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Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001

311688D

Instructions/Parts List

Triton

®

 3D150 

Diaphragm Pump

Used to pump waterborne and solvent-based paints and catalysts.

Part No. 253704, Series B

3:1 Ratio Air-operated Double Diaphragm Pump, with BSPP Fittings

Part No. 253705, Series B

3:1 Ratio Air-operated Double Diaphragm Pump, with NPT Fittings

100 psi (0.7 MPa, 7 bar) Maximum Air Input Pressure

300 psi (2.1 MPa, 21 bar) Maximum Fluid Working Pressure

Important Safety Instructions

Read all warnings and instructions in this manual. 
Save these instructions.

TI2125A

II 2 G

Summary of Contents for TRITON 3D150

Page 1: ...ts and catalysts Part No 253704 Series B 3 1 Ratio Air operated Double Diaphragm Pump with BSPP Fittings Part No 253705 Series B 3 1 Ratio Air operated Double Diaphragm Pump with NPT Fittings 100 psi...

Page 2: ...the Pump 10 Pump Shutdown 10 Maintenance 11 Lubrication 11 Flushing and Storage 11 Tightening Threaded Connections 11 Preventive Maintenance Schedule 11 Troubleshooting 12 Repair 13 Prepare the Pump f...

Page 3: ...F Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and safety regulations PRESSURIZED EQUIPMENT HAZARD Spray from the gun hose...

Page 4: ...place the pump in an appropriate container to catch the fluid if a diaphragm ruptures MOVING PARTS HAZARD Moving parts such as the diaphragm shaft can pinch or amputate your fingers Before servicing t...

Page 5: ...u supply your own accessories be sure they are adequately sized and pressure rated for your system Reference numbers and letters in parentheses refer to the reference numbers in the figures and the pa...

Page 6: ...ion The pump has two mount ing holes for 0 31 in 8 mm screws See the Dimension drawing on page 26 Wall mount using kit 246495 1 Use the bracket 15C022 as a template to drill 2 0 38 9 6 mm diameter hol...

Page 7: ...alant on connections to prevent air from entering the fluid line For maximum suction lift wet and dry information see Technical Data on page 24 Use an agitator to prevent fluid from settling out Part...

Page 8: ...un air regulator used in spray system only H Fluid pressure regulator used in spray system only J Drain circulation valve K Drain tube L Suction tube M Pump fluid inlet N Pump fluid outlet P Fluid hos...

Page 9: ...t No 222011 Air and fluid hoses Use only electrically conductive hoses Air compressor Follow manufacturer s recommen dations Fluid supply drum Follow your local code All fluid pails used when flushing...

Page 10: ...ter air valve B 7 If the fluid hose has a dispensing device hold it open while continuing with the following step 8 Slowly open the air regulator F until the pump starts to cycle Allow the pump to cyc...

Page 11: ...dam age and replace as necessary 2 Check to be sure all threaded connections are tight and leak free 3 Check and re torque all screws and fasteners at least every two months Preventive Maintenance Sc...

Page 12: ...gged suction line Inspect clear Sticky or leaking check valves Clean or replace balls 26 and seats 31 See page 20 Ruptured diaphragm 9 Replace See page 13 Restricted exhaust Remove restriction Air bub...

Page 13: ...on Always replace worn or damaged parts immediately to prevent additional damage Tools Required 3 4 and 6 mm allen wrenches 12 19 and 22 mm open end wrenches internal snap ring pliers o ring pick need...

Page 14: ...tall the 6 screws Torque the screws to 16 N m 12 ft lb 4 Repair the housing side diaphragm a Remove the 6 screws and the fluid cover from the housing side b Remove the ball check seals c The exposed d...

Page 15: ...Repair 311688D 15 FIG 4 Replace the Diaphragms TI Torque to 16 N m 12 ft lb 1 29 1 37 54 7 29 29 38 37 29 39 Cylinder Side 9 Housing Side 9 1 1...

Page 16: ...steps 8 and 9 for clip and plug on opposite side 10 Reach into the housing and press out the carriage 10 11 Replace o rings 11 Reassembly 1 Assemble in reverse order 2 Replace all parts with the new...

Page 17: ...17 FIG 5 Repair the Air Valve ti2130B 12 Lubricate Torque to 3 1 N m 28 in lb Align arrow on housing with point on air valve plate 1 2 3 13 14 19 20 21 34 36 44 10 11 14 15 17 18 16 14 12 13 11 1 1 1...

Page 18: ...3 Insert shaft assembly 7 into diaphragm housing 1 through the valve carriage spreading the sleeve clamp to allow full insertion Be careful to release sleeve clamp 6 in the correct location along the...

Page 19: ...to 12 ft lb 16 N m Align arrow on housing with point on air valve plate Torque to 28 in lb 3 1 N m 1 2 3 4 4 2 3 20 13 14 12 11 10 11 1 29 9 37 39 34 38 37 9 54 7 29 29 19 16 18 17 6 15 5 29 36 44 4 2...

Page 20: ...let checks are assem bled differently install them exactly as shown in FIG 7 2 Install one fluid cover loosely to prevent the ball checks from falling out 3 Turn the pump over and install the ball che...

Page 21: ...Repair 311688D 21 FIG 7 Replace the Ball Check Valves ti2128B Torque to 12 ft lb 16 N m Align 1 2 1 2 Inlet Ball Checks Outlet Ball Checks 29 32 26 28 29 1 32 26 31 30 27 26 32 28 29 30 31 26 32 29 1...

Page 22: ...Part No 253704 Series B Part No 253705 Series B 1 32 26 31 5 9 23 33 22 12 10 15 44 34 19 16 18 17 20 9 2 4 27 14 26 35 28 32 29 11 13 24 40 39 54 7 6 29 37 38 37 36 21 30 41 25 8 55 ti2132g 43 3 42...

Page 23: ...r valve 1 17 O RING 2 18 O RING 1 19 GASKET flat 1 20 197659 COVER valve 1 21 116474 SCREW cap socket head M4x20 Torque to 3 1 N m 2 3 ft lb 4 22 117160 VALVE safety 1 23 197661 DAMPENER noise 1 24 19...

Page 24: ...ble stroke 5 oz cycle 150 cc cycle Operating temperature range 50 176 F 10 80 C Dry suction lift 5 ft 1 5 m Wet suction lift 21 ft 6 5 m Air inlet size 1 4 npt 253705 3 8 BSPP 253704 Fluid inlet size...

Page 25: ...Triton performance test 40 70 100 psi 27 48 69 MPa 2 7 4 8 6 9 bar Cycles per minute Outlet Flow in gallons per minute Outlet Pressure in PSI Air Flow in SCFM 40 psi 70 psi 100 psi 40 psi 27 MPa 2 7 b...

Page 26: ...mm 7 2 in 104 mm 4 1 in 9 2 in Fluid Inlet 253705 3 4 npt 253704 M26x1 5 Fluid Outlet 253705 3 8 npt 253704 3 8 BSPP 9 mm 0 35 in 102 mm 4 0 in 66 mm 2 6 in diameter mounting holes Air Inlet 253705 1...

Page 27: ...Dimensions 311688D 27...

Page 28: ...or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRE...

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