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BLACKMER POWER PUMPS 

960255

 

INSTRUCTIONS NO. 104-A00 

INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS

 

Section 

Effective 

Replaces 

104 
May 2010 
Oct 2007 

MODELS: SNP1.25, SNP1.5, SNP2, SNP2.5, SNP3A 

SNPJ1.25 *, SNPJ1.5 *, SNPJ2 *, SNPJ2.5 * 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

TABLE OF CONTENTS 

Page

 

PUMP DATA

 

 Technical Data ...................................................... 2 
 

Initial Pump Start Up Information........................... 2 

INSTALLATION

 

 Pre-Installation Cleaning ....................................... 3 
 Location 

and 

Piping............................................... 3 

 Pump 

Mounting ..................................................... 4 

 Coupling 

Alignment ............................................... 4 

 Pump 

Rotation....................................................... 4 

 

To Change Pump Rotation .................................... 4 

 Check 

Valves ........................................................ 4 

 Jacketed 

Heads..................................................... 4 

OPERATION

 

 Pre-Start 

Up 

Check List......................................... 5 

 Start 

Up 

Procedures.............................................. 5 

 

Running the Pump in Reverse Rotation ................ 6 

 Flushing 

the Pump ................................................ 6 

 Pump 

Relief Valve................................................. 7 

 

Relief Valve Setting and Adjustment ..................... 7 

MAINTENANCE 

Strainers................................................................... 8 
Lubrication................................................................ 8 
Vane Replacement................................................... 8 
Pump Disassembly .................................................. 9 
Parts Replacement................................................... 9 
Pump Assembly ..................................................... 11 

TROUBLE SHOOTING

................................................. 13 

Effective Jan 2006, jackets are considered an option and 

no longer change the model number.

 

NOTE

: Numbers in parentheses following individual parts 

indicate reference numbers on Blackmer Parts List No.  
104-A01, 104-A02, 104-A03 and 104-A04. 

Blackmer pump manuals and parts lists may be obtained 
from Blackmer'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 signal words and be alert to the 

potential for personal injury, death or major property damage 

 

Warns of hazards that WILL cause serious personal injury, 

death or major property damage. 

 

Warns of hazards that CAN cause serious personal injury, 

death or major property damage. 

 

Warns of hazards that CAN cause personal injury 

or property damage. 

NOTICE: 

Indicates special instructions which are very 

important and must be followed. 

 

NOTICE: 

 

Blackmer Pumps

 MUST

 only be installed in systems, which 

have been designed by qualified engineering personnel.  
The system 

MUST

 conform to all applicable local and 

national regulations and safety standards. 
 
This manual is intended to assist in the installation and 
operation of the Blackmer SNP / SNPJ Series pumps, and 

MUST

 be kept with the pump. 

 
Pump service shall be performed by qualified technicians 

ONLY

.  Service shall conform to all applicable local and 

national regulations and safety standards. 
 
Thoroughly review this manual, all instructions and hazard 
warnings, 

BEFORE

 performing any work on the pump. 

 
Maintain 

ALL

 system and pump operation and hazard 

warning decals. 

 

 

 
 

Содержание SNP1.25

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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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