming, hex hd 186821 LABEL, warning PRESSURE CONTROL Parts, page 26 240780 BRACKET , arm, gun 194071 LABEL, identification 243284 GUN, flex, basic 241444 COVER, abs, painted 100016...

  • Page 23: Ref

    Parts – LineLazer II Models 232651 and 232661 (Cont’d)* Part No. Description Part No. Description 186812 CHAIN, ground, 3.5 hp CLUTCH HOUSING 100731 WASHER 193540 LL 3900 114653 SCREW, cap, flange hd 193531 LL 5900 240999 CONDUCTOR, ground 193680 COLLAR, shaft 110963 SCREW, cap, flange hd 108868...
  • Page 24 Parts – LineLazer II Part No. Description Part No. Description 114682 SPRING, compression 114802 STOP, wire LOCKWASHER 105510 LL 3900 240719 KIT ASSY, wheel/swivel 104008 LL 5900 118a 240719 . CASTER ASSY, swivel SCREW, cap, soc. hd 118aa 240940 . . KIT, repair, bracket, hub 100644 LL 3900 includes 118aj (2) and 118ah (1)
  • Page 25 Parts – Drive and Pinion Housings 120 (Ref) 119 (Ref) 88 (Ref) 79 (Ref) 87 (Ref) 50 (Ref) 51 (Ref) 79 (Ref) 78 (Ref) 77 (Ref) Only used on LineLazer 3900. Pinion housing 88 includes clutch field and connector. TI0177A Ref No.
  • Page 26 Parts – Pressure Control NO. PART NO. DESCRIPTION PRESSURE CONTROL (see page 22, item 2 for next higher assembly) 193653 PLATE, control 241093 BOARD, PC 111839 SCREW, machine, pan hd, 6–32 x 1/2 in. 240776 HARNESS, wiring. 193497 GASKET , control 193652 HOUSING, control box 193052...
  • Page 27 Parts – Fluid Filter 318f 318e 318d 318b 318c 8716A 318a NO. PART NO. DESCRIPTION (see page 26, item 318 for next higher assembly) 318a . 193651 HOUSING, filter 318g 318b . 104361 O-RING 318h 318c . 186075 SUPPORT, filter 318d .
  • Page 28 240248 your sprayer. The drawing shows the best place- European Pail Cover and Holder 240717 ment of these labels for good visibility. Order the labels from your Graco distributor. Flex Gun Repair Kit 235474 Includes needle, gasket, diffuser/seat. Apply other...

  • Page 29: Dimensions

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

  • Page 30: Graco Warranty

    Graco distributor to the original purchaser for use. 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 ii 5900

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