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Instructions/Parts List
TRITON
Diaphragm Pump
Used to pump waterborne and solvent-based paints and catalysts.
Part No. 253707, Series D
3:1 Ratio Air-Operated Double Diaphragm Pump, with BSPP Fittings
Part No. 253708, Series D
3:1 Ratio Air-Operated Double Diaphragm Pump, with npt Fittings
0.6 MPa, 6 bar (88 psi) Maximum Air Input Pressure
1.8 MPa, 18 bar (260 psi) Maximum Fluid Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
®
3D350HP
311689G
ENG
TI1962A
II 2 G
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Summary of Contents for Graco TRITON 3D350HP
- Page 1 Instructions/Parts List ® TRITON 3D350HP Diaphragm Pump 311689G Used to pump waterborne and solvent-based paints and catalysts. Part No. 253707, Series D 3:1 Ratio Air-Operated Double Diaphragm Pump, with BSPP Fittings Part No. 253708, Series D 3:1 Ratio Air-Operated Double Diaphragm Pump, with npt Fittings 0.6 MPa, 6 bar (88 psi) Maximum Air Input Pressure 1.8 MPa, 18 bar (260 psi) Maximum Fluid Working Pressure Important Safety Instructions...
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Page 2: Table Of Contents
Flushing and Storage ....11 Graco Information ......28 Tighten Threaded Connections . -
Page 3: Warning
Read all instruction manuals, tags, and labels before operating the equipment. • Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. • Do not alter or modify this equipment. Use only genuine Graco parts and accessories. - Page 4 Warning TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or swallowed. • Know the specific hazards of the fluid you are using. • Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local, state and national guidelines.
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Page 5: Installation
• . 3 on page 8 is only a guide for installing system components and accessories. It is not an actual sys- tem design. Contact your Graco distributor for assis- tance in designing a system to suit your particular needs. -
Page 6: Mounting The Pump
Installation Mounting the Pump Floor Stand Installation Floor Stand Kit 245874 is available. See F . 2 to For ease of operation and service, mount the pump so assemble. the air inlet, fluid inlet, and fluid outlet ports are easily accessible. -
Page 7: Air Line
Installation Air Line Fluid Outlet Line 1. Install the air line accessories as shown in F . 3. 1. Use conductive fluid hoses (J). See F . 3. See Mount these accessories on the wall or on a Technical Data on page 25 to determine the fluid bracket. - Page 8 Installation TI1961B Key: Air Supply Line Mounting Bracket Bleed-Type Master Air Valve Internal Air Relief Valve Air Regulator Muffler Air Line Filter Air Line Quick Disconnect Coupler Fluid Suction Line Pump Air Piston Fluid Supply Pump Diaphragms Fluid Drain Valve Pump Ball Checks Fluid Shutoff Valve Air Shutoff Valve...
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Page 9: Grounding
Installation Grounding Before operating the pump, ground the system as explained below. Read the warnings on page 3. Ground all of this equipment: • Pump: use a ground wire and clamp. See F . 4. Loosen the grounding screw (X). Insert one end of a 1.5 mm (12 ga) minimum ground wire (Y) into the pump’s grounding clamp (8) and tighten the screw... -
Page 10: Operation
Operation Operation Pressure Relief Procedure 7. With the pump air regulator (C) closed, open the bleed-type master air valve (B). 8. If the fluid hose has a dispensing device, hold it open while continuing with the following step. 9. Slowly open the air regulator (C) until the pump Read the warnings on page 3, and follow the Pres- starts to cycle. -
Page 11: Maintenance
Maintenance Maintenance Lubrication Tighten Threaded Connections 1. Before each use, check all hoses for wear or dam- CAUTION age, and replace as necessary. Lubrication of the pump is not required. Oil is 2. Check to be sure all threaded connections are tight exhausted through the muffler, which could contami- and leak-free. -
Page 12: Troubleshooting
Troubleshooting Troubleshooting Relieve the pressure (page 10) before checking or Check all possible problems and causes before servicing the equipment. disassembling the pump. Problem Cause Solution Pump cycles at stall or fails to hold Worn check valve balls (56), seats Replace. - Page 13 Troubleshooting Fluid Outlet Outlet Manifold Tube Outlet Ball Check Optional Fluid Outlet Outlet Ball Check Diaphragm Diaphragm Inlet Ball Check Air Piston Fluid Inlet Carriage Diaphragm Shaft Inlet Manifold Tube Inlet Ball Check Driver Carriage Air Valve Carriage Air Valve Gasket Air Valve Cup Air Inlet Diaphragm Shaft...
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Page 14: Repair
A qualified technician should make all repairs. • Inspect and clean all parts thoroughly before reassembly. • Use only genuine Graco replacement parts, available from your Graco distributor. • Be careful not to damage sealing surfaces. • Replace all o-rings removed from the pump. -
Page 15: Replace The Diaphragms
Repair Replace the Diaphragms 2. Depress the first diaphragm (14*) using the dia- phragm repair tool and install the opposite dia- phragm (14*) by hand. Diaphragm Repair Kit 243152 is available. Parts included in the kit are marked, for example (14*). 3. - Page 16 Repair Lubricate. Torque to 20 N•m (15 ft-lb) TI1959A TI8632A Diaphragm Repair Tool 261695 TI8633A . 6. Replace the Diaphragms...
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Page 17: Repair The Air Valve
Repair Repair the Air Valve Reassembly Lubricate all o-rings when reassembling the Air Valve Repair Kit 243153 is available. Parts pump. included in the kit are marked, for example (33†). For the best results, use all parts in the kit. 1. - Page 18 Repair 12. Install the cup (47†) in the center housing. 16. Install the fluid covers (1). The arrows must point up. Torque the screws (31) to 20 N•m (15 ft-lb). 13. Install the o-rings (43†, 44†, and 80†) on the air valve seat (33†).
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Page 19: Replace The Ball Check Valves
Repair Replace the Ball Check Valves 2. Install the outlet tube assembly. Torque the screws (38) to 10 N•m (7.4 ft-lb). Ball Check Valve Repair Kit 243154 is available. Parts included in the kit are marked, for example CAUTION (56‡). For the best results, use all parts in the kit. The inlet ball check valves must be installed exactly as shown in F . - Page 20 Repair Torque to 10 N•m (7.4 ft-lb) 65‡ 57‡ 56‡ 55★ ‡65 ‡57 ‡56 59★ ★55 53‡ ★59 59★ ‡53 ★59 65‡ 57‡ 56‡ 53‡ ‡65 59★ ‡57 ‡56 ‡53 ★59 TI1960A . 8. Replace the Ball Check Valves...
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Page 21: Replace The Cylinder And Piston Seals
Repair Replace the Cylinder and Piston 15. Remove the screws (29) and cylinder inner cover (6). Remove the air valve tube (24) and o-ring (25) Seals from the inner cover. Do not lose the o-ring (25). 16. Remove the o-rings (28, 42) from the center hous- Cylinder Seal Repair Kit 243155 is available. - Page 22 Repair 12. Install the diaphragms (14), page 15. 15. Install the air inlet fitting (40). 13. Install the fluid covers (1). The arrows must point up. 16. Install the flat seals (55◆, 59◆) and the other ball Torque the screws (31) to 20 N•m (15 ft-lb). check parts, see page 19.
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Page 23: Parts
Parts Parts Part No. 253707 includes items 1-81 Part No. 253708 includes items 1-8,10-59, 61-81 37 36 35† 65‡ 57‡ 56‡ 55◆★ 48† ‡53 59◆★ †52 19† †33 †49 20† †43 †44 †47 42◆ 65‡ 57‡ 32◆ 22◆ 56‡ ‡65 53‡... - Page 24 Parts Part No. 253707 includes items 1-81 Part No. 253708 includes items 1-8,10-59, 61-81 Ref. Part No. Description Ref. Part No. Description 117029 SCREW, cap, socket-hd; M6 x 25 15A010 COVER, fluid 117019 VALVE, safety, relief 15A000 HOUSING, outlet, fluid; for 253707 15A790 FITTING, inlet, air;...
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Page 25: Technical Data
Technical Data Technical Data Category Data Maximum fluid working pressure 1.8 MPa, 18 bar (260 psi) Maximum air input pressure 0.6 MPa, 6 bar (88 psi) Ratio Maximum recommended flow rate (continuous duty) 7.6 liters/min (2.0 gpm) Maximum recommended cycle rate 20 cycles/minute Maximum flow rate 114 liters/min (30 gpm) -
Page 26: Performance Charts
Performance Charts Performance Charts CYCLES PER MINUTE 1.9, 19 (280) A = 0.6 MPa, 6 bar (88 psi) 1.7, 17 (240) (42) B = 0.4 MPa, 4 bar (60 psi) 1.4, 14 C = 0.2 MPa, 2 bar (30 psi) (35) (200) = Fluid Flow... -
Page 27: Dimensions
Dimensions Dimensions 213 mm (8.4 in.) M8 Mounting Fluid Outlet; Holes see page 25 for sizes. 360 mm (14.2 in.) Air Inlet; see page 25 for Fluid Inlet; sizes. see page 25 for sizes. 146 mm 160 mm (5.7 in.) (6.3 in.) TI1964A 318 mm... -
Page 28: Graco Standard Warranty
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.