VALVE GP-SOLENOID 9G9988 - Caterpillar

1. Fasten nylon straps and a hoist to flight (1). Remove the four nuts, bolts and washers that fasten the flights to each of two link assemblies. Remove flight (1) from the scraper bowl. Weight of each flight is 68 kg (150 lb.). 2. Install tooling (A) on the elevator chains. Tighten tooling (A) until the chain link moves freely.3. Remove two pins (3), plate (2) and link connector. 4. If it is difficult to remove plate (2) and link connector (4), install tooling (B) as shown. Remove plate (2). 5. Install tool (A) and remove link connector (4).6. Install a nylon strap and tool (C) on the flight assembly. Remove tool (A) and lower the chain assembly to the floor.7. Remove four bolts that fasten the rollers to the elevator frame. Weight of the rollers is 68 kg (150 lb.).Install Elevator Chain Bottom Rollers
1. Install the bottom rollers in position on the elevator frame. Put 5P3931 Anti-Seize Compound lubricant on bolts and tighten to a torque of 685-750 N m (505-553 lb.ft.). Remove strap and hoist. The force to turn the roller must be no more than 54 N (12 lb.).2. Use a nylon strap and tool (A) to put chain assembly in position. 3. Install tool (B) to pull chain (1) in position to install link connector (2), plate (3) and pins. Remove tool (B). 4. Install flights (4) on chain assembly and tighten bolts to a torque of 270 25 N m (199 18 lb.ft.).Disassemble Elevator Chain Bottom Rollers
START BY:a) remove elevator chain bottom rollers 1. Remove plugs (1) and (2) to release pressure from the roller assembly. 2. Remove cap (4) and washer (3) from the roller. Remove the Duo-Cone seal (5) from the cap. 3. Remove the Duo-Cone seal (6) and shaft (7) from the roller. 4. Install tooling (A) and remove bearing from roller. 5. Remove retaining rings (8) from roller with tool (B). 6. Remove bearing with the 1P520 Driver Group and a press or tooling (A).Assemble Elevator Chain Bottom Rollers
1. Install retaining rings (1) in roller (2) with tool (A). 2. Install two bearings (3) in roller with tooling (B). 3. Install shaft (4) in roller. 4. Be sure the rubber O-rings of the Duo-Cone seal groups and the parts that are in contact with it are clean and dry. Put a thin layer of oil on the contact surfaces of the metal seal before assembly.5. Install the Duo-Cone seal groups (5) in roller with tool (C). 6. Install the Duo-Cone seal groups (6) in the cap with tool (C). 7. Install washer (8) and cap (7) on each side of the roller. The groove in the washer must face the roller. 8. Put a small amount of 5P3413 Pipe Sealant on each of the plugs. Fill the roller to the correct oil level and install plug (9). It should not take more than 54 N (12 lb.) to turn idler after assembly.END BY:a) install elevator chain bottom rollers