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Summary of Contents for Pentair MYERS C40-20
- Page 1 INSTALLATION AND SERVICE MANUAL NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible party who maintains the system. Part # 23833A632 | © 2012 Pentair Pump Group, Ltd. | 11/12/12...
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Page 2: Fluid End
FLUID END BODY CYLINDERS SUCTION, Rugged cast gray iron Tapered stainless steel liners DISCHARGE crankcase serves as oil with ceramic oxide coating. OPENINGS reservoir. Removable cover Threaded for easy section for easy service. connections. PISTON ASSEMBLY Solid stainless steel stud, pressure ring, spring, retainer and cap screw. -
Page 3: Suggested Maintenance Schedule
INSTRUCTIONS 5. Fill tank at least half full or connect suction to water supply. Open valve (if present) in suction line. CAUTION: Positive displacement pumps must Avoid prolonged dry operation which may cause have a proper size and operable type of pressure excessive wear on piston packing. -
Page 4: Installation
LUBRICATION INSTALLATION Pump – Fill crankcase with SAE 30 crankcase oil Reasonable care and judgment should be used when (2 quarts). Maintain oil level between the high and the installing the new tapered cylinder liner. Clean out any low level marks on bayonet oil gauge inserted through accumulation of loose rust or corrosion in tapered crankcase cover. -
Page 5: Recommended Torque
SERVICING CRANKCASE PARTS SERVICING CONNECTING LINKS To remove the crankshaft you do not need to remove When the connecting link bearings are worn but the the cylinder body from the crankcase. Remove the crankshaft is in good condition, standard replacement connecting link caps from the connecting links and bearing inserts can be installed in the connecting push the free links toward the cylinder end as far as... -
Page 6: Troubleshooting
RECONDITIONING CRANKSHAFTS When assembling oil seals on the crankshaft an oil seal expander thimble should be used at the end of When only a very small amount of damage has the shaft as shown in Figure 6. A thimble of this type occurred on the crank pins, such as small surface will cause the lip of the oil seal to gradually expand grooves cut part way around the bearing surface, the... - Page 7 EXPLANATION OF THE SERVICE CHART joints of the suction line piping, at the gate valve in the suction line, at the gasket sealing the cap on A. Pump priming is usually not necessary when the the sediment chamber or by a crack in the suction pump is installed correctly.
- Page 8 H. Suction surge arresters should be installed on N. In some cases there is a tendency for the pressure the suction line of reciprocating pumps. A rubber regulator valves to chatter or vibrate excessively. bag type of suction surge arrester is preferred This is an indication of unstable operation due to but a suitable vacuum chamber can be made by nozzling in the high or low capacity range of the...
- Page 9 MODEL C40-20 PARTS LIST Reference Part Number Description Qty. Reference Part Number Description Qty. 14946A003 WASHER, SEAL 24959A002 HOUSING, OIL SEAL 19101A013 SCREW, CAP, 3/8-16 06106A034 SCREW, CAP, SOCKET HEAD 05876A240 O-RING, 4-3/8 O.D. 05454A011 WASHER, LOCK, 1/4" 05818A077 KEY, SQUARE, 5/16 x 5/16 19109A041 NUT, HEX, 5/8-11 06074D016...
- Page 10 MODEL C40-20 23833A632 11/12/12...
- Page 11 THIS PAGE INTENTIONALLY LEFT BLANK...
- Page 12 (f) if unit is used for purposes other than for what it is designed and manufactured; (g) to any unit that has been repaired or altered by anyone other than Pentair Myers or an authorized Pentair Myers service provider;...
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