Tilt the Bob-Tach forward, so it is parallel to the floor. Put blocks (Item 1) approximately 3 inches thick under each
side of the Bob-Tach. Lower the Bob-Tach onto the blocks [Figure 50-40-1].
Remove the retainer bolt (Item 1) [Figure 50-40-2] from the pivot pin.
Installation: Tighten the retainer bolt to 18-20 ft.-lbs. (24-27 Nm) torque.
Remove the rod end pivot pin (Item 1) [Figure 50-40-3].
Remove the tilt cylinder rod end.
NOTE: Removal procedure is shown for the right side. Left side procedure is the same.
Remove the grease fitting (Item 1) [Figure 50-40-4] from the Bob-Tach frame for the pivot pin (both sides).
NOTE: The grease fitting (Item 1) [Figure 50-40-4] must be removed to prevent the pivot pin from being locked in the Bob-Tach frame.
Loosen the bolt (Item 2) [Figure 50-40-4] at the Bob-Tach pivot pin.
Strike the head of the bolt (Item 2) [Figure 50-40-4] to push the pivot pin into the Bob-Tach frame.
Remove the bolt (Item 2) [Figure 50-40-4].
Installation: Tighten the bolt to 175-190 ft.-lbs. (240-255 Nm) torque.
Use a punch to push the pivot pin all the way into the Bob-Tach frame.
Installation: A longer bolt is necessary to install through lift arms into the pivot pin, to pull the pivot pin into the lift
arms.
NOTE: Use tapered ream MEL1233 to clean the tapered hole in the lift arms. The tapered hole must be clean and free of debris to provide a good contact surface for the pivot pin.
Slowly back the loader away to remove the Bob-Tach frame [Figure 50-40-5].
Remove the seal dust cup (Item 1) [Figure 50-40-5].
Remove the rubber seal (Item 1) [Figure 50-40-6].
Install the Bob-Tach mounting bolt (Item 1) into the pivot pin (Item 2) [Figure 50-40-7]. Remove the pivot pin from
the Bob-Tach frame.
Check for wear and damage. Replace the pivot pins as needed.
Installation: Push the pivot pin (Item 2) into the Bob-Tach frame. Position the end of the pin flush with the end
of the Bob-Tach bushing (Item 3) [Figure 50-40-7].
Installation: Reverse the removal procedure to install the Bob-Tach.
