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Instructions/Parts List
®
Triton 3D150
Diaphragm Pump
311688D
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.
S
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Contents Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 General Information . . . . . . . . . . . . . . . . . . . . . . 5 Prepare the Pump for Repair . . . . . . . . . . . . . . . 13 Tightening Threaded Fasteners Before First Use
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Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. Warning EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious inju
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Warnings 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. � Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and solvent manufacturer. � If a diaphragm fails,
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Installation Installation General Information Tightening Threaded Fasteners Before First Use �FIG. 2 is only a guide for installing system compo- nents and accessories. It is not an actual system See the Repair section for torque specifications. design. Contact your Graco distributor for assis- tance in designing a system to suit your particular � After unpacking the pump and before using it for the needs. first time, check and retorque all diaphragm cover bolts (38, 39). � Always use Genu
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Installation 5. Mount the bracket with the pump attached to the Mounting the Pump wall and tighten. � For ease of operation and service, mount the pump so the air inlet, fluid inlet, and fluid outlet ports are easily accessible. Hexagonal screw (2 required) � Mount the pump in a well-ventilated area with suffi- cient clearance on all sides for operator access and Compressed air servicing. connection Fluid � The pump must be mounted horizontally as shown Inlet in FIG. 1. Be sure that the
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Installation � For maximum suction lift (wet and dry) information, Air Line see Technical Data on page 24. 1. Install the air line accessories as shown in FIG. 2. � Use an agitator to prevent fluid from settling out. Be sure the air line supplying the accessories is Part number 245081 Agitator Kit (accessory) is grounded. available. a. The fluid pressure can be controlled with either an air regulator (F) to control the air into the Fluid Outlet Line pump, or with a fluid regulator (H) to
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Installation Key: A TRITON 3D150 Pump B Bleed-type master air valve S (required for pump) C Air supply line D Air line filter E Air line shutoff valve F Pump air regulator G Gun air regulator (used in R spray system only) G H Fluid pressure regulator B (used in spray system only) J Drain/circulation valve C KDrain tube T L Suction tube J M Pump fluid inlet N Pump fluid outlet H P Fluid hose (shown E connected to gun in spray system) F R Gun air hose (used in D P spray system only) S Spra
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Installation � All fluid pails used when flushing: Follow your local Grounding code. Use only conductive metal pails placed on a grounded surface. Do not place the pail on a non- conductive surface, such as paper or cardboard, which interrupts the grounding continuity. Before operating the pump, ground the system as explained below. Read the warnings on page 3. Ground all of this equipment: X � Pump: use a ground wire and clamp. See FIG. 3. Loosen the grounding screw (X). Insert one end o
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Operation Operation 4. Place the end of the fluid hose (P), see FIG. 2, into Pressure Relief Procedure an appropriate container. 5. Close the fluid drain valve (J). 6. With the pump air regulator (F) closed, open the bleed-type master air valve (B). Read the warnings on page 3, and follow the Pres- 7. If the fluid hose has a dispensing device, hold it sure Relief procedure below whenever you: open while continuing with the following step. � are instructed to relieve pressure � stop spraying
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Maintenance Maintenance Lubrication Tightening Threaded Connections CAUTION 1. Before each use, check all hoses for wear or dam- Lubrication of the pump is not required. Oil is age, and replace as necessary. exhausted through the muffler, which could contami- nate the fluid supply or other equipment. Excessive 2. Check to be sure all threaded connections are tight lubrication can also cause the pump to malfunction. and leak-free. 3. Check and re-torque all screws and fasteners at Flushing
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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 (26), seats Replace. See page 20. pressure at stall. (31), or ball guides (32). Pump will not cycle, or cycles once Stuck or dirty air valve. Disassemble and clean air valve. See and stops. page 16. Use filtered air. Check valve ball (2
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Repair Repair Prepare the Pump for Repair Fault Indications 1. Flush the pump if possible, page 11. During operation, check for indications of worn or dam- aged parts, such as: 2. Relieve the pressure, page 10. � major pressure fluctuations 3. Disconnect the air and fluid hoses. � change in the pump’s operating sound 4. Remove the pump from its mounting and take it to the work bench. � irregular operation. Always replace worn or damaged parts immediately to General Repair Notes prevent additio
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Repair d. Grip the cylinder-side diaphragm firmly and Replace the Diaphragms unscrew it from the rod by hand. e. Install a new diaphragm (9*) firmly, by hand. 3. Prepare the pump for repair of the housing-side dia- Wear gloves when removing or assembling the dia- phragm. phragms to reduce the risk of cuts. a. Press on the cylinder-side diaphragm so that it protrudes into the cylinder. This will fully extend Diaphragm Repair Kit 246011 is available. Parts the diaphragm on the housing side. i
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Repair Torque to 16 N�m (12 ft-lb). 1 7 1 39 37 54 Housing Side 9* †‡◆ 29* Cylinder Side 9* †‡◆ 29* 1 37 †‡◆ 29* †‡◆ 29* 38 1 FIG. 4 Replace the Diaphragms 311688D 15
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Repair Reassembly Repair the Air Valve Lubricate all o-rings when reassembling the Air Valve Repair Kit 245066 is available. Parts pump. included in the kit are marked, for example (33†). For the best results, use all parts in the kit. 1. Assemble in reverse order. Disassembly Orient the new flat gasket (19) on the air valve 1. Prepare the pump for repair, page 13. plate (16) so that the channels in the plate are completely covered. 2. Remove the air valve sheet metal cover (36) and felt
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Repair Lubricate. 1 Torque to 3.1 N�m (28 in-lb) 2 Align arrow on housing with point on air valve plate. 3 1 13†◆ 14 12 14 15† 17†◆ 1 18†◆ 1 11†◆ 1 10 16† 3 1 11†◆ 19†◆ 20 2 21 44 55 13†◆ 1 12 14 34 36 ti2130B FIG. 5. Repair the Air Valve 311688D 17
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Repair 4. Remove clip (42) and bearing (3). Repair the Shaft and Bearings Parts marked with a (♦) are included in Shaft Reassembly repair kit 233841. For the best results, use all parts in the repair kit. 1. Replace o-ring (2) in bearing, lubricate internal o-rings. Parts marked with a (❖) are included in Bearing repair kit 15J647. 2. Install new bearing (3) and clip (42) inside housing (54). Disassembly 3. Insert shaft assembly (7) into diaphragm housing (1) through the valve carriage, s
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Repair 1 Lubricate. Torque to 12 ft-lb (16 N�m) 2 Align arrow on housing with point on air valve plate. 3 Torque to 28 in-lb (3.1 N�m) 4 1 ◆✘ 39 2 54 37 1 *9 42❖ ◆❖2 3❖ 42❖ ❖43 ❖3 *9 †‡◆29 2◆❖ ❖43 29*†‡◆ 37 1 5 6 †◆11 1 15† 17†◆ 1 †◆11 1 38 2 10 18†◆ 1 12 ◆❖2 43❖ 29*†‡◆ *†‡◆29 3❖ ❖42 21 4 34 13†◆ 1 36 14 55 †16 44 3 †◆19 4 20 7◆ ti2131 FIG. 6. Repair the Shaft 311688D 19
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Repair Replace the Ball Check Valves Reassembly Ball Check Valve Repair Kit 245067 is available. Parts included in the kit are marked with a (‡). For 1. Reinstall the inlet and outlet ball checks on one side the best results, use all parts in the kit. of the pump. The inlet and outlet checks are assem- bled differently, install them exactly as shown in FIG. Disassembly 7. 1. Remove fluid covers (see page 13). Do not remove 2. Install one fluid cover loosely to prevent the ball housing (54
