Code Soft MD2 Series Servisní příručka

312185SENInstructions - PartsMD2 ValveFor use with disposable mixers to dispense a variety of sealants and adhesives. For professional use only.120 ps

Operation 10 312185SOperationPressure Relief Procedure1. Shut off the air to the supply pumps.2. Close the bleed-type master air valve (required in yo

Maintenance312185S 11MaintenanceDaily Shutdown When you are through using the MD2 valve, the outlet to the mixer should be cleaned and protected from

Troubleshooting 12 312185STroubleshootingProblem Cause SolutionValve does not open. Insufficient air pressure. Turn on air or increase air pressure.Ai

Repair312185S 13RepairDisassembly1. Relieve all air and fluid pressure, page 10.2. Disconnect the valve from the system.3. Remove the two nosepiece sc

Repair 14 312185S7. Remove the retaining ring (1) from the back of the air cylinder (2). Push the two shafts (5) into the air cylinder (2) to dislodge

Repair312185S 15ReassemblyAir Cylinder Section1. Lubricate the shaft o-rings (23) and the bearings (7). Insert o-rings into the air cylinder (2) and a

Parts 16 312185SParts255179 and 255181TI21240A212423❖23❖616❖339284❖✖7❖2925*171816291915✖1420*†26*27*13✖1112✖36✖5✖22930471Torque to 25-30 in-lb (2.8-3.

Parts312185S 17MD2 Valve The parts listed below are common to all MD2 Dispense valves. Parts which vary are found in the table at the bot-tom of this

Parts 18 312185S255180, 255182, and 255183TI21241A23❖22616❖339284❖✖7❖29171816291915✖1420*†13✖1112✖36✖5✖25†27†26†28†93047Torque to 25-30 in-lb (2.8-3.4

Parts312185S 19MD2 Valve The parts listed below are common to all MD2 Dispense valves. Parts which vary are found in the table at the bot-tom of this

MD2 Valve Models 2 312185SContentsMD2 Valve Models . . . . . . . . . . . . . . . . . . . . . . . . . . 2Warnings . . . . . . . . . . . . . . . . .

Parts 20 312185SElectric Switch Handle, 255208NOTE: Extension cable 123660 is available.* Parts included in Series A Handles Kit 255463 and Series B H

Parts312185S 21Pneumatic Handle, 255206* Parts included in Kit 246354 (purchase separately).201206212203202203213211204205210207214TI21242A215216Torqu

Parts 22 312185SActuated Lever, 255249TI10410B302303304306301309303310308307305319Torque to 25 in-lb (2.8 N•m).111Ref Part Description Qty301 15K922 B

Accessories312185S 23AccessoriesPlastic Tube Fittings to Connect Air SignalsInlet Check Valves (3000 psi working pressure)Catalyst InjectorsCatalyst i

Accessories 24 312185SPlastic Tubing for Air Signal Lines Mixers and Shroud Nose Piece AccessoriesPart No. Description514607 5/32 in. O.D. NylonC12509

Accessories312185S 25Orifice KitsIn the following table, shaded rows indicate “Super Standard” items that are typically stocked and provide the best d

Accessories 26 312185S24E505 Orifice Block Kit 24E505 does not include an MD2 valve. See MD2 Valve Models on page 2.24E505 does not include swivel ada

Accessories312185S 27Valve Accessories551351 Short Throw SpacerA spacer under the air piston that limits how far the fluid needles push open. It reduc

Accessories 28 312185SFront Valve Repair KitsG 1/2 Outlet KitAngled Adapter Kits24W045 - 25° angle24W046 - 15° angle24W047 - 5° anglePart No. Descript

Technical Data312185S 29Technical DataDimensionsMaximum Fluid Pressure 255179-255182: 3000 psi (20.7 MPa, 207 bar)255183: 2000 psi (13.8 MPa, 138 bar)

Warnings312185S 3WarningsThe following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point s

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th

Warnings 4 312185SFIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire

Component Identification312185S 5Component IdentificationKey:A Snuff-back adjustment knob (soft seat versions only)B 1/8 in. npt (f) air to close (O).

Features 6 312185SFeaturesFIG. 2: Features of the MD2 ValvesNote: The Trigger/Lever activates an electrical switch in the handle, which activates a re

Installation312185S 7InstallationGroundingThe following grounding instructions are minimum requirements for a basic dispensing system. Your sys-tem ma

Setup 8 312185SSetupFluid and Air Connections9/16 Straight Thread O-Ring Boss Fluid InletsThere is one fluid inlet on the A-side and one fluid inlet o

Setup312185S 9System Start-up When initially loading the fluids through the system, leave the mixer off until both fluids flow freely from the nose pi