background image

17

309255

Pressure Control Repair

Pressure Control Transducer

Removal

Refer to Fig. 10 or 11 depending on sprayer voltage.

1.

Relieve pressure

;

 page 4.

2.

Remove four screws (60) and pressure control
cover (49). Disconnect display connector (B).

3.

Remove two screws (108) and control panel (67).

4.

Remove upper two screws (108) and control
housing (58).

5.

Disconnect lead (E) from motor control 
board (112).

6.

Unscrew nut holding transducer (68) in power bar
plate (56).

7.

Remove transducer and o–ring (26).

8.

Remove grommet (42) holding transducer lead in
cart frame (72).

9.

Thread transducer lead plastic connector down
through hole in cart frame.

10. Remove grommet from transducer lead.

 Installation

1.

Install grommet (42) on transducer lead.

2.

Thread transducer lead plastic connector up
through hole in cart frame (72) .

3.

Install grommet holding transducer lead in cart
frame.

4.

Install o–ring (26) and transducer (68).

5.

Screw nut holding transducer in power bar plate
(56). Torque to 30–35 ft-lb.

6.

Connect lead (E) to motor control board (112).

7.

Install control housing (58) with upper two screws
(108).

8.

Install control panel (67) with two screws (108).

9.

Install display connector (B). Install pressure
control cover (49) with four screws (60).

Pressure Adjust Potentiometer

Removal

Refer to Fig.  10 or 11 depending on sprayer voltage.

1.

Relieve pressure

;

 page 4.

2.

Remove four screws (60) and pressure control
cover (49). Disconnect display connector (B).

3.

Remove two screws (108) and control panel (67).

4.

Disconnect lead (D) from motor control board
(112).

5.

Remove potentiometer knob (36), sealing shaft nut
(32), shaft spacer (96) and pressure adjust poten-
tiometer (64).

Installation

1.

Install pressure adjust potentiometer (64), shaft
spacer (96), sealing shaft nut (32) and potentiome-
ter knob (36).

a.

Turn potentiometer fully clockwise.

b.

Install knob at full clockwise position.

2.

Connect lead (D) to motor control board (112).

3.

Install control panel (67) with two screws (108).

4.

Install display connector (B). Install pressure
control cover (49) with four screws (60).

Содержание Ultimate Mx1095

Страница 1: ... Related manuals 309256 309264 309277 695 795 1095 Parts Spray Gun Operation Spray Tip Pump 695 795 1095 309310 Table of Contents Warnings 2 Component Function and Identification 3 General Repair Information 4 Grounding 5 Troubleshooting 5 Spin Test 9 Motor Brush Replacement 9 On Off Switch Replacement 13 Pressure Control Repair 15 Drive Housing Replacement 18 Motor Replacement 20 Displacement Pum...

Страница 2: ...luces en un área de pulverización Ponga a tierra el pulverizador el objeto que recibe el chorro pulverizado las cubetas de pintura y disolvente Sostenga firmemente la pistola a un lado de la cubeta puesta a tierra cuando dispare dentro de ella Use solamente mangueras para pintura conductora sin aire No utilice nunca tricloretano 1 1 1 cloruro de metileno ni otros disolventes a base de hidrocarburo...

Страница 3: ... and error codes K ON OFF Switch Power switch that controls main power to sprayer L 15 20A or 10 12A Switch Set to lower Amperage if circuit breaker trips when spraying not all models M Airless Paint Spray Hose Grounded conductive nylon hose with spring guards on both ends N Spray Gun High pressure spray gun with gun safety latch P RAC X SwitchTip Uses high pressure fluid to clear tip clogs withou...

Страница 4: ... touch moving or electrical parts with fingers or tools while testing repair Shut off and unplug spray er when repairing Install all covers gaskets screws and washers before operating sprayer CAUTION To reduce risk of pressure control malfunction Use needle nose pliers to disconnect wires Never pull on wire pull on connector Mate wire connectors properly Center flat blade of insulated male connect...

Страница 5: ...ntrol for blinking LED on spray ers without digital displays 1 If an error code E 0X is displayed or LED is blinking go to page NO TAG for error code diagnostics If not continue 2 Make sure digital display is connected If noth ing is displayed check power cord power switch and all power connections for continuity Check building circuit power 2 Tighten any loose power connections Re place power swi...

Страница 6: ... binding in brush holder 4 Clean brush holder and align brush leads for free movement 5 Check for armature short using an armature tester growler or perform spin test Page 9 5 Replace motor 6 Check motor armature commutator for burn spots or other damage 6 Remove motor and have motor shop resur face commutator if possible Page 20 Control board or wiring 1 Loose control board wiring 1 Repair any lo...

Страница 7: ...erly installed to allow full clockwise position d Try a new transducer 9 Motor armature for shorts by using an armature tester growler or perform spin test See page 9 9 Replace motor See page 20 10 Paint supply 10 Refill and reprime pump 11 Intake strainer clogged 11 Remove and clean then reinstall 12 Suction tube or fittings loose 12 Tighten use thread sealant or sealing tape on threads if necess...

Страница 8: ...itions 4 Motor armature for shorts Use an armature tester growler or perform spin test See page 9 Inspect windings for burns 4 Replace motor See page 20 5 Motor control board 35 by performing motor control board diagnostics on page 15 If diag nostics indicate substitute with a good board CAUTION Do not perform this check until mo tor armature is determined to be good A bad motor armature can burn ...

Страница 9: ...ng Open Circuit Test Continuity 1 Fig 3 Connect red and black motor leads together with test lead Turn motor fan by hand at about two revolutions per second 2 If uneven or no resistance check for broken brush springs brush leads motor leads loose brush terminal screws motor lead terminals worn brushes Repair as needed page 9 3 If still uneven or no resistance replace motor page 20 Fig 3 F ti0941 M...

Страница 10: ...d damaging parts 1 Fig 6 Install new brush F with lead into brush holder C 2 Fig 5 Slide brush lead D into terminal E 3 Fig 6 Install spring clip A Push down to set hook B into brush holder C Fig 6 03881 1 B C E F 4 Repeat for other side 5 Test brushes a Remove pump 79 Displacement Pump Replacement page 21 b With sprayer OFF turn pressure control knob fully counterclockwise to minimum pressure Plu...

Страница 11: ...or shield 90 Remove in spection covers B and gaskets on each side of motor A B 54 Fig 7 7714B 7714A 4 Fig 8 Push in 110816 spring clip A to release hooks B from brush holder C Pull out spring clip 5 Fig 8 Loosen terminal screw D Pull brush lead E away leaving motor lead F in place Remove brush G and spring H Fig 8 H E D F G A 01227 B C 6 Inspect commutator for excessive pitting burning or gouging ...

Страница 12: ...der C Fig 9 G K J C NOTE SPRING COIL DIRECTION A 01227 E H 11 Repeat for other side 12 Test brushes a Remove pump connecting rod pin b With sprayer OFF turn pressure control knob fully counterclockwise to minimum pressure Plug in sprayer c Turn sprayer ON Slowly increase pressure until motor is at full speed CAUTION Do not run sprayer dry for more than 30 seconds while checking brushes to avoid da...

Страница 13: ...ove from control panel 67 Installation 1 Push ON OFF switch 86 into control panel 67 until inside tabs snap in place 2 Connect two wires A to ON OFF switch 86 3 Install control panel 67 with two screws 108 4 Connect display connector B not available on all sprayers Install pressure control cover 49 with four screws 60 Wiring Diagram ti0949A Pressure Transducer Ref 68 Potentiometer Ref 64 Red Black...

Страница 14: ...67 Installation 1 Push 15 20A switch 60 into control panel 67 until inside tabs snap in place 2 Connect two wires A2 to 15 20A switch 86 3 Push ON OFF switch 86 into control panel 67 until inside tabs snap in place 4 Connect two wires A1 to ON OFF switch 86 5 Install control panel 67 with two screws 108 6 Install display connector B Install pressure control cover 49 with four screws 60 ti0951A 15 ...

Страница 15: ...over 49 with four screws 60 Digital Display Settings Not available on all sprayers The units on the digital display may be set to psi bar MPa and gallons or liters 1 Fig 10 Remove four screws 60 and cover 49 Disconnect display cable B 2 Set switches as desired Fig 12 Fig 12 MPa bar liters gallons psi SET Shown set for gallons and psi Stored Data Not available on all sprayers The SmartControl conta...

Страница 16: ...too high Check for voltage supply problem Sprayer stops Power is applied Too much motor current Check for locked rotor pump ob struction damaged drive train shorted wiring or motor Repair or replace failed parts Sprayer stops Power is applied No operation motor over heated or unplugged Allow sprayer to cool Correct cause of overheating Verify mo tor is plugged into motor control board Sprayer stop...

Страница 17: ...rew nut holding transducer in power bar plate 56 Torque to 30 35 ft lb 6 Connect lead E to motor control board 112 7 Install control housing 58 with upper two screws 108 8 Install control panel 67 with two screws 108 9 Install display connector B Install pressure control cover 49 with four screws 60 Pressure Adjust Potentiometer Removal Refer to Fig 10 or 11 depending on sprayer voltage 1 Relieve ...

Страница 18: ...s 33 pail hanger 54 and spring clip 95 7 Remove two screws 105 and washers 17 8 Pull drive housing 78 off of motor 75 9 Slide connecting rod 76 out of drive housing 695 Installation 1 Slide connecting rod 76 into drive housing 2 Push drive housing 78 onto motor 75 3 Install washers 17 and two screws 105 4 Install spring clip 95 pail hanger 54 and two nuts 33 5 Install front cover 100 and four scre...

Страница 19: ...26 from drive housing 78 8 Remove two screws 20 and washers 15 and pull drive housing 78 off of motor 75 9 Slide connecting rod 76 out of bearing housing 795 1095 Installation 1 Slide connecting rod 76 into bearing housing 2 Push drive housing 78 onto motor 75 and install with two washers 15 and screws 20 3 Install bearing housing 126 on drive housing 78 with four screws 19 and washers 17 4 Instal...

Страница 20: ...rain relief 43 page 13 14 10 Thread motor lead J out through slot in frame 11 Remove four screws 31 nuts 127 and motor 75 from frame 72 Installation 1 Install new motor 75 on cart frame 72 with four screws 31 and nuts 127 2 Thread motor lead J in through slot in frame 3 Install strain relief 43 page 12 13 14 4 Connect all leads to board 112 5 Install control housing 58 with two screws 108 6 Instal...

Страница 21: ... erty damage Make sure pin is properly installed CAUTION If the pump jam nut loosens during operation the threads of the bearing housing and drive train will be damaged Make sure jam nut is tightened to 75 5 ft lb 102 N m 1 Fig 19 Pull piston rod out 1 5 in Screw in pump until holes in bearing cross link and piston rod align Fig 19 1 5 in ti0918 2 Fig 17 Push pin 21 into hole And push retaining sp...

Страница 22: ...of the DuPont Co Dimensions Model Style Weight lb kg Height in cm Width in cm Length in cm 695 Hi Boy 87 39 30 76 22 5 57 25 5 65 Lo Boy 78 35 22 56 19 5 49 5 27 69 795 Hi Boy 107 48 5 30 76 20 5 52 1 28 71 Lo Boy 101 46 22 56 22 5 57 27 69 1095 Hi Boy 120 54 30 76 22 5 57 29 74 Graco Phone Number TO PLACE AN ORDER OR FOR SERVICE contact your Graco distributor or call 1 800 690 2894 to identify th...

Отзывы: