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Wanner Engineering Hydra-Cell G-25, Installation Service

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Wanner Engineering Hydra-Cell G-25 Installation Service Download Page 19

19

G5-991-400B

Valve Wear

•. Normal.wear.from.high-speed.operation
•. Cavitation
•. Abrasives.in.the.fluid
•. Valve.incompatible.with.corrosives.in.the.fluid
•. Pump.running.too.fast

Loss of Oil

•. External.seepage
•. Rupture.of.diaphragm
•. Frozen.pump
•. Diaphragm.screw.O-ring.(18).missing.or.cracked
•. Worn.shaft.seal
•. Oil.drain.piping.or.fill.cap.loose.
•. Valve.plate.and.manifold.bolts.loose

Premature Failure of Valve 

Spring or Retainer

•. Cavitation
•. Foreign.object.in.the.pump
•. Pump.running.too.fast
•. Spring/retainer. material. incompatible. with. fluid. being.

pumped

•. Excessive.inlet.pressure.

G/H-25 Troubleshooting

Summary of Contents for Hydra-Cell G-25

Page 1: ...0452 WANNER ENGINEERING INC 1204 Chestnut Avenue Minneapolis MN 55403 TEL 612 332 5681 FAX 612 332 6937 TOLL FREE FAX US only 800 332 6812 www hydra cell com email sales wannereng com Installation Ser...

Page 2: ...bar Max Temperature Metallic 250 F 121 C consult factory for temperatures above 160 F 71 C Non Metallic Polypropylene 120 F 49 C Kynar 140 F 60 C Inlet Port H 25 1 1 2 inch NPT G 25 1 1 2 inch BSPT Di...

Page 3: ...G 25 X H G 25 S H G 25 I Gallons Per Minute Liters Per Minute 16 0 20 0 24 0 32 0 36 0 40 0 28 0 44 0 48 0 52 0 56 0 60 0 64 0 68 0 72 0 76 0 80 0 84 0 88 0 4 0 8 0 12 0 0 24 0 0 22 0 20 0 18 0 16 0 1...

Page 4: ...57 10 0 254 5 63 143 1 125 28 55 9 44 240 Oil Drain Outlet H 25 1 NPT G 25 1 BSPT Inlet H 25 1 1 2 NPT G 25 1 1 2 BSPT 3 8 18 NPT Drain Port Oil Fill Cap 0 25 6 4 Keyway 2 25 57 x W0450 8 71 221 17 8...

Page 5: ...nditions where pump oil may exceed 200 F 93 C because of a combination of hot ambient temperatures hot fluid temperature and full horsepower load an oil cooler may be required Location NOTE The number...

Page 6: ...re feed system Install draincocks at any low points of the suction line to permit draining in freezing conditions Provide for permanent or temporary installation of a vacuum gauge to monitor the inlet...

Page 7: ...a 1500 psi W P rated hose for systems to be operated at 1000 psi gauge pressure Use about 6 ft 1 8 m of flexible hose between the pump and rigid piping to absorb vibration expansion or contraction Sup...

Page 8: ...id may come out of this port when the plug is removed Provide an adequate catch basin for fluid spillage if required Fluid will come out of this port when the pump is started so we recommend that you...

Page 9: ...Do not turn the drive shaft while the oil reservoir is empty Check the inlet pressure or vacuum periodically with a gauge If vacuum at the pump inlet exceeds 7 in Hg 180 mm Hg check the inlet piping s...

Page 10: ...10 G25 991 2400B G H 25 Service Fluid End Models with Non Metallic Pump Head W0195B 5 6 1 2 4 43 9 10 8 38 11 12 13 14 15 16 39 18 19 20 21 23 22 37 36 34 33 24 35 26 6 25 30 42 28 27 32 41 40 29 7...

Page 11: ...use 3 With cast iron pump heads use 17 and not 10 with all other heads use 10 and not 17 5 6 1 2 4 7 9 10 17 8 3 38 11 12 13 14 15 16 39 18 19 20 21 23 22 37 36 34 33 24 35 26 6 25 30 42 28 27 32 41...

Page 12: ...18 for warping as in step d for manifold If warped replace NOTE Plastic valve plates and manifolds should also be inspected for cracks and replaced as necessary 2 Inspect Valve Assemblies parts 11 16...

Page 13: ...strength threadlocker to screw Reinstall screw follower 21 and new O ring 20 Tighten to 18 in lbs 2 0 N m i Repeat steps a thru h for other two diaphragms 22 Replace diaphragms if indicated 4 Flush C...

Page 14: ...op of fill port f Replace oil cap 28 and complete installation Method 2 with system head pressure greater than 2 psi NOTE This simple and clean method of priming the Hydra cells requires an inlet head...

Page 15: ...15 G25 991 2400B G H 25 Service Hydraulic End W0197B 60 59 66 Kel Cell Models 61 62 A 63 62 B 65 62 64 25 50 51 56 52 53 54 52 55 56 57 58 Quantity per piston 4...

Page 16: ...d any other parts that are worn or damaged c Repeat step b for remaining two pistons NOTE Use new plungers 23 to reassemble hydraulic piston They are press fit onto the valve plungers 54 and are not r...

Page 17: ...t g Apply removable threadlocker to threads of three set screws 24 and screw into cylinder housing until they contact bearing adjusting plate h Remove centerbolt 7 Install Plungers 23 NOTE Install new...

Page 18: ...o o v e s f r o m overpressurization Air leak in suction line strainer or gasket Cracked suction hose Empty supply tank Excessive aeration and turbulence in supply tank Worn and slipping drive belt s...

Page 19: ...seepage Rupture of diaphragm Frozen pump Diaphragm screw O ring 18 missing or cracked Worn shaft seal Oil drain piping or fill cap loose Valve plate and manifold bolts loose Premature Failure of Valv...

Page 20: ...Wanner Engineering Inc 1204 Chestnut Avenue Minneapolis Minnesota 55403 This warranty does not cover 1 The electric motors if any which are covered by the separate warranties of the manufacturers of...

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