7Grasp the cam journal on the left side of the plotter with your left hand.

8Reach around to the front of the plotter and push the top of the bar cam slightly towards the rear of the plotter, simultaneously pulling the cam journal to the left, so that the bar cam can begin to slide out of the left sideplate.

Left sideplate

Bar cam

Cam journal

￿￿￿￿￿￿m￿￿￿n￿: Pos￿t￿on the bar cam ￿￿tw￿￿n the left and r￿ght s￿deplates, or the l￿ft mechan￿sm w￿ll not work.

9While pressing the right&most pinch&arm assembly towards the rear of the plotter against its spring tension, slide the bar cam left until it clears that pinch&arm assembly.

10Remove the pinch&arm assembly and spring from the chassis. Take care that the spr￿ng does not fall.

Bushing

Spring

Pinch￿arm assembly

Pinch arm

11Repeat the previous two steps until all of the pinch&arm assemblies have been removed or until you have removed the pinch&arm assembly that is to be replaced.

6&74 Removal￿and￿Replacement

C3187&90000