Pentair MYERS APLEX Series Installation And Service Manual
Triplex pump
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- Installation and service manual (60 pages) ,
- Installation and service manual (57 pages) ,
- Installation and service manual (36 pages)
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Summary of Contents for Pentair MYERS APLEX Series
- 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 # AP-03-107 | © 2018 Pentair plc | 02/21/18...
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Page 2: Engineering Data
SC-35 ENGINEERING DATA SC-35 ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-35 Piston Type HNBR & High Strength Synthetic Maximum Input HP at Speed 50 at 625 rpm Fabric Rated Continuous Plunger Load 4,800 lbs. Cylinder Liner, Field-Removable and Replaceable: Ceramic Coated Stroke 2"... - Page 3 INSTRUCTIONS Nozzle capacity should not exceed 90% of pump capacity for satisfactory regulator operation. Avoid Positive displacement pumps must have a proper freezing by draining all water from the pump and size and operable type of pressure regulating valve system in cold weather. There is a 3/8 NPT drain plug or pressure relief valve piped into the discharge line.
- Page 4 INSTALLING CUP the other two tapped holes. Gradually screw them in to push the oil seal housing off the retainer. After Assemble the cup onto hub and lubricate the outside assembling new seals in the oil seal housing, an of the assembly. When installing each cup assembly, assembly thimble should be used on the end of the rotate the crankshaft until the piston rod is at the crosshead rod for sliding the oil seal housing back into...
- Page 5 When reinstalling the links on the crankshaft be sure to place the oil holes upward for proper lubrication. RECOMMENDED TORQUE (foot-pounds) Fastener Location Link Bearing Caps - 25 Crankshaft End Caps - 20 Cap Screw Holding Piston - 20 Packing Assembly to Piston Rod - 50 Valve and Cylinder Cover Plate - 100 Cap Screw (Fluid End to Crankcase) - 1/2"-50 and 5/8"-80 CROSSHEAD AND PISTON RODS...
- Page 6 THE PUMP MUST BE INSTALLED WITH A PRESSURE RELIEF VALVE IN DISCHARGE LINE TROUBLESHOOTING Pump fails to build pressure with discharge closed Failure to hold pressure with discharge open Pump is noisy Pump gets hot Pressure gauge shows abnormal fluctuation Regulator chatter POSSIBLE CAUSE OF PROBLEM 1.
- Page 7 5. If the pressure regulator internal bypass valve is time to heat the oil and other working parts, will not worn, it will allow too much of the pump capacity to normally accumulate water by condensation. Replace be bypassed and recirculated back to the tank. By the plunger cups as soon as they start to leak.
- Page 8 18. Noisy pump operation can be caused by a loose plunger rod in the crosshead. This noise usually has a regular cadence timed with each stroke of the plunger. When this occurs, always replace both the rod and the crosshead. 19.
- Page 9 MODEL SC-35 56 53 SECTION A-A SECTION B-B...
- Page 10 MODEL SC-35 Item Description Qty. Eng. No. Item Description Qty. Eng. No. CASE, CRANK 06076D000 WASHER, LOCK 5/8" 05454A011 GASKET, LID 06089B000 BEARING PAIR 06109A010K 06077C001 SPLINE ADAPTER (COUPLING) 7206-0440-00A SCREW, CAP HEX ST PL 3/8" NC X 7/8" 19101A008 SPACER, HARDENED 7206-0363-00A PLUG, PIPE 1/2”...
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- 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;...