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3X8–448 Rev. F Supersedes Rev. C Includes Rev. D and E changes Parts Change Notice Some parts in Rev. C of manual 308–448 have changed but have not yet been changed in the instruction manual. Please note the changes below and mark them in your manual or keep this sheet with your manual. Series Letter Part That Ref Assembly No. Change Changed No. Part Description Description of Change Model 237–410 – 235–230 1 Husky 307 Pump Replaced by Part No. D31–331 Husky 307 Pump, acetal with PTFE dia- phrag
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Table of Contents Symbols Warning Symbol Warnings ...................................... 2 Setup.. ....................................... 4 System Component Information .................. 6 Operation ..................................... 8 This symbol alerts you to the possibility of serious Flushing ..................................... IO injury or death if you do not follow the instructions. Parts ........................................ 12 Technical Data ................................ 16
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EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result in serious injury. 0 This equipment is for professional use only. 0 Read all instruction manuals, tags, and labels before operating the equipment. l Use the equipment only for its intended purpose. If you are in doubt about this, call your Grace distributor. 0 Do not alter or modify this equipment. Use only genuine Grace parts and accessories. 0 Check equipment daily. Repair
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2. Clear obstacles and debris that could cause an A CAUTION unsafe operating environment. This equipment is compatible with most water 3. Bring an air line from your compressed air supply based materials. See the wetted parts in the Tech- to the pump location. Be sure the air is dry and nical Data section and your fluid and solvent filtered. Install a bleed-type master air valve manufacturer’s compatibility information. upstream from the pump. When it is closed and the pump air regulator (6a) is
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3. Connect the whip hose (10) to the fluid inlet of the III. Unpacking the System spray gun (2). In addition to the assembled unit, these components are packed loosely or separately: suction assembly, 4. Verify that all fittings throughout the system are hose set, gun, instruction manuals. These are the tightened securely. manuals you should receive: 5. Use a tie strap (58) to secure the hose set to the 308-I 94 Husky 307 pump leg of the cart. This provides strain relief so that 307-452 Air spra
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System Component Information VI. Using the G700N Air Spray Gun Refer to Fig. 3. 1. Make initial fluid and air adjustments at the pump for maximum efficiency. 2. If you make adjustments at the gun, take noted of what you do. Then, if the results are not satisfac- tory, you can easily return the gun to its previous adjustment. Steps 3 and 4 explain the gun adjust- ments. 3. Fan pattern adjusting valve (E). Normal adjust- ment is the valve turned out fully clockwise and then turned IN two full turn
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System Component Information IX. Using the 3-Way Valve VIII. Using the Air Regulators and Needle See Fig. 6. valve See Fig. 5. 1. Always open air and fluid regulators slowly to pre- Heated systems require that the fluid circulate vent surging during startup. constantly when the heater is turned on. The 3-way valve (9) supplied with this system enables you to The air regulator (6a) on the right side of the pump drain or circulate the fluid. The words Drain and Circu- controls air to the pump, and
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Operation 2. Hook the drain hose (13) on the waste pail. I. Pressure Relief Procedure 3. Close the filter drain valve (48). The system remains pressurized until pressure is 4. Turn the 3-way valve (9) to Drain. manually relieved. To reduce the risk of serious injury from pressurized fluid, accidental spray from the gun, or splashing of any fluid, follow this proce- 5. Open the fluid pressure regulator (44) (fully dure whenever you clockwise). l Are instructed to relieve pressure l Stop spraying
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Operation 12. Adjust the needle valve to set the pump cycle rate Fluid Viscosity Fluid Droop A at 1 stroke every 15 seconds. Measured with #2 Zahn cup Light (18-25 seconds) 8-10” (200-250 mm) Medium (25-40 seconds) 6-8” (150-200 mm) 13. Turn the heater dial to 3. Whenever the heater set- Heavy (40-60 seconds) 4-6” (100-l 50 mm) ting is changed, allow the fluid to circulate and sta- bilize before checking the temperature (about IO minutes) . A CAUTION 03998 Be sure the fluid is circulating whenev
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Operation v. Production Spraying VI. Shutting Down the System Shut down the system at the end of the work shift and You are now ready for production spraying. If you stop before checking, adjusting, cleaning, or repairing the spraying for more than 30 minutes, turn off the heater system. Always follow the Pressure Reiief Procedure to prevent overheating the fluid. on page 8. Flushing 4. Hook the drain hose (13) on the waste pail. When to Flush 5. Turn the 3-way valve (9) to Drain. Before the fir
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Flushina +a 16. Release the trigger, and close the fluid regulator 14. For a first-time flush, trigger the gun, and circulate (44) and the air regulators (6a,6b). the solvent for 20 seconds. For flushina after soravina fluid, turn the 3-way 17. Clean the filter screen, air cap, and fluid nozzle valve to Circulate. Trigger the gun periodically separately. whiie circulating the solvent. Periodically turn the 18. Open the filter drain valve (48). Remove the filter 3-way valve to Drain to flush out
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Parts Model 237410, Series A Ref Part Ref. Part No. No. No. Description No. Description my. QW 1 235-230 HUSKY 307 PUMP, 25 100-840 90” ELBOW, street, l/4 npt (m x f) See 308-l 94 for parts 1 26 111-805 BLOCK, diverter 2 217-752 G700N AIR SPRAY GUN 28 188-093 BRACKET, air regulator 29 169-971 AIR LINE FITTING, 3/8 npt(m) with 106-706 air cap and O/ON needle, see manual 307-452 1 30 103-473 STRAP 3 220-522 VISCON2 HEATER (120V) 31 155-494 90” SWIVEL UNION, 3/8 npsm(f) x See 307-805 for parts 1 3/
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Parts 16’ Model 237410, Series A 25 60 / 23 308-448 13
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Notes . 14 308-448
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Notes c 308-448 15
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Manual Change Summary Technical Data The current revision of this manual includes the Maximum fluid working pressure . . . . . . . . . . 100 psi (6.9 bar) following changes: Maximum incoming air pressure . . . . . . . . . . 100 psi (6.9 bar) Page 12, Parts List: Gun air consumption1 6 scfm at 50 psi (0.45 m3/min at 3.5 bar) Pump air consumption . . . . . . . . at I/Z gpm: 1 scfm at 60 psi l The quantity of item 25 (elbow) is changed to 3. (0.028 m3/min at 4.2 bar) l The quantity of item 47 (elbo
