Instruction/ maintenance manual of the product 311911C Graco Inc.
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Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2007, Graco Inc. is r egistered to I. S. EN ISO 9001 - F or the application of archit ectural paints and coatings - Maximum Fluid Working Pressure : 3300 psi (227 bar , 22.7 MP a) Maximum Air Wo rking Pressu re: 35 psi (2.
Warning 2 311911C Wa r n i n g The f ollowing w arn ings are f or the setup , use, gro unding, maintenance and repair of this equipment. The e xclamation point symbol alerts you to a ge neral warning and the h azard symbol ref ers to procedure- specific risks.
Warning 311911C 3 W ARNING EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injur y . • Do not exceed the maximum workin g pressure or temperature rating of the lo west rated system component. Re ad T ech nical Data in all equipment manuals.
Component Identification 4 311911C Component Identification ti9018a ti9021a FinishPro 395 11 10 9 8 13 7 12 5 6 4 3 1 2 15 10 9 4 6 11 8 3 2 1 14 5 7 FinishPro 390 16 12 17 18 17 18 20 19 19 20 21.
Component Identi fication 311911C 5 Component Identification Item Compo nent 1 Prime/Drain T ube/Hose 2 Air Hose Connection 3 Prime /Spra y V alve 4 Fluid Outlet 5 Air/Fluid Supply Hose 6 Displacement.
Installation 6 311911C Installation Grounding and Electr ic Requirements The spra yer cord includ es a grounding wire wit h an appropriate gro unding contact. The spra yer requires: 110-120 V ac Spra yers: 100-120 V ac, 50/60 Hz, 15A, 1 phase, circui t with a grounding receptacle .
Pressure Relief Procedure 311911C 7 Pressure Relief Procedure F ollow this Pressure Re lief Procedure whene ver y ou are instructed to relie ve pressu re, stop spra ying, check or ser vice equipment or install or clean spr a y tip . 1. Set function sele ction switch to OFF and unplug spr ay er .
Troubleshooting 8 311911C T roub leshooting Prob lem What T o Check (If check is OK, go to ne xt che ck) What T o Do (When check is not OK, r ef er to this column) Spra yer W o n’t Operate Basic Fluid Pressure 1. Pressure control knob setting. Motor will not ru n if set at minimum (fully counter-clockwise).
Troubleshooting 311911C 9 Basic Electrical See wiring dia gram, page 36 1. Electric supply . Meter must read 105-130 V ac for 110-120 V ac models and 210-255 V ac for 230 V ac mo d- els. Reset building circuit breaker , replace building fuses. T ry anoth er outlet.
Troubleshooting 10 311911C Low Fluid Output 1. W orn spray tip . Reliev e pressure , page 7. Replace tip. Ref er to gun instr uction manual, 311937. 2. V erify pump does not continue to stroke when gun trigger is released. Ser vice pump. See page 13, Displacement Pump Replacement .
Troubleshooting 311911C 11 Motor runs and pump strokes 1. Prime V alve Open. Close pri me v alve. 2. P aint supp ly . Refill and repr ime pump . 3. Intak e strainer clogged. Remov e and cle an, then reinstall. 4. Suction hose leaking air . Tighten nut.
Troubleshooting 12 311911C Low air output at gun 4. Damaged (leaking) air supply hose. Replace air supply hose. 5. Air intak e filter clogged. Clean or replace air intake filter kit. 6. Mechanical air unloader stuck open. Replace mechanical air unloade r .
Displacement Pump Replacement 311911C 13 Displacement Pump Replacement See manual 309 250 fo r pump repair instructions. Remov al 1. Reliev e pressure , page 7. Unpl ug spra ye r from out- let. 2. Loosen tw o screws (30 ) and rotate co ver (44 ). 3. Loosen n ut (A) and remo ve suctio n hose (35).
Displacement Pump Replacement 14 311911C Installation 1. Extend pump piston rod f ull. Apply grease to top of pump rod at (D) or inside conne cting rod ( 7). Install jam nut (11) on pump th reads. 2. Install pump ro d (D) into connecting rod (7). 3. Install pump p in (32).
Drive Housing Replacement 311911C 15 Dr iv e Housing Replacement Remov al 1. Relie v e pressure , page 7. 2. Remove pump (9). Displacemen t Pump Replace- ment , page 13. 3. Disconnect po wer cord from out let. 4. Remove two screws (30) and cover (32).
Spin Test 16 311911C Spin T est See Wir ing Diagram, page 36. T o check armature, motor winding and brush electrical continuity: 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. Remo ve tw o screws (30) an d shroud (29). 3. Remo ve driv e housing (5), page 15.
Fan Replacement 311911C 17 F an Replacement FinishPro 390 Remov al 1. Relie v e pressure , page 7. Discon nect powe r cord from outlet . 2. Remo ve tw o screws (30) an d shroud (29). 3. Remo ve spring clip (1b) on back of motor . 4. Pull off f an (100).
Motor Brush Replacement 18 311911C Motor Br ush Replacement See Wir ing Diagram, page 36. FinishPro 390 Remov al Replace brushes worn to less than 1/4 in. (6mm). Brushe s wear diff eren tly on each side of motor , check both side s. 1. Relie v e pressure , page 7 .
Motor Brush Replacement 311911C 19 Motor Br ush Replacement FinishPro 395 Remov al Replace brushes worn to less than 1/2 in. Br ushes wear diff erently on each side of motor , check both sides . Brush Repair Kit 287735 is av ailable . 1. Read Gener al Repair Inf or mation, page 7.
Control Board Repla cement 20 311911C Control Board Replacement See Wir ing Diagram, page 36. FinishPro 390 Remov al 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. Remov e two scre ws (30) and shroud (29) (see illus- tratio n, page16).
Control Board Repl acement 311911C 21 Installation 1. P osition grommet a nd power cord wires through strain re lief in control board (33). 2. Connect the p ower cord connect ors to the correct terminals indicated on the control board (120V , blac k and white, 2 40V , blue and bro wn) on control board (33).
Control Board Repla cement 22 311911C FinishPro 395 See Wir ing Diagram, page 36. Remov al 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. Remove f o ur screws (12) and cov er (50) . 3. Disconnect all leads to motor control board (49).
On/Off Switch Replacement 311911C 23 On/Off Switch Replacement See Wir ing Diagram, page 36. FinishPro 395 1. Relie v e pressure , page 7. 2. Remov e four scre ws (12) and pressure control cov er (50). Note: T ag wires before re moving to ensure wires are identifiab le when assemb ling.
On/Off Switch Replacement 24 311911C FinishPro 390 Remov al 1. Relie v e pressure , page 7 . 2. Remov e four scre ws (12) and switch bo x cov er (50). Note: T ag wires before re moving to ensure wires are identifiab le when assemb ling. 3. Disconnect three wires (A) from ON/OFF switch (58).
Fuse Replacement 311911C 25 Fuse Replacement FinishPro 390 only Remov al 1. Relie v e pressure , page 7. Discon nect powe r cord from outlet . 2. Remov e two scre ws (30) and shroud (29) (see illus- tratio n, page 16). 3. Remo ve fuse fro m control board.
Removing and Installing Air Filter 26 311911C Remo ving and Installing Air Filter Remov al 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. FinishPro 390: Unscre w filter (D) from back of spra yer . Install new filter from Compressor Filter Kit 288724.
Compressor Repla cement and Repair 311911C 27 Compressor Replacement and Repair Removing Compressor from Spr a yer 1. Relie v e pressure , page 7. Discon nect powe r cord from outlet . 2. Remov e front and back lou vers from spr ay e r . 3. Disconnect air fit ting from compressor .
Pressure Control Replacement: FinishPro 390 28 311911C Pressure Control Replacement: FinishPro 390 See Wir ing Diagram, page 36. Remov al 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. Remov e two scre ws (30) and shroud (29) (see illus- tratio n, page 16).
Pressure Cont rol Replacemen t: FinishPro 39 0 311911C 29 Motor Control Board Diagnostics: FinishPro 395 • K eep new tr ansducer on hand for use f or test. • Ref er to Digital Displa y Messages, page 30. 1. Relie ve pressure, page 7 and unplug spra yer .
Pressure Control Replacement: FinishPro 390 30 311911C Digital Displa y Messages: FinishPro 395 • No displa y does not mean the spr ay er is not pressurized. Relie ve pressure bef ore repair . Pressure Control T ransducer : FinishPro 395 Remov al 1.
Pressure Cont rol Replacemen t: FinishPro 39 0 311911C 31 Pressure Adjust P otentiometer : FinishPro 395 Remov al 1. Relie v e pressure , page 7. Unplu g spra yer . 2. Remov e screws and cov er . 3. Disconnect all leads fr om motor control board. 4. Remove potentiometer knob, nut, and pressure adjust potent iometer .
Drain Valve Replacement 32 311911C Drain V alv e Replacement Remov al 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. Using a punch a nd hammer, tap pin (26) out of drain handle (25). 3. Pull drain handle (25) an d base (24) off drain valv e (23).
Drain Line Remo val/Replacement 311911C 33 Drain Line Remo v al/Replacement FinishPro 390 Remov al T o remov e the drain line (40) from the manif old: 1. Cut dr ain line (40) from barbed fitting (20). 2. Unscre w barbed fitting (20) from manif old. Installation 1.
Motor Replacement 34 311911C Motor Replacement See Wir ing Diagram, page 36. FinishPro 390 Remov al 1. Relie v e pressure , page 7 . Disconnect pow er cord from outl et. 2. Remove pump (9). Displacemen t Pump Replace- ment , page 13. 3. Remov e drive housing, Drive Housing Replace- ment , page 15.
Motor Replacement 311911C 35 Motor Replacement See Wir ing Diagram, page 36. FinishPro 395 Remov al 1. Relie v e pressure , page 7. 2. Remove pump (41); Displacement P ump Replac e- ment , page 13 3. Remov e dr iv e housing (42); Drive Hous ing Replacement , page 15 .
Wiring Diagram 36 311911C Wir ing Diagr am FinishPro 395 ti9741a ti9722a Capacitor T o Compressor ON/OFF Switch Power Plug Pressure Control Assembly From Motor Replaceable Fuse Bl a ck (-) Red (+) 2X .
Wiring Diagram 311911C 37 T o Compressor ON/OFF Switch Power Plug Capacitor Pressure Control Assembly From Motor Replaceable Fuse Bl a ck (-) Red (+) 2X Y ellow Fi n i s hP ro 390 240 V ac.
Wiring Diagram 38 311911C Notes.
Technical Data 311911C 39 T echnical Data Dimensions FinishPro 390 Models FinishPro 395 Models P ow er requiremen ts 120 V ac, 50/60 Hz, 15A, 1 phase 230 V ac, 50/60 Hz, 10A, 1 phase 120 V ac, 50/60 Hz, 15A, 1 phase 230 V ac, 50/60 Hz, 10A, 1 phase Max tip size 0.
Warranty 40 311911C Wa r r a n t y Graco warrants all equipment ref erenced in this document which is manuf actured by Graco and bearing its name to be free from de fe ct s i n material and workmanship on the date of sale to the origin al purch aser for use.
An important point after buying a device Graco Inc. 311911C (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco Inc. 311911C yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco Inc. 311911C - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Inc. 311911C you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Inc. 311911C will certainly help you make a decision on the purchase.
If you already are a holder of Graco Inc. 311911C, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco Inc. 311911C.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Inc. 311911C. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Inc. 311911C along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
