Document P/N:
2P121260
Release Date: 02/27/2017
Revision: E
17 of 41
When using a SPM
®
air operated plunger lube system, the audible sound of the air operated lubricant pump
stroking once every one to two seconds will be an indicator of satisfactory plunger and packing lubrication.
For all styles of packing, the plunger lube is absolutely critical for good packing and plunger life. Failure to
provide adequate or appropriate lube will cause the packing to fail and cause damage to mating components.
NOTE: LUBRICANTS THAT FAIL TO MEET THE PACKING LUBRICATION SPECIFICATIONS, AND
ESPECIALLY “USED CRANKCASE OILS”, ARE UNACCEPTABLE.
Recommended Plunger Grease Lube System:
If the end-user is going to modify the lubrication system to use grease, at their discretion, the plunger packing
wiper ring MUST be flipped in the packing nut to allow a path for the excess grease to escape the packing bore
chamber. Weir Oil & Gas recommends the use of a double or triple “ought” grease, 00 or 000.
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