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Operation/Repair/Parts
Electric Airless Sprayers
For professional use only.
Not approved for use in explosive atmospheres or hazardous locations.
For the application of architectural paints and coatings.
MP 455, S2150, Samba S Models:
3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual and in related manuals.
Be familiar with the controls and the proper usage of the equipment.
Save these instructions.
www.graco.com/techsupport
3A4193B
EN
ti29656a
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Table of Contents
Related Manuals for Graco MP455
Summary of Contents for Graco MP455
- Page 1 3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual and in related manuals. Be familiar with the controls and the proper usage of the equipment. Save these instructions. ti29656a www.graco.com/techsupport...
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Page 2: Table Of Contents
Table of Contents Models ..........3 Component Identification . -
Page 3: Models
Models Models Stand Model MP455 17M196 S2150 17M214 Schuko Samba S 17M233 MP455 17M207 S2150 17M219 3A4193B... - Page 4 Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.
- Page 5 • Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 3300 psi. Use Graco replacement parts or accessories that are rated a minimum of 3300 psi. • Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.
- Page 6 Use Graco conductive or grounded high-pressure airless paint sprayer hoses. •...
- Page 7 Warnings ELECTRIC SHOCK HAZARD This equipment must be grounded. Improper grounding, setup, or usage of the system can cause electric shock. • Turn off and disconnect power cord before servicing equipment. • Connect only to grounded electrical outlets. • Use only 3-wire extension cords. •...
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Page 8: Component Identification
Component Identification Component Identification Stand Models (17M196, 17M207) ti29657a M Drain Tube ON/OFF Switch Fluid Intake Pressure Control Pump Two-Finger Trigger Conversion Kit Fluid Outlet Prime Valve Power Cord Wrap Tip Guard Filter (inside manifold) Spray Tip Finger Guard / TSO Fill Point W Pressure Gauge Airless Hose Model/Serial Tag (Not shown, located... -
Page 9: Stand Models (17M214, 17M219, 17M233)
Component Identification Stand Models (17M214, 17M219, 17M233) ti29658a M Drain Tube ON/OFF Switch Fluid Intake Pressure Control Pump Two-Finger Trigger Conversion Kit Fluid Outlet Prime Valve Power Cord Wrap Tip Guard Filter (inside manifold) Spray Tip Finger Guard / TSO Fill Point W Pressure Gauge Airless Hose Model/Serial Tag (Not shown, located... -
Page 10: Grounding
Grounding Grounding The equipment must be grounded to reduce the risk of static sparking and electric shock. An electric or static spark can cause fumes to ignite or explode. An improper ground can cause electric shock. A good ground provides an escape wire for the electric current. -
Page 11: Pressure Relief Procedure
Pressure Relief Procedure Pressure Relief Procedure Turn pressure control to lowest setting. Follow the Pressure Relief Disengage the trigger lock. Procedure whenever you see this symbol. ti29454a Hold a metal part of the gun firmly to a grounded metal pail. Trigger the gun to This equipment stays pressurized until relieve pressure. -
Page 12: Trigger Lock
Pressure Relief Procedure Trigger Lock Engage the trigger lock. Put drain tube in a pail. Turn prime valve Always engage the trigger lock when sprayer down. Leave prime valve in down (drain) is stopped to prevent the gun from being position until you are ready to spray triggered accidentally by hand or if dropped again. -
Page 13: Setup
Setup Setup Use wrenches to tighten securely. Engage trigger lock. When unpacking sprayer for the first time or after long term storage perform setup procedure. When first setup is performed remove shipping plug from fluid outlet. Connect airless hose to fluid outlet. Use ti29455a wrenches to tighten securely. - Page 14 Setup When unpacking sprayer for the first Squeeze bottle to dispense enough time remove packaging materials from TSO to fill the space between the inlet strainer. After long term storage pump rod and packing nut seal. check inlet strainer for clogs and debris. ti29460a Make certain ON/OFF switch is OFF.
- Page 15 Setup 10. Turn prime valve down. 15. Turn prime valve horizontal. Disengage trigger lock. ti29461a 11. Place fluid intake with drain tube in grounded metal pail partially filled with flushing fluid. See Grounding, page 11. NOTE: New sprayers are shipped with storage fluid that must be flushed out with mineral spirits prior to using the sprayer.
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Page 16: Startup
Startup Startup Turn pressure control 1/2 turn to start motor. Allow paint to circulate through sprayer until paint flows out the drain tube. Perform Pressure Relief Procedure, page 12. Turn pressure control to lowest pressure. ti29464a Turn prime valve horizontal. Disengage trigger lock. - Page 17 Startup Hold gun against grounded metal waste pail. Trigger gun until paint appears. High-pressure spray is able to inject toxins into the body and cause serious bodily injury. Do not stop leaks with hand or rag. Inspect for leaks. If leaks occur, perform Pressure Relief Procedure, page 12, then tighten all fittings and repeat Startup procedure.
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Page 18: Operation
Operation Operation Spray Tip Installation Spray Spray test pattern. Adjust pressure to eliminate heavy edges. To avoid serious injury from skin injection do not put your hand in front of the spray tip when installing or removing the spray tip and tip guard. -
Page 19: Clear Tip Clog
Operation Clear Tip Clog Cleanup In the event that particles or debris clog the spray tip, this sprayer is designed with a Perform Pressure Relief Procedure, reversible spray tip that quickly and easily page 12. clears the particles without disassembling the sprayer. - Page 20 Operation Place fluid intake in flushing fluid. Use While continuing to trigger gun, turn water for water base paint and mineral prime valve down. Then, release gun spirits for oil-based paint. Place drain trigger. Allow flushing fluid to circulate tube in waste pail. until fluid comes out of drain tube clear.
- Page 21 Operation 12. Turn pressure control knob to the lowest 14. If flushing with water, flush again with pressure setting and turn ON/OFF mineral spirits or Pump Conditioner to switch to OFF position. Disconnect leave a protective coating to prevent power to sprayer. freezing or corrosion.
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Page 22: Maintenance
Maintenance Maintenance Routine maintenance is important to ensure proper operation of your sprayer. Maintenance includes performing routine actions which keep your sprayer in operation and prevents trouble in the future. Activity Interval Inspect/clean sprayer filter, fluid inlet strainer, and gun Daily or each time you spray filter. -
Page 23: Troubleshooting
Troubleshooting Troubleshooting Mechanical/Fluid Flow Follow Pressure Relief Procedure, Check all possible problems and causes page 12, before checking or repairing. before disassembling the unit. What to Check What to Do If check is OK, go to next When check is not OK, Problem check refer to this column... - Page 24 Troubleshooting What to Check What to Do If check is OK, go to next When check is not OK, Problem check refer to this column Pump output is low Pump rod damage. Repair pump. See pump manual. Low stall pressure. Turn pressure knob fully clockwise.
- Page 25 Troubleshooting What to Check What to Do If check is OK, go to next When check is not OK, Problem check refer to this column Fluid is spitting from gun Air in pump or hose. Check and tighten all fluid connections.
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Page 26: Electrical
Troubleshooting Electrical Symptom: Sprayer does not run, stops Turn the ON/OFF switch OFF wait 30 running, or will not shut off. seconds and then turn power back ON again (this ensures sprayer is in normal run mode). Turn pressure control knob clockwise 1/2 turn. - Page 27 Troubleshooting Problem What to Check How to check Check motor rotation. Perform a spin test by connecting a 9 –12 Volt battery to the motor leads. Motor leads may vary in style and size. Locate the two wires going to the carbon brushes normally Red and Black.
- Page 28 Troubleshooting Problem What to Check How to check Check motor armature resistance. Connect the Red and Black leads from the motor to an Ohm meter. Rotate the motor while checking for opens. If an open is found replace the motor. BLACK (-) RED (+) YELLOW...
- Page 29 Troubleshooting Problem What to Check How to check Sprayer will not shut off after Check pressure control. Disconnect pressure control, if reaching or exceeding maximum sprayer still runs, replace control pressure. board. If the sprayer stops, replace pressure control. Basic electrical problems Motor leads are securely fastened Replace loose terminals;...
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Page 30: Sprayer Parts
Sprayer Parts Sprayer Parts Models 17M196, 17M207 Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) 30-35 in-lb (3.4 - 4.0 N•m) 23-27 in-lb (2.6 - 3.1 N•m) ti29659a See page 36 3A4193B... -
Page 31: Sprayer Parts
Sprayer Parts Sprayer Parts Models 17M196, 17M207 Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) Hammer tight 23-27 in-lb (2.6 - 3.1 N•m) ti29660a 3A4193B... -
Page 32: Sprayers Parts List
Sprayer Parts Sprayers Parts List Models 17M196, 17M207 Ref. Part Description Qty. Ref. Part Description Qty. 117493 SCREW, mach, hex 107434 BEARING, thrust washer hd 115498 SCREW, mch, slot/hex, 113796 SCREW, flanged, hex wash hd 115495 SCREW, mach, hex 116073 WASHER, thrust washer hd 116074... -
Page 33: Sprayers Parts
Sprayers Parts Sprayers Parts Models 17M214, 17M219, 17M233 Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) 30-35 in-lb (3.4 - 4.0 N•m) 23-27 in-lb (2.6 - 3.1 N•m) ti29661a See page 36 3A4193B... -
Page 34: Sprayers Parts
Sprayers Parts Sprayers Parts Models 17M214, 17M219, 17M233 Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) Hammer tight 23-27 in-lb (2.6 - 3.1 N•m) ti29662a 3A4193B... -
Page 35: Sprayers Parts List
Sprayers Parts Sprayers Parts List Models 17M214, 17M219, 17M233 Ref. Part Description Qty. Ref. Part Description Qty. LABEL, front 107434 BEARING, thrust LABEL, side 115498 SCREW, mch, slot/hex, 54 * KIT, motor, electric wash hd includes 54a 116073 WASHER, thrust 17C794 110/120V 116074... -
Page 36: Control Box And Filter
Control Box and Filter Control Box and Filter Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) 30-35 in-lb (3.4 - 4.0 N•m) 130-150 in-lb (14.7-16.9 N•m) 320-380 in-lb (36.2-42.9 N•m) ti29663a 3A4193B... -
Page 37: Control And Filter Parts List
Control Box and Filter Control and Filter Parts List Ref. Part Description Qty. Ref. Part Description Qty. 117493 SCREW, mach 111600 PIN, grooved BOARD, control 277364 GASKET, seat, valve 249052 110/120V 117501 SCREW, mach, hex 16X295 230V includes 49a washer hd 49a 24R905 BOARD, capacitor, 17M398... -
Page 38: Wiring Diagrams
Wiring Diagrams Wiring Diagrams 110/120V from Motor Red (+) 2 x Yellow Black (-) Replaceable Fuse Pressure Control Assembly ON/OFF Switch ti5643a Black Capacitor Power White Plug Green ti5643a 230V From Motor Red (+) 2X Yellow Black (-) Pressure Control Assembly Replaceable Fuse... -
Page 39: Technical Specifications
185 per liter Generator Minimum 3000 W 3000 W 120V, A, Hz 1Ø, 13, 50/60 220–240V, A, Hz 1Ø, 8, 50/60 Dimensions Height MP455 18.0 in. 45.7 cm S1250 / Samba S 18.0 in. 45.7 cm Length MP455 17.0 in. 43.2 cm S2150 / Samba S 16.0 in. - Page 40 All written and visual data contained in this document reflects the latest product information available at the time of publication. The manufacturer reserves the right to make changes at any time without notice. Original instructions. This manual contains English. MM 3A4193 Copyright 2016, All manufacturing locations are registered to ISO 9001.