Oem kit.
4000 psi (27.6 mpa, 275.8 bar) maximum working pressure (material working psi).
7250 psi (50 mpa, 500 bar) maximum working pressure (material working psi).
7250 psi (50 mpa, 500 bar) maximum working pressure (material working psi). (14 pages)
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Operation ™ 332156D Series Big Rig Sprayers Use with Architectural Coatings, Paints, Roof Coatings and Below Grade Coatings. Not approved for use in explosive atmospheres or hazardous (classified) locations. For professional use only. Model Description Maximum Working Pressure 16U277 / 16U277V GH1017es Bare / Vanguard 1000 psi (6.9 MPa, 69 bar) 16U278 / 16U278V GH2570es Bare / Vanguard 2500 psi (17.2 MPa, 172 bar)
Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 7250 psi (50.0 MPa, 500 bar). Use Graco replacement parts or accessories that are rated a minimum of 7250 psi (50.0 MPa, 500 bar).
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Warnings WARNING WARNING WARNING WARNING MOVING PARTS HAZARD Moving parts can pinch, cut or amputate fingers and other body parts. • Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure and disconnect all power sources.
Lift Instructions Lift Instructions 3. Be sure straps/chains used for lifting are rated to support weight of sprayer: 500 lbs (227 kg). 4. Do not lift unit with only one strap secured across To avoid injury, always use designated Lift Locations pump.
Pressure Relief Procedure Pressure Relief Procedure 4. Rotate handle counter-clockwise to open prime valve. Follow the Pressure Relief Procedure whenever you see this symbol. This equipment stays pressurized until pressure is ti7120b manually relieved. To help prevent serious injury ti21061a from pressurized fluid, such as skin injection, splashing fluid and moving parts, follow the Pressure Grounding...
2. Connect other end of hose to gun and tighten fit- tings securely. ti5242a 8. Check hydraulic oil level, Component ID, page 5. Add only Graco Hydraulic Oil, ISO 46 169236 (5 gallon/18.9 liter) or 207428 (1 gallon/3.8 liter). Hydraulic tank capacity is approximately 4.0 gallons (15.14 liters).
Startup Startup 5. Start engine. a. Move fuel valve to open. Hydraulic system and engine may become very hot during operation and could burn skin if touched. Flammable materials spilled on hot, bare motor could cause fire or explosion. Have belt guard in place during operation to reduce risk of pinching or loss of fingers.
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Startup e. After engine starts, move choke to open. 9. Take spray gun trigger safety OFF. ti5403a ti21143a 10. Hold gun against grounded metal flushing pail. Trigger gun and increase fluid pressure slowly until pump runs smoothly. Set throttle to desired setting. ti7110c ti20730a 11.
Startup SwitchTip and Guard Assembly Clearing Tip Clogs 1. Insert SwitchTip. Insert seat and OneSeal. 1. Release trigger, put trigger safety ON. Rotate SwitchTip. Take trigger safety OFF and trigger gun to clear the clog. ti5257ba NOTE: Before screwing tip and guard assembly on 2.
Spraying Spraying 4. Adjust pressure to desired setting. Begin spraying. 1. Set pump valve ON. ti21062a ti7110c 5. Rotate Lock Ring clockwise to set pressure. ti7108a 2. Increase pressure enough to start hydraulic motor stroking and allow fluid to circulate for 15 seconds; turn pressure down.
Cleanup Cleanup 6. Turn engine ON and start engine. 7. Set pump valve ON. Rotate handle clockwise to close prime valve. Perform Pressure Relief Procedure, page 7. 2. Remove guard and SwitchTip. ti7108a ti7122b 3. GH933 units only: Unscrew bowl, remove filter. Assemble without filter.
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Cleanup 12. Raise siphon tube above flushing fluid and run 14. Rotate handle clockwise to close prime valve. Trig- sprayer for 15 to 30 seconds to drain fluid. ger gun into flushing pail to purge fluid from hose. ti7129b ti21060a ti20729a 13.
Hydraulic fluid too low. Shut off sprayer. Add fluid* Belt worn, broken or off. Replace. See manual 332157. Hydraulic pump worn or damaged. Bring sprayer to Graco distributor for repair. Dried paint seized paint pump rod. Service pump. See manuals 308043, 311825, 311762.
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Fluid supply is low or empty Refill supply container Excessive hydraulic pump noise Low hydraulic fluid level Turn sprayer OFF. Add fluid* *Check hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid, page 8. 332156D...
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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Original instructions. This manual contains English. MM 332156 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA Copyright 2012, Graco Inc. All Graco manufacturing locations are registered to ISO 9001. www.graco.com...