SENSOR GP-POSITION 2661483 - Caterpillar

Remove Apron Cylinder
1. Start the engine and lift the bowl until tooling (A) can be installed under it as shown. Lower the bowl until the weight of it is on tooling (A). 2. Lift the apron and install safety pin assembly (2) and bolt (1). Lower the apron until it is against the safety pin assembly. Stop the engine. 3. Install lifting strap (3) around the rod end of the apron cylinder. Fasten tool (B) to the apron lift frame assembly and the lifting strap as shown. 4. Remove bolt (4) and pin assembly (5) from the rod end of the cylinder.
Do not cause damage to the rod in the cylinder when it is retracted into the cylinder.
5. Start the engine and move the rod into the cylinder. Stop the engine.
Before any hydraulic lines are disconnected from the quick drop check valve, release the pressure in the hydraulic system. Start the engine and move the ejector forward all the way. Lower the bowl all the way. Stop the engine and move all hydraulic control levers. Loosen the cap on the hydraulic tank slowly.
VIEW FROM UNDER DRAFT FRAME6. Disconnect hydraulic hoses (6) and (7) from the apron cylinder. 7. Remove four nuts (8) that hold the bracket assembly for the head end of the apron cylinder to the draft frame. 8. Lower apron cylinder (9) out the bottom of the draft frame. Weight of the apron cylinder is 460 lb. (207 kg). 9. Remove tube assembly (10) from the apron cylinder. 10. Remove two bolts (13). Remove pin (12) and bracket assembly (11) from the cylinder. 11. Remove the two bearings from the bracket assembly with tooling (C).Install Apron Cylinder
1. Install two bearings in bracket assembly (1) with tooling (A). Install the bearings until they are even with the outside surfaces of the bracket assembly. 2. Put the bracket assembly in position on the apron cylinder. Install pin (2), washer (4) and two bolts (3) that hold the pin. 3. Install tube assembly (5) on the apron cylinder. 4. Fasten tool (B) to apron cylinder (6) and put it in position in the draft frame.5. Pull the cylinder up until the bracket assembly makes contact with the draft frame. Make sure the holes in the bracket assembly are in alignment with the holes in the draft frame. 6. Install the four bolts and nuts (7) that hold the bracket assembly to the draft frame.
VIEW FROM UNDER DRAFT FRAME7. Connect hydraulic hoses (8) and (9) to the apron cylinder. 8. Tighten the cap on the hydraulic tank. Start the engine. Move the apron cylinder rod until the hole in the rod end is in alignment with the hole in the apron lift frame assembly. Install pin assembly (10) and the bolt that holds it. Remove tool (B).9. Lift the apron and remove the safety pin from the block in the bowl. Move the apron up and down to release the air in the apron cylinder.10. Lift the bowl and remove