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BLACKMER 

MECHANICAL SEAL INSTALLATION 

DUAL SEAL – PLAN 52 AND PLAN 53

960655 
Page 

1

 of 

6

 

FORM 

605 

CARTRIDGE MECHANICAL SEAL INSTRUCTIONS 

 

MODELS: SGLD(W)3, SGLD(W)4 

Effective

MAR   2019 

Replaces

SEPT 2018 

 

 

1809 Century Avenue, Grand Rapids, Michigan  49503-1530, U.S.A. 

 

 

Telephone: (616) 241-1611 / Fax: (616) 241-3752 

Form 605 

 

E-Mail: [email protected] / Internet: www.blackmer.com 

Page 1 of 6  

 

 

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. 
 
These instructions are intended to assist in the 
installation of Blackmer cartridge mechanical seals, 
and 

MUST

 be kept with the pump. 

 
Blackmer pump service shall be performed by 
qualified technicians 

ONLY

.  Service shall conform to 

all applicable local and national regulations and 
safety standards. 
 
Thoroughly review the pump manual, all instructions 
and hazard warnings, 

BEFORE

 performing any work 

on the Blackmer pump. 
 
Maintain 

ALL

 system and Blackmer pump operation 

and hazard warning decals. 

 

 

DISCONNECTING FLUID OR PRESSURE 
CONTAINMENT COMPONENTS DURING 
PUMP OPERATION CAN CAUSE 
SERIOUS PERSONAL INJURY, DEATH 
OR MAJOR PROPERTY DAMAGE 

Hazardous pressure 
can cause personal 
injury or property 
damage 

 

 

FAILURE TO DISCONNECT AND 
LOCKOUT ELECTRICAL POWER 
BEFORE ATTEMPTING MAINTENANCE 
CAN CAUSE SHOCK, BURNS OR 
DEATH 

Hazardous voltage. 
Can shock, burn or 
cause death. 

 

 

FAILURE TO DISCONNECT AND 
LOCKOUT ELECTRICAL POWER OR 
ENGINE DRIVE BEFORE ATTEMPTING 
MAINTENANCE CAN CAUSE SEVERE 
PERSONAL INJURY OR DEATH 

Hazardous 
machinery can 
cause serious 
personal injury.

 

 

FAILURE TO RELIEVE SYSTEM 
PRESSURE PRIOR TO PERFORMING 
PUMP SERVICE OR MAINTENANCE 
CAN CAUSE 

SERIOUS

 PERSONAL 

INJURY OR PROPERTY DAMAGE. 

Hazardous pressure 
can cause serious 
personal injury or 
property damage 

 

 

FAILURE TO SET THE VEHICLE 
EMERGENCY BRAKE AND CHOCK 
WHEELS BEFORE PERFORMING 
SERVICE CAN CAUSE SEVERE 
PERSONAL INJURY OR PROPERTY 
DAMAGE. 

 

Hazardous pressure 
can cause personal 
injury or property 
damage 

 

 

IF PUMPING HAZARDOUS OR TOXIC 
FLUIDS, SYSTEM MUST BE FLUSHED, 
PRIOR TO PERFORMING SERVICE OR 
MAINTENANCE 

Hazardous or toxic 
fluids can cause 
serious injury. 

Summary of Contents for SGLD3

Page 1: ...p service shall be performed by qualified technicians ONLY Service shall conform to all applicable local and national regulations and safety standards Thoroughly review the pump manual all instructions and hazard warnings BEFORE performing any work on the Blackmer pump Maintain ALL system and Blackmer pump operation and hazard warning decals DISCONNECTING FLUID OR PRESSURE CONTAINMENT COMPONENTS D...

Page 2: ...APPROPRIATE PUMP INSTALLATION OPERATION AND MAINTENANCE MANUAL PLAN 52 53 CARTRIDGE MECHANICAL SEAL REMOVAL PROCEDURE 1 Drain all seal oil by removing the bottom drain plug Warning The oil may contain pumping fluid and or vapor Take proper precautions 2 Remove cartridge capscrews 22 from head ring 20 3 Thread 2 capscrews into opposite blind threaded holes as shown in Figure 1 Attempt to gently rem...

Page 3: ...53R See Figure 5 4 Align 3 tang features of carbons 153J and 153B with 3 tang features of cartridge 153R Gently press carbon into cartridge assembly taking care to not damage raised sealing face See Figure 5 Figure 5 Carbon Assembly Plan 53 5 Clean carbon 153B and 153J raised faces and rotating seal sub assembly face 153A Use a lint free rag and a suitable solvent such as methanol 6 Insert rotatin...

Page 4: ...ase ID o ring of rotating seal Install rotating face 153A onto rotor shaft 13 making sure to align hole near OD with seal alignment pin Take care to not damage rotating seal face ID o ring on rotor shaft threads See Figure 8 Figure 8 Rotating Seal Face Installation Plan 52 7 Install sealing capscrews 153K into rotating seal face and torque to 20 25 in lbf 8 Clean carbon 153B and 153J raised faces ...

Page 5: ... D3 SGL W D4 Ref No Description Parts per Seal Part No 153A Rotating Seal Sub Assembly1 1 332282 153B Carbon Outer1 1 332087 153C O ring FKM1 1 702357 153D Backer Ring Outer 1 332089 153F Spring1 21 332199 153G Backer Ring Inner 1 332088 153H O ring FKM1 1 711929 153J Carbon Inner1 1 332086 153P O ring FKM1 1 702059 153Q Plug 3 908192 153R Cartridge Seal Insert 1 332081 153T Snap Ring1 1 903590 1 ...

Page 6: ...D4 Ref No Description Parts per Seal Part No 153A Rotating Seal1 1 332093 153B Carbon Outer1 1 332187 153C O ring FKM1 1 701991 153D Backer Ring Outer 1 332085 153E O ring FKM1 1 701962 153F Spring1 27 332199 153G Backer Ring Inner 1 332088 153H O ring FKM1 1 711929 153J Carbon Inner1 1 332086 153K Sealing Capscrew1 6 920140 153P O ring FKM1 1 702059 153Q Plug 3 908192 153R Cartridge Seal Insert 1...

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