MTS Model 512-14 Hydraulic Power Unit - Manual (Page 39)

Lubricating the Motor
512.14 Hydraulic Power Unit Maintenance 39
Lubricating the Motor
The pump’s motor bearing needs lubrication every six months.
1. Turn off the HPU.
2. Wipe off both grease fittings.
3. Using a grease gun, apply grease to each fitting. MTS recommends Shell
Dolium R. Chevron SRI No. 2, or Texaco Premium RB grease.
Do not overgrease the motor.
Too much grease could short out the motor.
Grease Fittings
CAUTION