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Manual Graco 3900

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Summary
  • Graco 3900 - page 1

    309409E 233705 Related Manuals Operation 309408 . . . . . . . . . . . . . . . . . . . . . . . . . . Displacement Pump 309277 . . . . . . . . . . . . . . . . . Spray Gun 309639 . . . . . . . . . . . . . . . . . . . . . . . . . T exture Spray Gun 308491 . . . . . . . . . . . . . . . . . . Spray T ip 309640 . . . . . . . . . . . . . . . . . . . . . . ...

  • Graco 3900 - page 2

    309409 2 T able of Contents W arnings and Cautions 2 . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T roubleshooting 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repair Bearing Housing & Connecting Rod 8 . . . . . . . . . . . . . Drive Ho ...

  • Graco 3900 - page 3

    309409 3 W ARNING INJECTION HAZARD Spray from the spray tip, hose leaks or ruptured components can inject fluid into your body and cause extremely serious injury , including the need for amputation. Splashing fluid in the eyes or on the skin can also cause can also cause serious injury .  Fluid injected into the skin might look like just a cut, ...

  • Graco 3900 - page 4

    309409 4 W ARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition and result in fire or explosion and serious injury .  Ground the equipment and the object being sprayed. See Electrical Grounding on page .  Provide fresh air ventilation to avoid the buildup of flammabl ...

  • Graco 3900 - page 5

    309409 5 Maintenance W ARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally . Fluid under high pressure can be injected through the skin and cause serious injury . T o reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relie ...

  • Graco 3900 - page 6

    309409 6 T roubleshooting Relieve pressure ; page 5. PROBLEM CAUSE SOLUTION E=XX is displayed Fault condition exists Determine fault correction from table, page 14. Engine won’t start Engine switch is OFF Turn engine switch ON Engine is out of gas Refi ll gas tank. Honda Engines Owner’ s Manual . Engine oil level is low T ry to start engine. Re ...

  • Graco 3900 - page 7

    309409 7 PROBLEM CAUSE SOLUTION Pump output is low Strainer (31) is clogged Clean strainer . Sprayer 233716 strainer is for use in paint only . Piston ball (206) is not seating Service piston ball. Manual 309277. Piston packings are worn or damaged Replace packings. Manual 309277. O-ring (227) in pump is worn or damaged Replace o-ring. Manual 30927 ...

  • Graco 3900 - page 8

    309409 8 Bearing Housing and Connecting Rod NOTE: The item numbers referenced are for the Hi-Boy models. The Lo-Boy models may have different item numbers. Use the Hi-Boy item number and part to find the corresponding Lo-Boy part and item number . Removal 1. Relieve pressure ; page 5. 2. Fig. 2. Remove screws (14) and front cover (23). 3. For Hi-Bo ...

  • Graco 3900 - page 9

    309409 9 Drive Housing Removal 1. Relieve pressure ; page 5. 2. Fig. 3. Remove bearing housing. Do 1. through 8. of Bearing Housing and Connecting Rod proce- dure on page 8. 3. Fig. 4. Disconnect gallon counter sensor at (A). Cut tie wrap holding gallon counting sensor wire to clutch wire. 4. Fig. 3. Remove two screws (81) and lockwashers (17). 5. ...

  • Graco 3900 - page 10

    309409 10 Pinion Assembly/Rotor/Field/Shaft/Clutch Removal If pinion assembly (19) is not removed from clutch housing (5), do 1. through 4. Otherwise, start at 5. 1. Relieve pressure ; page 5. 2. Remove drive housing; page 9. 3. Disconnect field cable (X) from pressure control, and gallon counter sensor at (A). 8699A Fig. 4 X Bottom View A 4. Fig. ...

  • Graco 3900 - page 11

    309409 1 1 7. Fig. 7. Remove retaining ring (19e). 8. T ap pinion shaft (19d) out with plastic mallet. Fig. 7 19e 19d 8703B 9. Fig.8. Use an impact wrench or wedge something between armature (4a) and clutch housing to hold engine shaft during removal. 10. Remove four screws (16) and lockwashers (17). 1 1. Remove armature (4a). Fig. 8 16 17 4a 8704A ...

  • Graco 3900 - page 12

    309409 12 Pinion Assembly/Rotor/Field/Shaft/Clutch Installation 1. Fig. 9. Lay two stacks of two dimes on smooth bench surface. 2. Lay armature (4a) on two stacks of dimes. 3. Press center of clutch down on bench surface. Fig. 9 4a 8705A 0.12 ± .01 in. (3.0 ± .25 mm) dimes 4. Install armature (4a) on engine drive shaft. 5. Install four screws (16 ...

  • Graco 3900 - page 13

    309409 13 Clutch Housing Removal 1. Fig. 1 1. Remove four capscrews (73) and lock- washers (77) which hold clutch housing (5) to engine. 2. Remove screw (15) from under mounting plate (D). 3. Remove engine key (7). 4. Pull of f clutch housing (5). Installation 1. Fig. 1 1. Push on clutch housing (5). 2. Install four capscrews (73) and lockwashers ( ...

  • Graco 3900 - page 14

    309409 14 On/Off Switch Removal 1. Relieve pressure ; page 5. 2. Fig. 14. Remove four screws (28) and display/cover (153). 3. Pull display connector wings (A) open on PC board and pull display connector out. 4. Disconnect ON/OFF switch connector (B) from PC board. 5. Press in on two retaining tabs on each side of ON/OFF switch (47) and remove switc ...

  • Graco 3900 - page 15

    309409 15 Pressure Control Control Board Removal 1. Relieve pressure ; page 5. 2. Fig. 14. Remove four screws (28) and display/cover (153). Pull display connector wings open on PC board and pull display connector out. 3. Fig. 21. Disconnect at control board (10):  Lead (D) from potentiometer .  Lead (E) from transducer .  Remove ON/OFF swi ...

  • Graco 3900 - page 16

    psi bar MPa 309409 16 Pressure Control Repair Digital Display Messages Relieve pressure before repair ; page 5. No display does not mean that sprayer is not pressurized. DISPLA Y SPRA YER OPERA TION INDICA TION ACTION No Display Sprayer may be pressurized. Loss of power or display not connected Check power source. Relieve pressure before repair or ...

  • Graco 3900 - page 17

    309409 17 Displacement Pump Removal 1. Flush pump. 2. Relieve pressure ; page 5. 3. Fig. 15. Cycle pump with piston rod (222) in its lowest position. 4. Fig. 15. Remove suction tube (30) and hose (33). Fig. 15 7672C 222 33 30 5. Fig. 16. Use screwdriver: push retaining spring up and push out pin (29). Fig. 16 7675B 29 6. Fig. 17. Loosen locknut by ...

  • Graco 3900 - page 18

    309409 18 Parts Drawing – GMax 3900, 5900, 5900HD Hi-B oy Sprayers Ref 1 1 45 40 37 38 39 Ref 35 DET AIL A 06868B Models 233701, 233706 and 233716 See manual 309277 for the parts. 1 2 3 Label See page 20 for the parts. 1 5 18 19 23 22 13 12 21 20 2 2 3 4a 26 34 30 31 28 14 80 54 43 41 42 33 67 4 See page 24 for the parts. 51 50 11 62 DET AIL A 44 ...

  • Graco 3900 - page 19

    309409 19 Parts List – GMax 3900, 5900, 5900HD Hi-Boy Sprayers Models 233701, 233706 and 233716* Ref No. Part No. Description Qty Ref No. Part No. Description Qty 1 ENGINE 108879 GMax 3900 1 1 14530 GMa x 5900, 5900HD 1 2 1 13084 RIVET , bli nd 2 3 192014 PLA TE, i ndicat or 1 4 CLUTCH ASSEMBL Y , includes 4a, 4b, 16, 17, 72, 80 241 1 09 GMax 390 ...

  • Graco 3900 - page 20

    309409 20 Parts List & Drawing – Pinion Assembly Ref No. 19 and 20 Ref No. 19: Pinion Housing Assembly 245398 for GMax 3900; Pinion Housing Assembly 245399 for GMax 5900, 5900HD Ref No. 20: Drive Housing Assembly 245442 for GMax 3900; Drive Housing Assembly 245443 for GMax 5900, 5900HD Ref No. Part No. Descri ption Qty Ref No. Part No. Descri ...

  • Graco 3900 - page 21

    309409 21 Notes ...

  • Graco 3900 - page 22

    309409 22 Parts Draw ing – GMax 3900 and GMax 5900 Lo-Boy Sprayer s Ref 1 1 40 45 37 38 39 Ref 35 DET AIL A Models 233700 and 233705 See manual 309277 for the parts. 1 2 3 Label See page 20 for the parts. 1 5 19 23 22 13 21 20 2 2 3 4a 26 34 28 14 80 9 43 41 42 33 4 See page 24 for the parts. 51 50 11 62 DET AIL A 44 5 Used on GMax 5900 3 2 29 16 ...

  • Graco 3900 - page 23

    309409 23 Parts List – GMax 3900 and GMax 5900 Lo-Boy Sprayers Models 233700 and 233705 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 1 ENGINE 108879 GMax 3900 1 1 14530 GMa x 5900 1 2 1 13084 RIVET , bli nd 2 3 192014 PLA TE, indica tor 1 4 CLUTCH ASSEMBL Y , includes 4a, 4b, 16, 17, 72, 80 241 1 09 GMax 3900 1 241 1 1 3 GMax ...

  • Graco 3900 - page 24

    309409 24 Parts Drawing – Sprayer GMax 3900, 5900 and 5900HD Sprayers Models 233700 through 233703 Mod els 233706 through 233708; 233716 and 233717 100n 100m 100k 85 78 55 149 133 144 10 48 15 85 45 50 10a 100d 100e 147 100c 100b 100a 8716A Ref 19 150 28 100j 100p 100f 143 143 144 153 100h 100g 100s 100q 22 100r 62 Ref 142 151 152 ti7660a 47 Ref ...

  • Graco 3900 - page 25

    309409 25 Parts List – Sprayer Models 233700 through 233703; 233705 through 233707; 233716 and 233717 REF NO. P ART NO. DESCRIPTION QTY REF NO. P ART NO. DESCRIPTION QTY 10 245394 BOARD, PC 1 Includes 10a 10a NUT , nylon 1 15 198553 P ANEL, control 1 22 164672 ADAPTER 2 28 1 16252 SCREW , #8 taptite, phil 4 45 1 16167 KNOB, potentiometer 1 48 1 1 ...

  • Graco 3900 - page 26

    309409 26 Parts List/Drawing – Sprayers with RAC X T ip, Gun & Hose Models 233702, 233703, 233707, 233708, 233717 GMax 3900, 5900, 5900HD Airless Paint Sprayers Includes items 201 to 204 Ref No. Part No. Descri ption Qty Ref No. Part No. Description Qty 201 233701 GM3900 Hi-Boy Sprayer 1 See parts list on page 18 233706 GM5900 Hi-Boy Sprayer ...

  • Graco 3900 - page 27

    309409 27 T echnical Data Honda GX120 Engine Power Rating @ 3700 rpm ANSI 4.0 Horsepower . . . . . . . . . . . . . . . . . . . . . . . DIN 6270B/DIN 6271 NA 2.1 Kw – 2.8 Ps . . . . . . . . . . . . . . . . . . . . . . NB 2.6 Kw – 3.6 Ps . . . . . . . . . . . . . . . . . . . . . . Honda GX160 Engine Power Rating @ 3700 rpm ANSI 5.5 Horsepower . . ...

  • Graco 3900 - page 28

    309409 28 Graco W arranty Graco w arrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date o f sale by an authorized 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 perio ...

Manufacturer Graco Category Paint Sprayer

Documents that we receive from a manufacturer of a Graco 3900 can be divided into several groups. They are, among others:
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- 3900 manuals
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Graco 3900.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Graco 3900, service manual, brief instructions and user manuals Graco 3900. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Graco 3900.

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A complete manual for the device Graco 3900, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Graco 3900 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Graco 3900.

A complete Graco manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Graco 3900 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Graco 3900, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Graco 3900, that we can find in the current document
3. Tips how to use the basic functions of the device Graco 3900 - which should help us in our first steps of using Graco 3900
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Graco 3900
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Graco 3900 in a specific country, if it was not possible to solve the problem on our own.

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