Graco 3A0874D- User Manual

Grounding 6 3A0874D Grounding This product must be grounded. In the event of an elec-trical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric cur-rent. Metering valve: attach ground wire from grounding lug to true earth ground. See Component Ide...

Component Identification 3A0874D 7 Component Identification Typical System Configurations F IG . 1 CONTROL POWER      XX.X BAR MAX MAT'L 6.9 BAR MAX AIR MODEL 1052-10A SN XXXXXX Dispensit USA R R D U H YELLOW GREEN Valve Controls System shown with optional con...

Component Identification 8 3A0874D Typical Feed System Components F IG . 2 DO NOT SERVICE WITHOUT REMOVING AIR PRESSURE AND WEARING SAFETY GLASSES. WARNING F 200 psi 0 20 oz Cartridge Feed with Mounting Post 5 Gallon Pail Cover with Diaphragm Pump 1 Gallon Ram and Pump 5 Gallon Pail Cover with Diaph...

Component Identification 3A0874D 9 Typical Feed System Components (continued) F IG . 3 R 0 12 8 4 psi 30 22 19 15 26 R 0 12 8 4 psi 30 22 19 15 26 5 Gallon Tank with Diaphragm Pump and Stand 5 Gallon Tank with 5:1 Pump and Stand 10 Gallon Tank with Diaphragm Pump, Agitator, Vacuum, and Stand 10 Gall...

Component Identification 10 3A0874D Metering Valve F IG . 4 GREEN YELL OW NEMA-23 MOTOR Key: A Material Inlet B Grounding Lug C Spool D Metering Rod E Oil Cup Retaining Block F Dispense Air Inlet G Reload Air Inlet H Lower Sensor I Upper Sensor J Drive Nut K Drive Screw L Drive Coupling M Motor N Se...

Setup 3A0874D 11 Setup NOTE: See Typical Installation diagram. 2. 1. Perform Setup procedure for feed system compo-nents. See feed system manual(s). 2. Place an in-line air pressure regulator, air-water separator/filter, and shut-off/bleed valve between the air supply and the control solenoids. 3. C...

Setup 12 3A0874D Valve Mounting Diagram As desired, use the following diagram to mount the metering valve. NOTE: Valve shown is for controls/motor integrated. For valve without controls/motor integrated, mount-ing pattern is the same just less LS-Home, solenoid open/close and all the wires terminate...

Setup 3A0874D 13 Motor Mounting Diagram If using a non-Graco motor with the dispense valve, use the following diagram to install the non-Graco motor onto the valve. See Motor Specifications on page 25. 2.22 2.22 2.039 0.182 2.039 0.182 Ø 0.251STANDARD 4X 10-32

Startup 14 3A0874D Startup 1. Lubricate the metering rod port in the oil cup retain-ing block and fill the spool valve ports with compati-ble lubricant such as mesamoll or silicone oil. 2. Pressurize the feed systems connected to the metering valve to prime the system. See Technical Data on page 25 ...

Operation 3A0874D 15 Operation The operation of the 1053 metering valve is controlled by an external source. If a Control Box was purchased, see the Control Box manual for operation instructions. See Related Manuals on page 2. Sequence of Operation Step 1: Reload • Spool shifts to the right • Materi...

Pressure Relief Procedure 16 3A0874D Pressure Relief Procedure 1. Retract the metering rods. See the Control Box manual. See Related Manuals on page 2. 2. Close the fluid shut-off valve. 3. Remove needle. 4. Dispense 5 shots. Shots should be at least 75% of the full stroke. 5. Extend the metering ro...

Rebuild 18 3A0874D Rebuild Before proceeding, remove material feed line and pump material out of the valve. Shut power off from control panel and disconnect main power. Disconnect the motor wire harness from the system. Loosen the home and spool sensor set screws. Note the position of the sen-sors a...

Rebuild 20 3A0874D Assembly Before proceeding, remove any old o-rings or seals from the valve and discard, clean the valve par ts with an appropriate solvent and replace o-rings and seals with new parts from seal kit. Use Krytox 203GPL (part num-ber 84/0200-K3/11) for lubricating valve parts includi...

Motor and Motor Coupling Illustration 3A0874D 23 Motor and Motor Coupling Illustration Pin Alignment Ref DESCRIPTION 1 MOTOR MOUNTING PLATE 2 BEARING RETAINING SLEEVE 3 MOTOR COUPLER 4 SCREW, SHC,#6-32x3/8 5 ROLL PIN, 1/8 DIA.x 1/2 6 LEAD SCREW NUT 7 LEAD SCREW 8 E-RING 9 BEARING 10 SCREW,SHC,#10-32...

Electrical Requirements 24 3A0874D Electrical Requirements See Related Manuals on page 2 for valve with controls/motor integrated. Valve shown is with controls/motor not integrated. Valve with controls/motor integrated comes with LS-Home, sole-noid - OPEN/CLOSE and all wires terminated at a plug. F ...

Technical Data 3A0874D 25 Technical Data NOTE: See feed system manuals for dimensions, weights, and wetted parts lists for those components. Dimensions, weights, and wetted parts for components not covered in component feed system manuals and for combined assem-blies are listed below. Motor Specific...

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. Original instructions. This manual contains English. MM 3A0874 Graco Headquarters: Minneapolis Int...