Pump and Fluid Systems
Chapter 5: Assembly/Disassembly
weatherford.com
50
MP-16 2-Piece 5000 psi January 2013
4.8.2
Lubrication Chart
Oil Quantity
Approximately 75 U.S. Gallons (700L)
Oil Type
Air Temperature (
°
F)
Air Temperature (
°
C)
Industrial EP Gear Oil
0° to 85°
10° to 80°
EP 320
30° to 110°
-1° to 43°
EP 460
above 110°
above 43°
Synthetic EP 460
Oil Cleanliness
ISO 4406 Code 16/64 (NAS 1638 Class 8)
Oil Change Period
The pump should have its first oil change after 400 hours of operation. Subsequent oil changes should
occur every six months or 2,000 running hours, whichever comes first.
Oil Change Procedure
1
Shut down and lock out the pump as per standard procedure. The drain plug should be removed
and the pump gear lube oil drained immediately after shutdown is complete.
2
Remove the pump gear inspection opening cover plate
3
Visually inspect the gearing status, and report any damage, defects or other potential problems.
4
Reinstall drain plug and ensure it is secure.
5
Refill the crankcase with the correct oil type (see above) through the cover plate opening.
NOTE
Oil may require pre-filtering to obtain an acceptable cleanliness level.
6
Replace the cover plate and gasket.