Remove the attachment. Tilt the Bob-Tach fully forward until it rests on the floor. Stop the engine. Raise the seat bar.
Disconnect the hose (Item 1) [Figure 20-21-1] from the base end of the tilt cylinder.
Install a plug in the hose and tighten the plug.
Lower the seat bar, engage the parking brake and start the engine.
Push the bottom (heel) if the tilt pedal until system relief pressure is reached.
There should be no leaks from the base end of the port.
If there is leakage from the open port of the tilt cylinder, remove the cylinder for repairs.