BLACKMER SNP1.25 Installation, Operation And Maintenance Instructions Download Page 15 | Manualshive

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104-A00 Page 15/16

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Summary of Contents for SNP1.25

Page 1: ...r s website www blackmer com or by contacting Blackmer Customer Service SAFETY DATA This is a SAFETY ALERT SYMBOL When you see this symbol on the product or in the manual look for one of the following...

Page 2: ...ion without guards in place can cause serious personal injury major property damage or death PUMP DATA PUMP IDENTIFICATION A pump Identification tag containing the pump serial number I D number and mo...

Page 3: ...piping system review the following suggestions 1 Locate the pump as near as possible to the source of supply to avoid excessive inlet pipe friction 2 The inlet line must be at least as large as the i...

Page 4: ...ermine direction of flow where the pump will be installed 2 Confirm pump is installed in piping so that the flow will pass through the pump from inlet to outlet The inlet of the pump has INLET cast in...

Page 5: ...es are fully open and that the drain valves and other auxiliary valves are closed 5 Install vacuum and pressure gauges on the pump in the 1 4 NPT connections provided These can be used to check actual...

Page 6: ...lve closed Bleed air into the pump through the intake gauge plug hole or through a larger auxiliary fitting in the intake piping Pump air for 30 second intervals to clean out most of the pumpage A dra...

Page 7: ...r a high suction lift and cavitation or starving of the pump exists partial closing of the discharge valve will result in excessive noise in the relief valve Plumbing the relief valve so flow is direc...

Page 8: ...rocedures and warnings as presented in this manual SCHEDULED MAINTENANCE STRAINERS Strainers must be cleaned regularly to avoid pump starvation Schedule will depend upon the application and conditions...

Page 9: ...SEAL OR A COMMERCIAL MECHANICAL SEAL a Loosen all setscrews before removing the head assembly For further instructions on the disassembly and assembly of commercial mechanical seals refer to the sepa...

Page 10: ...he notched end UP Align the notch in the bearing with the groove in the head See figure 7a c Using an arbor press press the bearing into the head in one continuous motion until it is flush with or sli...

Page 11: ...disc or shaft c Turn the shaft by hand until an empty slot comes to the 12 o clock position insert a vane and move on to the next slot 6 Place the inboard disc 71 and seal ring 72 on the cylinder 12 s...

Page 12: ...ighten the locknuts 106A c Slide the bearing and lock collar 106B on the shaft until it is firmly seated in the bearing flange 106A d Push inward on the bearing and lock collar 106B while turning the...

Page 13: ...om mating properly causing the rotor and shaft to bind or turn hard Use a tissue paper alcohol to clean the seal faces NOTE Apply a light oil or suitable lubricant to bronze seal faces only Other poss...

Page 14: ...he suction line Damaged or worn pump parts Too much lift for the vapor pressure of the fluid A dirty or clogged strainer Worn vanes Suction Valve Closed Incorrect pump rotation Relief Valve partially...

Page 15: ...104 A00 Page 15 16 NOTES...

Page 16: ...ess Marine Magnetic Drive Pumps Stainless Steel 14 to 215 GPM Abaque Peristaltic Hose Pumps 0 1 to 210 GPM High Lift Solids Abrasives Reciprocating Gas Compressors Liquefied Gas Transfer Boosting Vapo...

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