Graco 239731 manual

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Table of contents for the manual

  • Page 1

    308777L EN Instr uctions - P ar ts List 75:1 Fire-Ball ® 425 Pumps For pumping non-corrosive a nd non-abrasive greases and lubric ants only . For prof essional use only . Model No. 239729, Series B 120 lb (55 kg) drum length Model No. 239730, Series B 400 lb (180 kg) drum length Model No. 239731, Series B stubb y length 100 psi (0.7 M P a, 7 bar) [...]

  • Page 2

    2 308777L Contents W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Mounting t he Pump . . . . . . . . . . . . . . . . . . . . . . . 5 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 T ypical Installat ion . . . . . . [...]

  • Page 3

    Warnings 308777L 3 Wa r n i n g s The f ollowing w ar nings are f or the setup , use , grounding, maint enance, and repair of this equipment. The e xclama- tion point symbol ale r ts you to a gener al warning and the hazard symbols ref er to procedur e-specific risks. When these symbols appear in the bod y of this manual or on warning labels, ref e[...]

  • Page 4

    Warnings 4 308777L EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injur y . • Do not oper ate the unit when f atigued or under the influence of drugs or alcohol. • Do not e xceed the maxi mum working pressure or t emperature r ating of the lo west r ated system com- ponent. See Te c h n i c a l D a t a in all equipment m anuals. • [...]

  • Page 5

    Installation 308777L 5 Installation Mounting the Pump • Selection a con v enient location f or the equipmen t to ensure easy operat or access to the pump air con- trols , sufficient room to change sup ply containers, and a secure mounting platf or m. • If you are mounting the pump dir ectly on the supply tank, position the pump so its int ake v[...]

  • Page 6

    Installation 6 308777L If yo u supply y our own accessories, be sure they are adequately siz ed and pressure- rated to meet the system requireme nts. Be sure the air hose is properly sized to de liver an ade- quate supply of air to the motor . See T echni cal Data on page 15. Connect a g round dispensing hose (F) to the 3/8 npt(f) pump outlet. I ns[...]

  • Page 7

    Operation 308777L 7 Operation Pressure Relief Pr ocedure F ollow t he Pressure Relief Proced ure whene v er yo u see this symbol. 1. Close the air regulators. 2. Close the supply pum p’ s ble ed-type master air v alve (required in this system). 3. Open the dispensin g v alve until pressure is fully relie ved. If you suspect that the dispensi ng v[...]

  • Page 8

    Maintenance 8 308777L Maintenance The accessory air line oiler (D) provides au tomatic air motor lubrication. F or daily man ual lubrication, disconnect the air hose , place about 15 drops of light machin e oil in the air inlet, reconnect the ho se, and turn on the air supply to blo w oil into the motor . T roub leshooting Bef ore serv icing this e[...]

  • Page 9

    Repair 308777L 9 Repair Ref er to F IG . 3 f or the follo wing instructions. Displacement Pump Repair Bef ore you start: • T o reduce do wntime, be sur e to hav e all necessary repair parts av ailable . Recommended sp are par ts are listed in the par ts list. • Repair kit 239734 is av ailab le. Use all new parts for best results. • The balls [...]

  • Page 10

    Repair 10 308777L Reassembl y 1. Hold the intak e housing (67) upright in a vise. On e at a time , place the f emale gland (74), f our leather v-pac kings (66) with the lips of t he packings f aci ng up , and the male gland ( 65) on the intak e housing. Place the gask et (62), seat ( 68), and ball (59) on the housing (6 7). 2. If the pins ( 77) wer[...]

  • Page 11

    Repair 308777L 11 6. Use a scre w driver to push do wn on the trip rod yok e (14) and snap the toggle assem blies (K) do wn. See F IG . 5. Remove the loc k wires (28) from th e adjusting nuts (27) of the tr ansf er valv es (M). Screw the top ad justing nuts (27) o ff . Screw the valv e stems (30) out of the g rommets (18) and lo wer adjusting nu ts[...]

  • Page 12

    Repair 12 308777L 7. Bef ore installing the lock wires (28) in the adjusting nuts (27) , use the special gauge, 171818, to adjust the transfer v alve (M) so there is 0. 125 inches ( 3.68 mm) clearance b etween the poppe ts (37) and the piston (5) w hen the to ggle assemblies are in the down position. 8. Snap the togg le assemblies (K) to th e up po[...]

  • Page 13

    Parts 308777L 13 Pa r t s 78 71 70 76 73 75 69 80 72 63 60 79 77 64 59 68 62 65 66 74 67 61 59 68 62 13 5 4 3 2 16 17 29 15 32 9 31 *37 52 8 *20 27* 28* *30 58 27* 18* 38* 42 7 33 36 6 40 53 26 56 21* 33 24 19 25 22 47 23 44 48 45 46 49 1 1 T orque to 45–55 ft–lb (61–75 N–m) 1 14[...]

  • Page 14

    Parts 14 308777L Model 239729, Series B, 120 lb (55 kg) drum length Model 239730, Series B, 400 lb (180 kg) drum length Model 239731, Series B, Stubb y length Air Motor Pump ❄ P ar ts included in Kit 207385 (p urchase separately). Repair Kit 23 9734, which may be purchase d sepa- rately , includes part to ser vice the air motor throat area and th[...]

  • Page 15

    Technical Data 308777L 15 Te c h n i c a l D a t a . Sound Pressure Level (measured at 1 meter from unit) Sound P o wer Level (tested in accordance with ISO 9614-2) 75:1 Fi re-Ball ® 425 Pumps US Metric Fluid pressure r atio 75:1 Air pressure oper ating range 40 to 100 psi 0.3 to 0.7 MP a, 3 to 7 bar Maximum w orking pressure 7500 psi 51.7 MP a, 5[...]

  • Page 16

    Technica l Data 16 308777L Dimensions 6.5” (165.1 mm) diameter 3/8 npt fluid outlet 41.25” 1048 mm 26–1 1/16” 678 mm 14–9/16” (369.9 mm) 1/2 npt(f) air inlet 6.5” (165.1 mm) diameter 3/8 npt fluid outlet 48–3/16” (1224 mm) 33–5/8” 855 mm 14–9/16” (369.9 mm) 1/2 npt(f) air inlet 06306 6.5 ” (165.1 mm) diameter 3/8 npt flu[...]

  • Page 17

    Mounting Hole Layout 308777L 17 Mounting Hole La y out 3 1/4” (82.6 mm) dia. two 5/16” (7.94 mm) dia. holes on 4 1/4” (108 mm) bolt circle 7/8” (22.2 mm) dia. 2–3/32” (53.18 mm) 45[...]

  • Page 18

    All written and visual data con tained in th is document reflects the late st product information available at the time of pu blica tion. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/pate nts. Original instructions. This manual contains English. MM 308777 Graco Headquarters: Minneapo[...]