Graco 311737G Important Safety Instructions Manual Download Page 18 | Manualshive

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Fan Replacement

18

311737G

Fan Replacement

Removal

1.

Relieve pressure

, page 8. Disconnect power cord

from outlet.

2.

Remove two screws (30) and shroud (29).

3.

Remove spring clip (1b) on back of motor.

4.

Pull off fan (100).

Installation

1.

Slide new fan (1a) in place on back of motor. Be
sure blades of fan face motor as shown.

2.

Install spring clip (1b).

3.

Replace shroud (29) and two screws (30).

1b

1a

30

29

ti5769b

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Summary of Contents for 311737G

Page 1: ...ure 3300 psi 227 bar 22 7 MPa US Patent No D580 515 S and D580 518 S Taiwan Patent No D129255 Korean Patent No 30 548399 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions 310820 311732 311861 309250 311761 Related Manuals ti5635b ti11626a Stand Hi Boy ti11583a ProStep 311737G EN Repair 390 Electric Airless Sprayer ...

Page 2: ... 2 311737G Models Model VAC Country 254968 254969 256391 230 CCE Europe Europe Multicord 253961 256481 110 UK UK 254998 230 Asia Australia 262019 253958 826084 120 North America 254998 262024 256392 240 Asia ...

Page 3: ...he cord or plug is required do not connect the grounding wire to either flat blade terminal The wire with insulation having an outer surface that is green with or without yellow stripes is the grounding wire Check with a qualified electrician or serviceman when the grounding instructions are not completely under stood or when in doubt as to whether the product is properly grounded Do not modify th...

Page 4: ...tion immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area ELECTRIC SHOCK HAZARD Improper grounding setup or usage of the system can cause electric shock Turn off and disconnect power cord before servicing equipment Use only grounded electrical outlets Use only 3 wire extension cords Ensure ground prongs are intact on sprayer ...

Page 5: ...RIZED ALUMINUM PARTS HAZARD Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment Such use can cause serious chemical reaction and equipment rupture and result in death serious injury and property damage BURN HAZARD Equipment surfaces can become very hot during operation To avoid severe burns ...

Page 6: ... P F J H E U B A B U E H V F K J T T D D Item Component A Pressure Control B ON OFF switch D Power Cord E Fluid Outlet F Prime Valve H Pump J Suction Hose K Drain Hose M Fluid Hose N Gun P Tip R Guard S Trigger Safety Lock T Model Serial Tag U Filter V Platform A Pressure Control ...

Page 7: ...m maximum length 240V 3 wire 16 AWG 1 0 mm2 minimum 300 ft 90 m maximum length NOTE Smaller gauge or longer extension cords may reduce sprayer performance Spray gun ground through connection to a properly grounded fluid hose and pump Fluid supply container follow local code Solvent and Oil based fluids follow local code Use only conductive metal pails placed on a grounded sur face such as concrete...

Page 8: ...Hold gun against side of grounded metal flushing pail Trigger gun to relieve pressure 3 Turn prime valve down If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Clear hose or tip obstruction 4 Engage trigger s...

Page 9: ...led on hot bare motor could cause fire or explosion To reduce risk of burns fire or explosion do not operate sprayer with cover removed To reduce risk of serious injury including electric shock Do not touch moving or electric parts with fingers or tools while testing repair Unplug sprayer when power is not required for testing Install all covers gaskets screws and washers before you operate spraye...

Page 10: ...echanical 1 Pump frozen or hardened paint Thaw sprayer if water or water based paint has frozen in sprayer Place sprayer in warm area to thaw Do not start sprayer until thawed com pletely If paint hardened dried in sprayer replace pump packings See page 14 Dis placement Pump Replacement 2 Displacement pump connecting rod pin Pin must be completely pushed into connecting rod and retaining spring mu...

Page 11: ...inals Securely recon nect leads 6 Motor thermal switch Yellow motor leads must have continuity through thermal switch Replace motor See page 28 Motor Replace ment 7 Brush cap missing or loose brush lead connections Install brush cap or replace brushes if leads are damaged See page 19 Motor Brush Replacement 8 Brush length which must be 1 4 in 6mm minimum NOTE Brushes do not wear at the same rate o...

Page 12: ...nsion cord See page 7 Grounding and Electric Requirements 8 Leads from motor to circuit board for damaged or loose wire con nectors Inspect wiring insulation and terminals for signs of over heating Be sure male terminal pins are centered and firmly connected to female terminals Replace any loose terminals or damaged wiring Securely reconnect terminals 9 Worn motor brushes which must be 1 4 in 6 mm...

Page 13: ...lacement 2 Connecting rod assembly for damage Replace connecting rod assembly See page 14 Displacement Pump Replacement 3 Gears or drive housing Inspect drive housing assembly and gears for damage and replace if necessary See page 16 Drive Housing Replacement Motor is hot and runs intermittently 1 Be sure ambient temperature where sprayer is located is not more than 115 F 46 C and sprayer is not l...

Page 14: ...30 and rotate cover 44 3 Loosen nut A and remove suction hose 35 Loosen nut B and remove the high pressure hose 14 4 Cycle pump until pin 32 is in position to be removed 5 Disconnect power cord from outlet 6 Using a flat screwdriver push retaining spring C up Push out pump pin 32 7 Using a hammer loosen pump jam nut 11 Unscrew and remove pump 9 TI A 30 44 14 B A 35 ti6105b TI A C 32 11 11 9 ti6107...

Page 15: ...11 up onto pump until nut stops Tighten jam nut by hand then tap 1 8 to 1 4 turn with a 20 oz maximum hammer to approximately 75 ft lb 102 N m 8 Install suction tube 35 and high pressure hose 14 Tighten nuts A and B 9 Fill packing nut with Graco TSL until fluid flows onto top of seal Rotate cover 44 Tighten screws 30 If pump pin works loose parts could break off due to force of pumping action Part...

Page 16: ...ion 1 Apply a liberal coat of grease to gears and needle bearing surfaces Install thrust bearing 4 and gears 2 and 3 in front endbell housing 2 Push drive housing into front endbell housing Insert gear crank 3 through hole in connecting rod 7 3 Install four screws 6 4 Install cover 32 with two screws 30 5 Install pump 9 Displacement Pump Replace ment page 14 NOTICE Do not drop gear cluster 3 and 2...

Page 17: ...complete stop there are no electrical shorts If motor does not spin freely armature is shorted Replace motor page 28 Armature Brushes and Motor Wiring Open Circuit Test Continuity 1 Connect red and black motor leads with test lead Turn motor fan by hand at about two revolutions per second 2 If uneven or no resistance check for missing brush caps broken brush springs brush leads and worn brushes Re...

Page 18: ...ord from outlet 2 Remove two screws 30 and shroud 29 3 Remove spring clip 1b on back of motor 4 Pull off fan 100 Installation 1 Slide new fan 1a in place on back of motor Be sure blades of fan face motor as shown 2 Install spring clip 1b 3 Replace shroud 29 and two screws 30 1b 1a 30 29 ti5769b ...

Page 19: ... your brush kit Do not reuse old parts if new replacement parts are pro vided 1 With wires facing toward front of motor install new brushes B in motor Be sure to install the positive red brush lead in the top of the motor as shown and the negative black brush lead in the side of the motor 2 Push each cap A into place over brush Orient each cap with the 2 projections on either side of the brush lea...

Page 20: ...Remove 3 screws 30 securing control board to housing 2 are located on the front and one on the back next to the power cord 6 Pull control board out slightly and then slide it back and off of frame NOTE Make sure power cord is free and NOT wrapped around cord wrap 7 Remove grommet and wires from strain relief NOTE Ground wire will remain attached to sprayer with grounding screw 8 Remove 2 power cor...

Page 21: ...d is routed between the blue high pressure hose to the manifold and the sprayer frame 3 Carefully slide control board back into place on the side of the motor frame 4 Replace 3 screws 30 Torque to 30 35 in lbs 3 4 3 9 N m 5 Reattach motor connector B and pressure control assembly connector A 6 Install shroud 29 and two screws 30 see illustra tion page 17 ti6122a 33 Grommet Strain Relief ti6143a 24...

Page 22: ... page 8 Disconnect power cord from outlet 2 Remove two screws 30 and shroud 29 see illus tration page 17 3 Remove fuse from control board Installation 1 Install new fuse on control board 2 Install shroud 29 and two screws 30 see illustra tion page 17 TI A Replaceable Fuse ...

Page 23: ...l not to damage or tangle the wires while unscrewing the assembly 8 Remove pressure control assembly Installation NOTE Inspect pressure control assembly before instal lation to verify the o ring is installed and in place 1 Align grommet collar 17 on fluid manifold so open ing faces toward motor 2 Apply Loctite to pressure control assembly threads 16 3 Screw pressure control assembly 16 into manifo...

Page 24: ... 6 to disconnect manifold from housing Installation 1 Position manifold on sprayer frame 2 Replace screws 6 and torque to 150 in lb 17 N m 3 If removed install pressure control assembly See Pressure Control Assembly Replacement page 23 4 Feed pressure switch wires through hole in housing K 5 Insert grommet 21 in hole K in housing Secure wires to manifold housing with tape 22 6 Reconnect pressure s...

Page 25: ...ain valve 23 and remove it from manifold 15 Installation NOTE Before installing new drain valve be sure old gasket 23a and seat 23b are not still inside manifold 1 Thread drain valve 23 into manifold 15 opening 2 Hand tighten securely Using a wrench torque to 120 to 130 in lbs 3 Push base 24 over drain valve 23 and then drain handle 25 over base 24 4 Replace pin 26 in drain handle 25 If necessary ...

Page 26: ...ing 20 from manifold NOTE If you are only replacing the manifold and will be reusing the existing barbed fitting 20 and drain line 40 you will need to use a sharp knife to cut the remaining drain line material off the end of the barbed fitting 20 Installation 1 Screw barbed fitting 20 into manifold 2 Push drain line 40 onto barbed fitting 20 NOTE To make the drain line more pliable and easier to i...

Page 27: ...loosening grounding screw 31 Installation 1 Follow Control Board Replacement installation instructions steps 1 4 page 20 2 Reconnect green ground wire G to green ground ing screw 31 on frame Be sure terminal on ground faces UP or wires could get caught in shroud 3 Reconnect power cord connectors C and D to con trol board 33 4 Reattach motor connector B and pressure control switch connect A 5 Insta...

Page 28: ...lation 1 Install new motor 1 on frame 45 with four screws 6 2 Install manifold 15 with two screws 6 Manifold Replacement page 24 3 Install control board 33 with three screws 30 Connect all leads to board See Control Board Replacement page 20 and Wiring Diagram page 29 4 Connect ground wire G to motor with green ground screw 31 5 Install Drive Housing Drive Housing Replace ment page 16 6 Install pu...

Page 29: ...ly Power Plug White Green Black from Motor 2 x Yellow ON OFF Switch ti5643a Capacitor Replaceable Fuse Black Power Plug Blue Green Brown ON OFF Switch Pressure Control Assembly Red from Motor 2 x Yellow Capacitor ti5857a Replaceable Fuse 120V Model 240V Model ti5643a ti5857a ...

Page 30: ...7 1 8 0 38 1 4 Maximum tip size 253958 253961 254968 254969 256391 262019 826084 254998 256392 262024 0 021 0 019 Fluid outlet npsm 1 4 in Dimensions Stand Length 15 75 in 40 0 cm Width 14 0 in 36 0 cm Height 17 in 43 cm Weight 30 lbs 13 6 kg Weight with gauge 31 lbs 14 0 kg Dimensions Hi Boy Length 22 0 in 55 9 cm Width 20 5 in 52 1 cm Height 38 8 in 98 6 cm Weight 58 lbs 25 9 kg Wetted parts zin...

Page 31: ...Notes 311737G 31 Notes ...

Page 32: ... the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation a...

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