BW RigRat User’s Guide 
 
58 
 
  Replacing The Pump 
If the pump requires replacement, follow this procedure. The pump assembly part number is P/N: 
W03-3016-000. 
 
1.  Turn off the RigRat. 
2.  Remove the four screws that hold the sensor compartment cover. 
 
 
 
3.  Lift off the sensor compartment cover and turn it over. 
 
 
 
4.  Remove the four screws that hold the pump assembly. 
 
 
 
5.  Lift the pump assembly from the side farthest from the gas plate and slightly pull it away from 
the gas plate.