Attach the oil supply hose  and the oil return hose .
Note: If the hoses have threaded connections, do these steps to connect each fitting:
- Tighten the fitting with your hand.
- Put a wrench on the fitting on the pump.
- Put a second wrench on the fitting on the hose. Turn it clockwise 1/8 to 1/4 turn.
Connect the cable  for the pressure sensor to the spindle connector-panel that has the label "OIL PRESSURE."
Note: The illustration shows a CALM machine. For pre-CALM machines, the cable  for the pressure sensor has a different type of connector.
Connect the power cable  to the location on the spindle connector panel that has the label "OIL PUMP."
Install the spindle head covers.