Graco 278680 Скачать руководство пользователя страница 24 | Manualshive

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Graco 278680 Скачать руководство пользователя страница 24

Wiring Diagram

24

332257A

Wiring Diagram

MOTOR

ON/OFF
SWITCH

POWER PLUG

BLUE

BROWN

GREEN

TRANSDUCER

POTENTIOMETER

DIGITAL DISPLAY

BLUE

BLACK

ti21098a

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Содержание 278680

Страница 1: ...application of architectural paints and coatings For professional use only Model 278680 3300 psi 22 7 MPa 227 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructi...

Страница 2: ...placement 17 Removal 17 Installation 17 Fan Replacement 18 Removal 18 Installation 18 ON OFF Switch Power Cord Board Kit 19 Removal 19 Installation 19 Motor Control Board 20 Removal 20 Installation 20...

Страница 3: ...t static discharge Do not use pail liners unless they are are antistatic or conductive Connect to a grounded outlet and use grounded extensions cords Do not use a 3 to 2 adapter Do not use a paint or...

Страница 4: ...t parts only Do not alter or modify equipment Alterations or modifications may void agency approvals and create safety hazards Make sure all equipment is rated and approved for the environment in whic...

Страница 5: ...H J K M N S T P R F E D B C ps A G ti21027a A Pressure control B Power Cord C ON OFF switch D Digital Display E Prime Spray valve F Filter G Fluid outlet H Siphon tube J Drain tube K Pump M Hose N Spr...

Страница 6: ...ontainer follow local code Object being sprayed follow local code Power Requirements 230V units require 220 240 VAC 50 60 Hz 8A 1 phase Extension Cords If an extension cord is necessary use a 3 wire 1...

Страница 7: ...such as paper or cardboard which interrupts grounding continuity Grounding a metal pail connect a ground wire to the pail by clamping one end to pail and other end to a true earth ground such as a wat...

Страница 8: ...lly relieved after following these steps VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Now clear tip or hose obstruction This equ...

Страница 9: ...repair Unplug sprayer when power is not required for test ing Install all covers gaskets screws and washers before you operate sprayer NOTICE To reduce risk of pressure control malfunction Use needle...

Страница 10: ...en or paint hardened in pump 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 completely If paint hardened dried in...

Страница 11: ...ted Clean circuit board terminals Securely reconnect leads NOTE For the following electric problems refer to Wiring Diagram page 24 to identify Test Points TP Power supply cord Connect volt meter betw...

Страница 12: ...lectrical outlet or try another outlet Extension cord size and length must be at least 12 gauge wire and no longer than 300 ft Longer cord lengths reduce sprayer performance Replace with a correct gro...

Страница 13: ...See pump manual Pump rod damage Replace pump page 15 Motor runs but pump does not stroke Displacement pump pin damaged or missing Replace pump pin if missing Be sure retainer spring is fully in groove...

Страница 14: ...a new pressure control board See page 22 Building circuit breaker opens as soon as sprayer is plugged into outlet and sprayer is NOT turned on Basic Electric Problems page 10 of Troubleshooting Perfo...

Страница 15: ...n position to be removed 2 Perform Pressure Relief Procedure page 8 3 Loosen screws 12 Push cover 70 up and pull off sprayer 4 Remove suction tube 60 and hose 45 5 Using a flat screwdriver push retain...

Страница 16: ...m 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 60 and high pressure hose 45 Tighten fittings 9 Fill packing nut with Graco...

Страница 17: ...end bell Using grease for retention place washer 10 over bearing inside housing 42 3 Install washers 1 9 on back of gear 44 Install in motor endbell 4 Install thrust washer 25 on gear 44 5 Push drive...

Страница 18: ...four screws 12 and shroud 23 3 Loosen tensioning screw 126 on fan 125 4 Pull off fan 125 Installation 1 Slide new fan 125 in place on back of motor Be sure blades of fan face motor as shown 2 Tighten...

Страница 19: ...etween control boards 9 Remove switch board from box Installation 1 Reconnect black and blue leads between control and switch boards 2 Slide ON OFF switch 30 through opening in con trol box housing an...

Страница 20: ...de power cord out of strain relief to remove cord 8 Remove two screws 47 and remove motor control enclosure Pull motor control enclosure to the left to remove from transducer 38 Installation 1 Connect...

Страница 21: ...ransducer E 03 Three times repeatedly Sprayer shuts down and LED continues to blink three times repeatedly Pressure transducer is faulty or missing Check transducer connection Open drain valve Substit...

Страница 22: ...cover 51 3 Disconnect potentiometer lead from motor control board 48 4 Remove potentiometer knob 11 o ring 129 nut 37a and pressure adjust potentiometer 37 Installation 1 Install pressure adjust poten...

Страница 23: ...h screws 47 Torque to 16 0 18 0 N m 2 Install control housing 48 with screws 47 Torque to 16 0 18 0 N m 3 Install manifold 15 with screws 47 Torque to 16 0 18 0 N m 4 Connect motor leads See Wiring Di...

Страница 24: ...Wiring Diagram 24 332257A Wiring Diagram MOTOR ON OFF SWITCH POWER PLUG BLUE BROWN GREEN TRANSDUCER POTENTIOMETER DIGITAL DISPLAY BLUE BLACK ti21098a...

Страница 25: ...Notes 332257A 25 Notes...

Страница 26: ...Notes 26 332257A Notes...

Страница 27: ...Notes 332257A 27 Notes...

Страница 28: ...tion prepaid If inspection of 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 t...

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