Maintenance, Clean Orifice | Graco 3A0237L guide

Maintenance

Maintenance

1.Before disconnecting or repairing hoses, relieve all fluid pressure and shut off electrical power to pro- portioner. See system operation manual.

2.Be sure fluid is cool before disconnecting hoses.

Instructions for Replacing Individual A or B Hose

1.Before disconnecting hoses, relieve all fluid pres- sure and shut off electrical power to proportioner. See system operation manual.

2.Disconnect electrical wire from connectors (5). Dis- connect fluid hose and remove from bundle.

3.For whip hose bundles, see Bundle Individual Whip Hoses on page 26.

4.For hose bundles, see Bundle Individual Heated Hoses on page 28.

Clean Orifice

Only for MD2 Valve using Orifice Block Kit 24E505 and an orifice.

NOTE: 24E505 does not come with an orifice. See on page 39 for orifice part numbers.

1.Follow Pressure Relief Procedure in MD2 valve manual.

2.Use 5/16 in. nut driver to remove orifices.

NOTICE

To prevent cross-contamination of the orifices do not interchange A component and B component parts. The A component orifice is marked with an A.

3. Remove cap from orifice.

NOTE: The cap is held in place with reverse threads.

4.Remove needle from orifice. Thoroughly inspect all o-rings and replace if necessary.

5.If necessary, use drill bit that is the same size as the orifice to drill out the orifice. Orifice size is marked on the orifice.

6.Liberally lubricate all o-rings.

7.Reassemble in reverse order. Torque orifices into fluid housing to 20-30 in-lb (2.26-3.39 N•m).

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3A0237L

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Graco 3A0237L important safety instructions Maintenance, Instructions for Replacing Individual a or B Hose, Clean Orifice

Contents

Important Safety Instructions Heated Hoses Applicator Kits Contents Related Manuals Heated Hose Bundle Part Numbers Carbon Steel Dual Heat Zone Hose Bundle with Air Hose Fluid Temperature Sensor FTS Heated Whip HoseFittings Individual Hoses Side Heated Hoses Red Side Unheated Hoses Red Individual a Side Heated Whip Hose Side Heated Hoses Blue Side Unheated Hoses Blue Individual B Side Heated Whip Hose Applicator Kits MD2 Valve Applicator Kits MD2 Handle Chemical Connection KitSee manual Electric Shock Hazard Toxic Fluid or Fumes Hazard Personal Protective Equipment Important Two-Component Material Information B Components Changing Materials Installation DescriptionConnect Whip Hose to Gun or Gun Manifold Connect Heated Hoses Single Heat Zone with a and B Heated HoseDual Heat Zone with a and B Heated Hose Single Heat Zone with a or B Heated Hose Insert Wire and Setscrew Incorrect Correct Cap plugs Setscrews See Connect FTS and Heated Whip Hose, Connect FTS and Heated Whip Hose Connect Solenoid Kit Connect Splitter Check Hoses for Leaks Protective Covering Operation Single Heat Zone Shown Maintenance Clean OrificeFollow Pressure Relief Procedure in MD2 valve manual Instructions for Replacing Individual a or B Hose Maintenance 3A0237L Bundle Individual Whip Hoses For Single Zone Heated Whip Hose Bundles Dual Heat Zone Heated Whip Hose Bundle Single Heat Zone Heated Whip Hose BundleSide Bundle Individual Heated Hoses Dual Heat Zone Heated Hose Bundle Shown Machine End Parts Whip HosesDual Heat Zone Heated Whip Hose Single Heat Zone Heated Whip Hose Heated Whip Hoses Heated Hose Bundles Dual Zone Heated Hose Bundles Varied Parts Single Zone Heated Hose Bundles Using Fluid Temperature Sensors For Single Heat Zones Using Fluid Temperature Sensors for Dual Heat ZonesCarbon Steel Fluid Temperature Sensor Stainless Steel Fluid Temperature Sensor 15F144 Hose Wire Jumper Part Description QtyConnect 258758 , MD2 Applicator Kits MD2 Applicator Kits153 24D162 Stainless Steel Connection Kit 24E505 Orifice Block Kit Accessories Scuff GuardSolenoid Kits 24C757 Machine Mount Kit 24D160 Remote Mount MD2 Kit 24D161 Remote Mount Fusion Kit Only 24D161Only 24D160 Technical Data Category Data Technical Data 3A0237L Graco Standard Warranty Graco Information