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Graco 295616 manual

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  • Page 1

    Instructions T2 2:1 Ratio Transfer Pump For use with polyurethane foam, polyurea, and si milar non-flammabl e materials. For professional use only. Not for us e in ex plosive at mospheres. Model 295616 (55-gall on drum) 180 psi (1.2 MP a, 12 bar) M aximu m Air Wor king Pres sure 405 p si (2.7 MP a, 27 ba r) Maximu m Fluid Worki ng Pressu re Im port[...]

  • Page 2

    Warnings 2 311882T Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Moisture Sensit ivity of Isocy anates . . . . . . . . . . . . 4 Isocyan ate Hazard . . . . . . . . . . . . . . . . . . . . . . . 4 Foam Self- Ignition . . . . . . . . . . . . . . . . . . . . . . . . 4 Keep C omponents A and B Separa te . . . . .[...]

  • Page 3

    Warn ings 311882T 3 EQU IPMENT MIS USE HAZ ARD Misus e can cau se death o r seri ous injur y. • Do not operate th e unit when fatigu ed or unde r the inf luence of drugs or a lcohol. • Do not exceed t he maximu m working p ressure or temper ature rati ng of th e lowest rate d syste m compone nt. See Technic al Data in al l equipme nt manu als. [...]

  • Page 4

    Moistu re Sensitiv ity o f Isocya nates 4 311882T Moistu re Sensit ivity of Isocy anates Isocyan ates (IS O) ar e catalysts used in two co mponent foam a nd polyu rea coa tings. ISO wil l reac t with moi sture (such as hu midity) to form sm all, hard, ab rasive cry stals, which bec ome sus pended in the flu id. Even tually a film will form o n the [...]

  • Page 5

    Typica l Insta llatio n 311882T 5 Typical Installation Typical Installat ion, witho ut Circulation Key for F IG . 1 A React or Proport ioner B Hea ted H ose C Fluid Te mperat ure Sensor ( FTS) D Hea ted W hip Hose E Fusion Spray Gun F Proportion er and Gun Air Sup ply Hose G Feed Pump Ai r Supply Li nes (3/8 i n. (76 mm ) ID min. H Waste Containe r[...]

  • Page 6

    Typ ical I nst allat ion 6 311882T Typical Installat ion, with Circu lation Key for F IG . 2 A React or Proport ioner B Hea ted H ose C Fluid Te mperat ure Sensor ( FTS) D Hea ted W hip Hose E Fusion Spray Gun F Proportion er and Gun Air Sup ply Hose G Feed Pump Air Su pply Lines (3/8 in. (76 mm) I D min) J Fluid Supply Lines K Feed Pumps L Agitato[...]

  • Page 7

    Typica l Insta llatio n 311882T 7 Typical Installat ion for Lub rication Applicat ions Key for F IG . 3 A Pum p Ai r Regu lat or B Air Li ne Lub ricator C Air Li ne Filt er D Bleed-Ty pe Master Air Valv e (required , for pum p) E Fluid Dr ain Valv e (required ) F Bung Adap ter G Grounded Air Ho se H Grounded Fluid Hose J Pump Flui d Inlet K 1/4 npt[...]

  • Page 8

    Inst allation 8 311882T Installa tion System Accessories To ens ure maximu m pump performan ce, be sure t hat all access ories used a re prop erly siz ed to me et you r sys- tem’s requ ireme nts. See Accessor ies , page 20. Air Line Accessories Install t he foll owing ac cessorie s in t he order shown in the Typical Installation for Lubricat ion [...]

  • Page 9

    Setup 311882T 9 Setup 1. Apply th read sea lant to the male t hread s of the ai r needle v alve (4 8) and the quick d isconnect fitting (49) and i nstall. S ee F IG . 4 2. Apply th read sea lant to the male o utlet fitti ng (not supplie d) and insert into th e outle t port. Se e F IG . 5. 3. Use labels (70 ) prov ided to id entify the appro priate [...]

  • Page 10

    Setup 10 311882T 5. Install a ir line (3/8 in. (76 m m) ID m inimum) wi th quick dis connec t air c oupler (52) prov ided. S ee F IG . 8. Grounding the System To redu ce the r isk of stati c spar king, gr ound th e pump and all o ther equi pment u sed or loc ated in the pumpi ng area. Chec k your l ocal ele ctrical code for detai led groundi ng ins[...]

  • Page 11

    Operatio n 311882T 11 Operation Pressure Relief Procedure 1. Engag e trigger l ock. 2. Close the bleed-type maste r air valve . 3. Disengag e the trig ger loc k. 4. Hold a meta l part of the dis pense v alve firml y to a grounded metal pail. Tri gger the v alve to relieve pressu re. 5. Engag e the trig ger lock. 6. Open all fluid drai n valve s in [...]

  • Page 12

    Air Motor Repair 12 311882T Air Motor Repair 1. Remove c ap (1), cylinde r (4), and squar e gaske ts (3*). In spect al l part s, incl uding sp ring under ca p (not show n in F IG . 10) fo r damage and repl ace if necessar y. See F IG . 10. U nscrew by hand or u se a chain wr ench to p revent di stortio n of the cylinder ’s shape . NOTE: Cap (1) w[...]

  • Page 13

    Air Motor Repair 311882T 13 4. Align s lot of shi eld (75 ) with pis ton ho le and pl ace pin tool ( 69) in piston ho le to p revent pi ston fro m turning. Use sec ond pin too l (69) to unscrew p iston cap (17 ) and sep arate fr om piston (21) to expose dowel p in (19). S ee F IG . 13. 5. Remove do wel pin ( 19) and ta ke pist on cap (17) off trans[...]

  • Page 14

    Pump Low er Rep air 14 311882T Pump Lower Repair 1. Use a chain wr ench near the top of the suction tu be at the p oint indi cated in F IG . 16, and a wrench on the flat s of the fo ot valve (45) to loo sen th e foot valve fr om the s uctio n tube (44 ). To prev ent da m- age to the s uction t ube, do not remove t he foot valve u ntil i nstruc ted [...]

  • Page 15

    Pump Lower Repair 311882T 15 7. Pull tra nsfer sh aft (20) out the bo ttom of pum p body (34). See F IG . 19. 8. Remove pi n (56). Remove piston v alve as sembly . Unscrew piston valve ( 43) from pisto n housin g (53). Remove wea r ring (4 1*), u- cup (40* ) and ball ( 42). Inspect a ll parts fo r damage . See F IG . 20 . 9. Remo ve pins (55). Se e[...]

  • Page 16

    Pump Low er Rep air 16 311882T 11. Unscrew mounti ng flange (26) from pum p body (34). Remov e o-ring ( 32*) an d PTFE g asket (33* ) from pum p body (3 4). Insp ect al l parts for damag e. See F IG . 23. NOTE: Align a bottom sl ot of the shie ld (75) and use pin tool (69) to l oosen th e hex nu t/packin gs from the pump shaf t. 12. Remove he x nut[...]

  • Page 17

    Reas sembly 311882T 17 Reassembl y To reass emble the pump l ower and a ir motor, rev erse the st eps on the preceding pages. Follow t he torque requireme nts lis ted in the Par ts - Model 295616 draw- ing on page 18. Troubleshoot ing NOTE : See Air Moto r Repair , step 3 and st ep 4 (F IG . 12) for sp ecial not es on rea ssembly. Problem Cause Sol[...]

  • Page 18

    Parts - Mo del 295616 18 311882T Parts - Mode l 295616 WLE 4 2 *3 1 *32 *28 *29 *30 27 25 24* 23 22 21 *33 60 53 56 ✓ 37 36 39 34 42 ✓ 43 44 46 47 71 38 ✓ 45 41 ✓ 40 ✓ ❄ 54 38 ✓ 31* 26 72 51b 51c ✓ 51a 51 Bung Adapt er Lubricate all o-rings and s eals before and after assembly Torque to 45-55 ft-lbs ( 61-74.5 N•m) T[...]

  • Page 19

    Parts - Model 29561 6 311882T 19 NOTE: The T2 can be adapte d for u se in 250 gallon (946 l iter) to tes. Tub e Extens ion 24N451 incr eases t he length b y 6.25 in . (165 mm) to reac h mate rial in the bot- tom o f larger tot es. Ref Part Descri ption Qty 1 ‡ 16V524 CAP, air cy linder 1 2 ‡ 157630 SPRING, tape red 1 3 ‡ * 120212 PACKING, s q[...]

  • Page 20

    Acce ssories 20 311882T Accessories Grounding Clamp Bleed-Type Master Air Val ve 300 psi (2.1 MPa, 21 bar) Maximum Worki ng Pressure Air Line Filter 250 psi (1.7 MPa, 17.5 bar) Maximum Working Pressure Air Line Lub ricator 250 psi (1.7 MPa, 17.5 bar) Maxi mum Working Pressure Air Line Filter and Regulator 180 psi (1.3 MPa, 13 bar) Maximum Working P[...]

  • Page 21

    Acce ssori es 311882T 21 Air Regulator and Gauge 300 psi (2.1 MPa, 21 bar) Maximum Worki ng Pressure Fluid Drain Valve 500 psi (3.5 MPa, 35 bar) Maximum Working Pressure Part Des criptio n Qty . 202156 REGULA TOR, air; 0-200 ps i (0-14 bar ) regula ted pressur e range ; 3/8 npt (f) inlet and ou tlet 1 Part Desc ription Qty . 208630 VALVE, b all; 1/[...]

  • Page 22

    Technic al Data 22 311882T Technical Da ta Dimensions T2 2:1 Rat io Transfer P ump US Metric Pressur e Ratio 2.25:1 Max fluid wo rking p ressure 405 psi 2.8 MPa, 2 8 bar Maximum Air in let pres sure 180 psi 1.2 MP a, 12 bar Max Out put Flow (c ontinuous ) 5.0 GPM 20 lp m Max Out put Flow (i ntermitte nt 7.5 GPM 28 lp m Pump cy cles pe r 1 gallon ( [...]

  • Page 23

    Technica l Data 311882T 23 Performance Chart Calculate Fluid Out let Pressu re (black curv es) To ca lcul ate fluid outlet pr essure (MPa/b ar/psi) at a spe- cific f luid flow (lpm/gpm ) and oper ating ai r pressu re (MPa/ba r/psi) , use the fo llowing i nstruct ions and pump data char t. 1. Locate de sired fl uid flow a long botto m of ch art. 2. [...]

  • Page 24

    All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco rese rves the right to make changes at any t ime without notice. Original instructions. This manual contains English. MM 311882 Graco H eadquarters: Min neapolis International O ffices: Belgium, China, Japan, K[...]