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Graco 3D150 manual

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Table of contents for the manual

  • Page 1

    Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2006, Graco Inc. is r egistered to I. S. EN ISO 9001 311688D Instr uctions/P ar ts List Tr i t o n ® 3D150 Diaphra gm Pump Used to pump waterborne and sol vent-based paints and catalysts. P ar t No. 253704, Series B 3:1 Ratio Air-operated Doub le Diaphragm Pump, with BSPP Fittings P ar [...]

  • Page 2

    2 311688D Contents W arning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 General Information . . . . . . . . . . . . . . . . . . . . . . 5 Tightening Thre aded F asteners Bef ore First Use 5 Mounting t he Pump . . . . . . . . . . . . . . . . . [...]

  • Page 3

    Warnings 311688D 3 Wa r n i n g s The f ollowing w ar nings are f or the setup , use, g rounding, maintenance , and repair of this equipment. Th e exclama- tion point symbol ale r t s you to a gener al warning and the hazard symbol r efer s to procedure-specifi c r isk. Ref er bac k to these wa r nings. Additio nal, product- specific w ar nings ma [...]

  • Page 4

    Warnings 4 311688D T O XIC FLUID HAZARD Hazardous fluid or t oxic fumes can cause serious injur y or death if splashed in the e y es or on the skin, inhaled, or s wallow ed. • Know the sp ecific hazards of the fl uid you are using. • Store hazardous fluid in an ap prov ed container . Dispose of hazardous fluid according to all local, state and [...]

  • Page 5

    Installation 311688D 5 Installation General Inf ormation •F IG . 2 is only a guide f or installing system compo- nents and acce ssori es. It is not an actual system design. Contact y our Gr aco distribut or f or assis- tance in designi ng a system to suit y our particular needs . • Alwa ys use Genuin e Graco P ar ts and Accessories, av ailab le[...]

  • Page 6

    Installation 6 311688D Mounting the Pump • F or ease of oper ation and service, mount the pump so the air inlet, flu id inlet, and fluid outlet po r ts are easily accessible. • Mount the pump in a well- v entilated area with suffi- cient clearance on all sides f or oper ator access and ser vicing. • The pump must be moun ted hor izontally as [...]

  • Page 7

    Installation 311688D 7 Air Line 1. Install the air line accessories as sho wn in F IG . 2. Be sure the air line supplying the accessories is grounde d. a. The fluid pressur e can be controlled with either an air regu lator (F) t o control th e air into th e pump , or with a fluid regu lator (H) to control th e fluid out of the pum p . b . Install a[...]

  • Page 8

    Installation 8 311688D F IG . 2. T ypical Inst allation R B C D E F K A L G S M W Key: A TRIT ON 3D150 Pump B Bleed-type master air valv e (required for pump) C Air supply line D Air line filter E Air line shutoff va lve F Pump air regulator G Gun air regul ator (used in spra y system only) H Fluid pressure regulator (used in spra y system only) J [...]

  • Page 9

    Installation 311688D 9 Gr ounding Ground all of this equipment: • Pump: use a ground wire and clamp . See F IG . 3. Loosen the g rounding scre w (X). Insert one end of a 12 ga (1.5 mm 2 ) minimum gr ound wire (Y) under the clamp and tig hten the scre w securely . Connect the other end of t he wire to a true ear th ground. F or a ground wire and c[...]

  • Page 10

    Operation 10 311688D Operation Pressure Relief Pr ocedure 1. Shut off the air to th e pump. 2. Open the dispensing v alv e, if used. 3. Open the fluid dr ain v alve to re liev e all fluid pres- sure, ha ving a container r eady to catch the drainage . Flushing the Pump Bef ore First Use The pump wa s tested in oil. If oil could contamin ate the flui[...]

  • Page 11

    Maintenance 311688D 11 Maintenance Lubrication Flushing and Storage Flush the pump of ten enough to pre v ent the fluid y ou are pumping fr om curing, dr ying, or freezing in the pump and damaging it . Fo llow the Pressure Relief Procedure on page 10 bef ore storing it f or an y length of time . Use a compatib le flushing fluid. Tightening Threaded[...]

  • Page 12

    Troubleshooti ng 12 311688D T r oubleshooting Relie ve t he pressure (page 10) befo re checking o r servicing the equipment. Chec k all possible prob lems and causes bef ore disassemb ling the pump . Prob lem Cause Solution Pump cycles at stall or f ails to hold pressure a t stall. W or n check v alve balls (26), seats (31), or ball guide s (32). R[...]

  • Page 13

    Repair 311688D 13 Repair Prepare the Pump f or Repair 1. Flush the pump if possible , page 11. 2. Relie v e the pressure, pag e 10. 3. Disconnect the ai r and fluid hoses . 4. Remov e the pum p from its mounting and tak e it to the work benc h. General Repair Notes F ault Indications During operation, check f or indications o f worn or dam- aged pa[...]

  • Page 14

    Repair 14 311688D Replace the Diaphragms Disassembl y 1. Prepare the pump fo r repair of the cylinder-side dia- phragm. a. Remov e the 6 scre ws (39) and fluid co ver (3 7) from the housing side of t he pump . b . Press on the e xposed diap hragm (9) to fully e xtend the cylinder-sid e diaphragm. c. Replace the housing-side co ver and tighten the 6[...]

  • Page 15

    Repair 311688D 15 F IG . 4 Replace the Dia phragms TI" T orque to 1 6 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

    Repair 16 311688D Repair the Air V alve Disassembl y 1. Prepare the pump fo r repair , page 13 . 2. Remov e the air valv e sheet metal co v er (36) and f elt dampener (34) . 3. Unscrew the cylin der screws (21). 4. Remov e the v alv e cov er (20) with the f lat gasket (19†). 5. Use two scr ewdriv ers to lift out the air v alv e plate (16†) and [...]

  • Page 17

    Repair 311688D 17 F IG . 5. Repair the Air V alve ti2130B 12 Lubricate. T orque 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 1 1 1 3 2 55[...]

  • Page 18

    Repair 18 311688D Repair the Shaft and Bearings Disassembl y 1. Remov e the diaphragms. See page 13. 2. Disassemb le the air v alve . See page 16. 3. Remove the housing (54). • Slee ve clamp (6) is visible inside th e air valv e cavity . Spread the sleev e clamp (6) with p liers DIN 5254A, nomin al size 19, and at the same time, slide the shaft a[...]

  • Page 19

    Repair 311688D 19 F IG . 6. Repair the Shaft Lubricate. T orque to 1 2 ft-lb (16 N•m) Align arrow on housing with point on air valv e plate. T orque to 2 8 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 [...]

  • Page 20

    Repair 20 311688D Replace the Ball Chec k V alves Disassembl y 1. Remo ve fluid cov ers (see page 13) . Do not remov e housing (5 4). 2. Remov e the inlet and outlet ball checks (2 6-32). Note that the orientation of the inlet check par ts is diff erent than the outlet check pa r ts. (Se e F IG . 7.) 3. Replace all parts provided in Kit 245067. Rea[...]

  • Page 21

    Repair 311688D 21 F IG . 7. Replace the Ball Check V alves ti2128B T orque 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

    Parts 22 311688D Pa r t s P art No. 253704, Series B P art 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 ti213[...]

  • Page 23

    Parts 311688D 23 P art No. 253704 BSPP , Series B P art No. 253705 NPT , Series B ★ Included in Diaphra gm Housing Repair Kit. Order Kit 261665 f or 253704 pum ps and 261666 f or 253705 pumps . ◆ Included in Shaft Repair Kit 233841. ❖ Included in Bearing Repair Kit . Order Kit 15J647. * Included in Diaphragm Repair Kit 246011. † Included in[...]

  • Page 24

    Technical Data 24 311688D T ec hnical Data Sound Pressure Le vels in dB(A) at 50 cpm (measured at 1 me ter from unit) Category Data Maximum flu id working pressure 300 psi (2.1 MP a, 21 bar) Maximum air in put press ure 100 psi (0.7 MP a, 7 bar) Ratio 3:1 Maximum permissible str oke frequency in cycles/ min 20 V olume per cycle (double stroke) 5 oz[...]

  • Page 25

    Performance Chart 311688D 25 P erformance Chart T riton perf ormance test, 40, 70, 100 psi (.27, . 48, .69 MP a; 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 (.2 7 MPa, 2. 7 bar) 70 psi (.48 MP a, 4.8 bar ) 100 psi (.69 MP a, 6.9 bar)[...]

  • Page 26

    Dimensions 26 311688D Dimensions 234 mm 184 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 1/4 npt 253704 3/8 BSP P TI2133A 1 TI2133A 2[...]

  • Page 27

    Dimensions 311688D 27[...]

  • Page 28

    All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. This manual contains English. MM 311688 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 14[...]