2008 Polaris Ranger RZR Service Manual, Page 162Get this manual
BODYSTEERINGSUSPENSION 4Use press and correct size driver to remove the ball joint from the A-armCorrect Driver Placement
Installation
1Place the A-arm in the correct position for ball joint installationFace the A-arm end flat on top of the driverCarefully drive the ball joint into place until the ball joint is properly seatedPress into the A-arm in this direction
The driver must fit the inside diameter of the A-arm end