Graco 234192 Instructions Manual Download Page 14 | Manualshive

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14

309668

Service

01436B

Fig. 5

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1

VALVE PLATE DETAIL

GREASE APPLICATION

19

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Torque oppositely and evenly to 8 to 14 in-lb (0.9 to 1.6 N-m).
Torque to 5 to 7 in-lb (0.6 to 0.8 N-m).
Apply grease (26

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3

112

1

2

4

4

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12

13

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Summary of Contents for 234192

Page 1: ...in this manual Save these instructions herkules 338 Air Operated Diaphragm Pump 100 psi 0 7 MPa 7 bar Maximum Fluid Working Pressure 100 psi 0 7 MPa 7 bar Maximum Air Input Pressure Model No 234192 A...

Page 2: ...nt D Use the equipment only for its intended purpose If you are not sure call your herkules distributor D Do not alter or modify this equipment Use only genuine herkules parts and accessories D Check...

Page 3: ...lt in a fire or explosion and serious injury D Ground the equipment Refer to Grounding on page 5 D Never use a polypropylene pump with non conductive flammable fluids as specified by your local fire p...

Page 4: ...he Technical Data section of all equipment manu als Read the fluid and solvent manufacturer s warnings WARNING Safe Operating Temperature Minimum 40_F 4 4_C Maximum 150_F 66_C Operating outside these...

Page 5: ...r resistivity of your fluid The resistivity must be less than 2 x 1012 ohm centimeters WARNING To reduce the risk of static sparking ground the pump and all other equipment used or located in the pump...

Page 6: ...ctive flexible air hose C between the accessories and the 1 4 npt f pump air inlet Use a minimum 1 4 6 3 mm ID air hose Screw an air line quick disconnect coupler D onto the end of the air hose C and...

Page 7: ...r example from an underground tank Overpressurization can also occur if the herkules pump is being used to feed fluid to a piston pump and the intake valve of the piston pump does not close causing fl...

Page 8: ...exhaust port PRESSURIZED EQUIPMENT HAZARD To reduce the risk of serious eye injury from ice particles never operate the pump with the air exhaust port open Ice may form during pump operation and ice...

Page 9: ...d section may rupture Always follow the Pressure Relief Procedure above before lifting the pump WARNING 1 Be sure the pump is properly grounded Read FIRE OR EXPLOSION HAZARD on page 3 2 Check all fitt...

Page 10: ...rings 3 6 and or valve cup 5 and plate 13 are broken or damaged Replace these parts See pages 15 16 The pump cycles at stall or fails to hold pressure at stall The check valves or o rings 108 are leak...

Page 11: ...d in the exhaust air The diaphragm 401 is ruptured Replace the diaphragm See page 20 The outer diaphragm plates 103 are loose Tighten the plates See page 20 The pump exhausts air at stall The air valv...

Page 12: ...atible solvent Before storing the pump always flush the pump and relieve the pressure Tightening Threaded Connections Before each use check all hoses for wear or damage and replace as necessary Check...

Page 13: ...fer to the Valve Plate Detail in Fig 5 Remove the two screws 10 holding the valve plate 13 to the pump Use an o ring pick to remove the valve plate seal 12 and bearing 9 4 Apply grease 26 to the beari...

Page 14: ...1 3 2 21 01458 1 VALVE PLATE DETAIL GREASE APPLICATION 19 15 Torque oppositely and evenly to 8 to 14 in lb 0 9 to 1 6 N m Torque to 5 to 7 in lb 0 6 to 0 8 N m Apply grease 26 3 112 1 2 4 4 9 12 13 1...

Page 15: ...and shift saddle 14 See Fig 6 4 Disassemble the link assembly consisting of the actuator link 16 spacer 17 detent link 22 spring 3 stop 4 and valve cup 5 5 Remove the detent ball 8 and spring 6 The d...

Page 16: ...allet 20 1 1 1 1 2 H 5 Grease the detent link 22 and link spacer 17 Assemble the detent link link spacer and actuator link 16 as shown in Fig 8 The raised bumps on the links 22 and 16 must face up 6 S...

Page 17: ...n Fig 9 Hold the link assembly firmly in place and install the screw 15 Torque to 7 to 9 in lb 0 8 to 1 0 N m Install the o ring 19 on the cover 2 9 Reinstall the air valve as explained on page 13 Fig...

Page 18: ...pump leaving the four nuts 106 on the rods Remove the feet 107 and lower manifold 102 5 Remove the outer o ring 108 seat 201 ball 301 ball guide 202 and inner o ring 108 from each of the covers 101 6...

Page 19: ...01 202 201 202 106 106 1 3 4 2 Apply thread lubricant Do not over torque Flat side faces ball Beveled end up Torque to 50 to 60 in lb 5 6 to 6 8 N m See Torque Se quence page 26 5 301 108 108 301 108...

Page 20: ...he grounding strip 112 Loosen the clamps 111 and slip them over the housing 1 Pull the covers 101 off the pump then remove the clamps from the housing See the Detail in Fig 11 5 Using a 1 2 socket wre...

Page 21: ...CAUTION Do not over torque the outer diaphragm plates 103 Doing so will damage the hex heads 4 When installing the covers 101 slip the clamps 111 over the housing 1 before positioning the covers See t...

Page 22: ...se shaft Do not over torque Round side must face toward diaphragm Flat side faces ball Beveled end up Apply medium strength blue LoctiteR or equivalent Torque to 75 to 85 in lb 8 5 to 9 6 N m at 100 r...

Page 23: ...in 19 mm long see below and page 24 7 Digit Ref No Part No Description Qty 16 187724 LINK actuator sst 1 17 188175 SPACER link acetal 1 18 111750 WASHER plain sst 1 19 111624 O RING buna N 1 20 111625...

Page 24: ...parts list on page 23 Y Replacement Danger and Warning labels tags and cards are available at no cost Included in Diaphragm Shaft Kit 239014 which may be purchased separately Not supplied with Polypro...

Page 25: ...01 COVER fluid acetal with conductive sst fibers 2 102 239146 MANIFOLD acetal with conductive sst fibers BSPT 2 103 187711 PLATE fluid side acetal 2 104 188999 ROD tie 5 16 18 4 106 117233 NUT 5 16 18...

Page 26: ...ructed to torque fasteners 1 Left Right Fluid Covers Torque bolts to 50 60 in lb 5 6 6 8 NSm FRONT VIEW 1 2 2 Outlet Manifold Torque bolts to 50 60 in lb 5 6 6 8 NSm TOP VIEW 3 4 6 5 4 6 3 Inlet Manif...

Page 27: ...red per ISO standard 9614 2 Loctiter is a registered trademark of the Loctite Corporation Santoprener is a registered trademark of the Monsanto Company 0 20 40 60 80 100 120 0 1 2 3 4 5 6 7 8 TEST CON...

Page 28: ...171 2 mm 8 in 203 mm WALL VIEW 07316B 0 28 in 7 mm Diameter 4 3 50 in 89 mm 6 30 in 160 mm 7 24 in 184 mm FRONT VIEW 1 13 in 28 5 mm 1 06 in 27 mm 1 4 npt f Air Inlet 3 8 npt f Air Exhaust muffler inc...

Page 29: ...309668 29 Notes...

Page 30: ...to you 1 800 444 4351 Toll Free All written and visual data contained in this document reflects the latest product information available at the time of publication herkules reserves the right to make...

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