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Trilogy

®

GP Air Spray and LVLP Gravity Fed Manual Spray Guns

© 2021 Nordson Corporation

1601056-05

Replacing the Needle Seal

1. Remove the needle 6) as described in Needle Removal.
2. Remove the two external retaining rings (20) from the axle and driver pins (18, 19),

then remove the pins and trigger (21).

3. Unscrew the needle packing gland (5).
4. Remove the needle seal (4) and replace it with a new seal.
5. Thread the needle packing gland (5) into the gun body. Do not tighten.
6. Install the needle (6) into the gun, then tighten the needle packing gland slightly. The

needle must be movable by hand, without allowing fluid through the seal.

7. Install the trigger and the pressure spring, material adjustment screw, and lock nut as

described previously. Adjust material flow before putting the gun back into production.

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Содержание Trilogy GP

Страница 1: ...5 Issued 12 21 For parts and technical support call the Industrial Coating Systems Customer Support Center at 800 433 9319 or contact your local Nordson representative This document is subject to change without notice Check http emanuals nordson com for the latest version NORDSON CORPORATION AMHERST OHIO USA ...

Страница 2: ... notice Trademarks Trilogy Nordson and the Nordson logo are registered trademarks of Nordson Corporation All other trademarks are the property of their respective owners Table of Contents Safety 1 Qualified Personnel 1 Intended Use 1 Regulations and Approvals 1 Personal Safety 2 High Pressure Fluids 2 Fire Safety 3 Fire Safety contd 4 Halogenated Hydrocarbon Solvent Hazards 4 Action in the Event o...

Страница 3: ... Nordson Corporation 1601056 05 Change Record Revision Date Change 01 6 12 Initial Release 02 7 13 Added compliance kits and instructions 03 2 16 Updated parts lists 04 9 20 Updated parts lists 05 12 21 Updated parts lists ...

Страница 4: ... 2021 Nordson Corporation 1601056 05 ii Change Record ...

Страница 5: ...ned tasks They are familiar with all relevant safety rules and regulations and are physically capable of performing their assigned tasks Intended Use Use of Nordson equipment in ways other than those described in the documentation supplied with the equipment may result in injury to persons or damage to property Some examples of unintended use of equipment include using incompatible materials makin...

Страница 6: ...ent immediately Do not restart the equipment until the problem has been identified and corrected Obtain and read Safety Data Sheets SDS for all materials used Follow the manufacturer s instructions for safe handling and use of materials and use recommended personal protection devices Make sure the spray area is adequately ventilated To prevent injury be aware of less obvious dangers in the workpla...

Страница 7: ...skin microflora residing in the paint or gun which are blasted into the wound If the injected paint contains acrylic latex and titanium dioxide that damage the tissue s resistance to infection bacterial growth will flourish The treatment that doctors recommend for an injection injury to the hand includes immediate decompression of the closed vascular compartments of the hand to release the underly...

Страница 8: ...ve for parts information and advice Halogenated Hydrocarbon Solvent Hazards Do not use halogenated hydrocarbon solvents in a pressurized system that contains aluminum components Under pressure these solvents can react with aluminum and explode causing injury death or property damage Halogenated hydrocarbon solvents contain one or more of the following elements Element Symbol Prefix Fluorine F Fluo...

Страница 9: ... air compliance caps and gauge kits to test air flow and ensure compliance with regulations Refer to Compliance Kit Installation and Use for instructions Also available are adapters that install on the gravity cup fitting for use with the disposable paint cups of the 3M PPS Paint Preparation System or the HSM SPA System Specifications Item Specification Weight without siphon cup 480 grams 1 05 lb ...

Страница 10: ...g Before using your spray gun for production flush the spray gun to remove any oil and contaminants left over from the manufacturing process 1 Supply a solvent or waterborne cleaning solution compatible with your paint to the gun 2 With the spray gun touching the side of a grounded waste container spray into the container for a minute or two Operation 1 2 3 5 4 2a Figure 1 Trilogy General Purpose ...

Страница 11: ...sting the flow Rotate the regulator to the right clockwise to decrease material flow Rotate the regulator to the left counter clockwise to increase material flow Fan Pattern Adjustment See Figure 1 The fan pattern regulator 4 adjusts the shape of the spray pattern from flat to round Rotate the regulator to the right clockwise for a round pattern Rotate the regulator to the left counter clockwise f...

Страница 12: ...the surface Do not wave the gun with your wrist Begin moving the spray gun before pulling the trigger Move the gun back and forth at an even speed This will ensure even smooth overlapping patterns without any buildup where the trigger is pulled Release the trigger before stopping arm movements Immerse the gun nozzle in solvent or waterborne cleaning solution during pauses in production to prevent ...

Страница 13: ...vent fluid from spraying while performing the compliance test 2 Remove the retainer and production air cap from the gun Install the compliance air cap on the gun and tighten the retainer securely The compliance air cap comes with its own retainer 3 Connect the gauges to the air cap 4 Turn the gun atomizing air regulator all the way to MAX 5 Pull the trigger all the way back to allow full flow of a...

Страница 14: ...6 bar 37 psi 0 69 bar 10 psi Round 2 6 bar 38 psi 2 9 bar 41 5 psi 0 69 bar 10 psi C Flat 2 6 bar 37 5 psi 2 8 bar 41 psi 0 69 bar 10 psi Round 5 2 bar 76 psi 5 3 bar 77 5 psi 0 69 bar 10 psi D Flat 2 5 bar 37 psi 2 9 bar 42 5 psi 0 69 bar 10 psi Round 6 0 bar 88 psi 6 3 bar 91 psi 0 69 bar 10 psi NOTE A Pressure readings at regulator made using 50 ft of 3 8 in hose Cleaning 1 Flush the spray gun ...

Страница 15: ...or dirty Check air cap 2 clean if necessary Fluid nozzle installed incorrectly Check fluid nozzle 4 Fluid nozzle not tightened correctly Tighten fluid nozzle Fluid nozzle cracked at orifice Replace fluid nozzle 2 Paint leaking from packing gland Packing gland not tightened correctly Tighten packing gland 23 gradually until leaking stops Needle seals worn Replace seals 18 19 3 Pain dripping from no...

Страница 16: ... screw 9 3 Remove the the needle pressure spring 7 4 Pull the trigger 21 to push the needle back 5 Pull the paint needle 6 out of the gun Nozzle and Air Cap Removal 1 Unscrew the air cap 1 2 Unscrew the fluid nozzle 2 with a 14 mm wrench 3 Check the seal 3 and replace it if is damaged Assembly 1 Install the seal 3 on the nozzle then thread the fluid nozzle 2 into the gun and tighten securely 2 Thr...

Страница 17: ... 3 Unscrew the needle packing gland 5 4 Remove the needle seal 4 and replace it with a new seal 5 Thread the needle packing gland 5 into the gun body Do not tighten 6 Install the needle 6 into the gun then tighten the needle packing gland slightly The needle must be movable by hand without allowing fluid through the seal 7 Install the trigger and the pressure spring material adjustment screw and l...

Страница 18: ...son representative For customers outside the USA refer to the list of Nordson Global Locations at www nordson com Refer to the parts illustrations and lists on the following pages for gun parts and options 3 4 n y r m e a 1 0 2 bar a d n ei M G a m d a n e Gr i en M y 4 bar 3 2 0 1 1 2 3 4 5 6 7 7a 8 9 10 11 12 5a 13 14 15 16 17 19 18 20 21 22 23 24 25 26 27 28 Figure 4 Trilogy AS and LVLP Siphon ...

Страница 19: ... Trilogy NES 1 13 1600852 Regulator fan AC GP Trilogy NES 1 14 Gland packaging air valve 1 E 15 Seal packaging gland air valve 1 16 Pin valve trigger air Trilogy NES 1 C D 17 Spring pressure 1 B D 18 Screw retaining valve AC GP Trilogy NES 2 D 19 O ring 4 0 x 1 2 mm Viton 2 D 20 Seal 1 D 21 Guide needle 1 B C 22 Disc pressure 1 B C 23 Spring pressure 1 C 24 Gland packing needle 1 C 25 Needle 1 0 m...

Страница 20: ...Trilogy NES 1618293 Kit nozzle 2 5 mm AS Trilogy NES 1618294 Kit nozzle 3 0 mm AS Trilogy NES Nozzle Kits LVLP includes air cap 2 all seals 3 14 19 nozzle 4 and needle 24 1618295 Kit nozzle 0 5 mm LVLP Trilogy NES 1618296 Kit nozzle 0 8 mm LVLP Trilogy NES 1618297 Kit nozzle 1 0 mm LVLP Trilogy NES 1618298 Kit nozzle 1 2 mm LVLP Trilogy NES 1618299 Kit nozzle 1 3 mm LVLP Trilogy NES 1618300 Kit no...

Страница 21: ... 2006 42 EC Machinery Directive 2014 34 EU ATEX Directive Standards Used for Compliance EN ISO 12100 EN 1127 1 EN 13463 1 EN 1953 ATEX marking Ex II 2G T60º C X ___________________ Date 29Sept20 Hallie Smith Petee Engineering Manager Industrial Coating Systems Amherst Ohio USA Nordson Authorized Representative in the EU Person authorized to compile the relevant technical documentation Contact Oper...

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