Graco PrecisionFlo 233678 Скачать руководство пользователя страница 14 | Manualshive

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Lubricate all o–rings and seals with lithium–based
grease prior to installation.

Do not service the motor. Contact a Graco distributor
for service.

Torque to 32 in-lb (3.6 N

S

m).

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33

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Содержание PrecisionFlo 233678

Страница 1: ...isionFlo Metering Valve for PVC application Part No 233679 PrecisionFlo Metering Valve for HemFlange application Table of Contents Symbols 2 Warning 2 Installation 4 Operation and Maintenance 5 Pressure Relief Procedure 5 Operating the Metering Valve 5 Maintenance 5 Service 6 Troubleshooting the Metering Valve 6 Fluid Needle and Seat Assembly Service 7 Closer Service 9 Replacing the Pressure Senso...

Страница 2: ...ve pres sure stop dispensing clean check or service the equipment or install or clean a spray tip or nozzle D Tighten all the fluid connections before operating the equipment D Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD Improper grounding poor...

Страница 3: ... 40_C D Do not use the hoses to pull the equipment D Use fluids that are compatible with the equipment wetted parts See the Technical Data section of all the equipment manuals Read the fluid manufacturer s warnings D Comply with all applicable local state and national fire electrical and other safety regulations D Do not touch the metal heat sink when the surface is hot D Do not cover the Metering...

Страница 4: ...alve with the PrecisionFlo Control 1 Mount the Metering Valve See the mounting hole dimensions in Fig 1 2 Connect the fluid supply line to the 3 8 18 npt fluid inlet A See Fig 2 3 Connect a fluid line between the 3 8 18 npt fluid outlet B and the dispensing device 4 Connect the electrical cable C to the Metering Valve connector E 5 Connect a 0 25 inch 6 35 mm O D air line be tween the closer air i...

Страница 5: ...ing valve and dispensing device 3 Relieve the system pressure as instructed in the separate instruction manuals Operating the Metering Valve The Metering Valve is operated through the PrecisionFlo Control Follow the PrecisionFlo Control instructions to operate the Metering Valve WARNING MOVING PARTS HAZARD Moving parts such as the fluid needle can pinch fingers Do not operate the equipment with th...

Страница 6: ... paying special attention when you see the Moving Parts Hazard symbol in this warning 1 If the fluid continues to flow after the dispense cycle has stopped check for the following prob lems a The fluid needle may be obstructed or dam aged Service the fluid needle as instructed on page 7 b The seat or seals may be worn or damaged Service the fluid needle as instructed on page 7 c Check that the Pre...

Страница 7: ...r air inlet G Actuate the cylinder with approximately 50 psi 0 35 MPa 3 5 bar air pressure to retract the closer rod and keep the closer springs com pressed WARNING MOVING PARTS HAZARD The valve air cylinder is spring loaded and parts may fly out or spring apart when the valve is disassembled and cause serious injury During service procedures that will expose internal meter parts wear protective e...

Страница 8: ...1 25 Install the o rings 26 and 28 and lubricate them 26 Press and turn the seat 27 into the fluid body 22 27 Replace rubber boot 34 over the connector 37 and secure end to the motor face plate Slide boot back to expose set screw holes 28 Press the fluid body 22 and adapter 23 together and secure them with the four screws 24 and split lock washers 25 Torque the screws to 32 in lb 3 6 NSm 29 Slowly...

Страница 9: ...HAZARD The valve air cylinder is spring loaded and parts may fly out or spring apart when the valve is disassembled and cause serious injury During service procedures that will expose internal meter parts wear protec tive eyewear and keep the closer spring com pressed as instructed in step 6 7 Remove the eight screws 3 from the closer assembly 2 and remove the closer assembly See Fig 4 8 Slowly re...

Страница 10: ...e closer cover Torque the four screws 107 to 24 30 in lb 2 7 3 4 NSm 19 Install the cover o rings 103 20 Install the rubber bumpers 101 on the end of the rod closer 102 and the cylinder cap 111 21 Connect a compressed air supply to the closer air inlet G Actuate the cylinder to retract the closer rod and keep the closer spring compressed 22 Secure the closer assembly to the metering valve with the...

Страница 11: ...or cable K 7 Remove the four screws 23 retainer 21 pres sure sensor 20 and o ring 22 Replace the o ring if it is damaged 8 Install the o ring 22 on the new pressure sensor 20 9 Lubricate the o ring 22 with lithium based grease and re install the pressure sensor 20 retainer 21 and screws 23 Torque the screws to 16 in lbs 1 8 NSm 10 Connect the pressure sensor cable K 11 Mount the Metering Valve 12 ...

Страница 12: ...12 309384 Wiring Diagram Fig 8 05480 ...

Страница 13: ...309384 13 Notes ...

Страница 14: ...7 1 3 Lubricate all o rings and seals with lithium based grease prior to installation Do not service the motor Contact a Graco distributor for service Torque to 32 in lb 3 6 NSm 24 23 26 27 28 29 22 1 33 1 36 26 31 30 1 32 34 1 2 3 ...

Страница 15: ...sor 1 17 C20145 O RING buna n size 014 1 18 102410 SCREW cap sst 6 32 x 3 8 4 19Y 290182 TAG warning 1 Ref No Part No Description Qty 20 244972 FLUID HEAD ASSY 1 Includes items 21 40 21 191381 FLUID HEAD MOUNT 1 22 198304 FLUID BODY 1 23 190517 ADAPTER 1 24 617559 SCREW cap 10 32 x 2 1 4 4 25 C19277 LOCKWASHER split 10 8 26 155685 O RING buna n size 012 2 27 113005 SEAT needle carbide 1 28 104130 ...

Страница 16: ... 17 C20145 O RING buna n size 014 1 18 102410 SCREW cap sst 6 32 x 3 8 4 19Y 290182 TAG warning 1 Ref No Part No Description Qty 20 244973 FLUID HEAD ASSY 1 Includes items 21 40 21 191381 FLUID HEAD MOUNT 1 22 198304 FLUID BODY 1 23 190517 ADAPTER 1 24 617559 SCREW cap 10 32 x 2 1 4 4 25 C19277 LOCKWASHER split 10 8 26 155685 O RING buna n size 012 2 27 617524 SEAT needle carbide high flow 1 28 10...

Страница 17: ...1 103 112106 O RING buna n size 042 1 104 197936 COVER rear enclosure 1 105 111098 O RING buna n size 028 1 106 C19388 FITTING 90_ 1 4 x 1 8 npt 1 107 198314 SCREW cap 1 4 20 x 2 1 2 4 108 197935 CYLINDER air closer 1 Ref No Part No Description Qty 109 111092 SPRING PrecisionFlo closer 1 110 801050 O RING buna n size 014 1 111 197933 CYLINDER CAP 1 112 15E017 RING retaining 2 113 111094 PISTON val...

Страница 18: ...18 309384 Notes ...

Страница 19: ...onditions for non flammability D The fluid has a flash point above 140_F 60_C and a maximum organic solvent concentration of 20 by weight per ASTM Standard D93 D The fluid does not sustain burning when tested per ASTM Standard D4206 Sustained Burn Test Fluid Viscosity 10 000 cps to 1 000 000 cps Maximum Fluid Temperature 176_F 80_C Flow rate is dependent upon material viscosity tip size and supply...

Страница 20: ... buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitne...

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