Instruction/ maintenance manual of the product TI1962A Graco
Go to page of 28
311689G ENG Instructions/Parts List TRITON ® 3D350HP 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.
2 Contents W a r n i n g ................................... 3 I n s t a l l a t i o n ................................ 5 General Information ...................... 5 Tighten Threaded Connections .............. 5 Mounting the Pump ....................
3 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.
4 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.
Installation 5 Installation General Information •F IG . 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.
Installation 6 Mounting the Pump For ease of operation and service, mount the pump so the air inlet, fluid inlet, and fluid outlet ports are easily accessible. The inlet port must point down and the outlet port must point up. Use 5/8 in. lag screws or bolts for mounting.
Installation 7 Air Line 1. Install the air line accessories as shown in F IG .3 . Mount these accessories on the wall or on a bracket. Be sure the air line supplying the accesso- ries is grounded. a. Install an air regulator (C) and gauge to control the fluid pressure.
Installation 8 Key: A Air Supply Line B Bleed-Type Master Air Valve C Air Regulator D Air Line Filter E Fluid Suction Line F Fluid Supply G Fluid Drain Valve H Fluid Shutoff Valve J Fluid Line K Mount.
Installation 9 Grounding Ground all of this equipment: • Pump: use a ground wire and clamp. See F IG .4 . Loosen the grounding screw (X). Insert one end of a 1.5 mm 2 (12 ga) minimum ground wire (Y) into the pump’s grounding clamp (8) and tighten the screw (X) securely.
Operation 10 Operation Pressure Relief Procedure 1. Shut off the air to the pump. 2. Open the dispensing valve, if used. 3. Open the fluid drain valve to relieve all fluid pres- sure, having a container ready to catch the drain- age. Flush the Pump Before First Use The pump was tested in oil.
Maintenance 11 Maintenance Lubrication Flushing and Storage Flush the pump with a compatible solvent often enough to prevent the fluid you are pumping from drying in the pump and damaging it. Follow the Pressure Relief Pro- cedure on page 10 before storing it for any length of time.
Troubleshooting 12 Troubleshooting Relieve the pressure (page 10) before checking or servicing the equipment. Check all possible problems and causes before disassembling the pump. Problem Cause Solution Pump cycles at stall or fails to hold pressure at stall.
Troubleshooting 13 F IG . 5. Cutaway Views of Pump and Air Valve Fluid Outlet Outlet Ball Check Diaphragm Air Piston Inlet Ball Check Outlet Manifold Tube Fluid Inlet Inlet Manifold Tube Outlet Ball C.
Repair 14 Repair Prepare the Pump for Repair 1. Flush the pump if possible, page 11. 2. Relieve the pressure, page 10. 3. Disconnect the air and fluid hoses.
Repair 15 Replace the Diaphragms Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (31) from one fluid cover (1). Pull the cover assembly off, separating it from the fluid tubes (12). See F IG .6 . 3. Remove the fluid tubes (12) from the other cover assembly.
Repair 16 F IG . 6. Replace the Diaphragms 13* 12 13* 14* 13* 12 13* 14* 31 31 1 40 1 2 3 Lubricate. Torque to 20 N•m (15 ft-lb) 1 2 2 1 1 1 1 2 TI1959A 4 4 TI8632A TI8633A Diaphragm Repair Tool 261.
Repair 17 Repair the Air Valve Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (31) from one fluid cover (1). Pull the cover assembly off, separating it from the fluid tubes (12). See F IG .7 . 3. Remove the screws (31) and the other fluid cover (1) assembly, keeping the fluid tubes (12) attached.
Repair 18 12. Install the cup (47†) in the center housing. 13. Install the o-rings (43†, 44†, and 80†) on the air valve seat (33†). Lubricate the o-rings. Install the seat in the center housing (5), oriented with the spring pin (34). 14. Install the gasket (35†), cover (36), and screws and washers (38, 37).
Repair 19 Replace the Ball Check Valves Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (38) and take the tube assem- blies off the pump. See F IG .8 . 3. Remove the springs (65), ball guides (57), and balls (56) from the outlet (top) check valves.
Repair 20 F IG . 8. Replace the Ball Check Valves 12 38 2 65‡ 57‡ 56‡ 55 ★ 54 59 ★ 53‡ 65‡ 57‡ 56‡ 53‡ 59 ★ 58 3 38 12 4 38 58 ‡53 ‡56 ‡57 ‡65 ★ 59 ‡65 ‡57 ‡56 ★ 55 54 38 4 59 ★ ‡53 ★ 59 ★ 59 Torque to 10 N•m (7.
Repair 21 Replace the Cylinder and Piston Seals Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (38) and tube assemblies. See F IG .9 . 3. Disassemble the ball check valves, page 19. The flat seals (55, 59) are included with this repair kit.
Repair 22 12. Install the diaphragms (14), page 15. 13. Install the fluid covers (1). The arrows must point up. Torque the screws (31) to 20 N•m (15 ft-lb). 14. Check that the felt strips (71) are in place on the inside of the top (67) and bottom (66) covers.
Parts 23 Parts Part No. 253707 includes items 1-81 Part No. 253708 includes items 1-8,10-59, 61-81 38 37 36 35† †33 †43 †44 †47 45 67 5 13* 12 13* 38 2 65‡ 57‡ 56‡ 55 ◆★ 54 59 ◆.
Parts 24 Part No. 253707 includes items 1-81 Part No. 253708 includes items 1-8,10-59, 61-81 * Included in Diaphragm Repair Kit 243152.1 † Included in Air Valve Repair Kit 243153. ‡ Included in Ball Check Valve Repair Kit 243154. ◆ Included in Cylinder Seal Repair Kit 243155.
Technical Data 25 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 3:1 Maximum recommended flow rate (continuous duty) 7.
Performance Charts 26 Performance Charts CYCLES PER MINUTE AIR CONSUMPTION m 3 /min (scfm) FLUID OUTLET PRESSURE MPa, bar (psi) FLUID FLOW lpm (gpm); tested in No. 10 weight oil (280) (240) (200) (160) (120) (80) (40) 0 1.9, 19 1.7, 17 1.4, 14 1.0, 11 0.
Dimensions 27 Dimensions Wall Mount Hole Pattern For Accessory Wall Mount Kit 245875 Torque Sequence 360 mm (14.2 in.) 318 mm (12.5 in.) 146 mm (5.7 in.) 160 mm (6.3 in.) 213 mm (8.4 in.) M8 Mounting Holes Air Inlet; see page 25 for sizes. Fluid Inlet; see page 25 for sizes.
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 311689 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
An important point after buying a device Graco TI1962A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco TI1962A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco TI1962A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco TI1962A you will learn all the available features of the product, as well as information on its operation. The information that you get Graco TI1962A will certainly help you make a decision on the purchase.
If you already are a holder of Graco TI1962A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco TI1962A.
However, one of the most important roles played by the user manual is to help in solving problems with Graco TI1962A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco TI1962A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
