Remove the snap ring (Item 1) [Figure 20-26-1] and washer from the clamp cylinder pin.
Remove the pin (Item 1) [Figure 20-26-2] from the rod end of the clamp cylinder.
Start the engine and retract the clamp cylinder (Item 1) [Figure 20-26-3].
Stop the engine.
Disconnect the hydraulic hose (Item 1) [Figure 20-26-4] from the base end of the cylinder.
Plug the hose (Item 1) [Figure 20-26-4].
Start the engine and retract the cylinder.
If there is any oil leakage from the base end fitting (Item 2) [Figure 20-26-4] on the cylinder, remove the cylinder for repair or replacement.