What is the rocker cover on a series 60 engine?
Note: Effective May 1999, all Series 60 engines are built with a reusable rocker cover gasket. This gasket does not need to be replaced at the time of removal provided there is not any damage observed. 1. Gasket 5. Cover Plug 2. Rocker Cover 6. Bolt 3. Isolator 7. Element 4. Washer 8. Clip Figure 1.
How does the rocker cover work on a Detroit Diesel?
The top piece or cap is held in place by eight bolts and is removable for access to the valve, engine brake and fuel injector adjusting mechanisms. A one-piece diamond shaped perimeter seal is located in a groove in the rocker cover base and seals the cap to the base.
How are rocker covers attached to cylinder heads?
The rocker cover base is attached to the cylinder head using ten assemblies consisting of a bolt, limiter sleeve, isolator and flat washer. All rocker covers use a silicone rim seal, seated in a groove around the bottom edge of the rocker cover base to provide an effective oil seal.
What is the one piece rocker cover made out of?
The one-piece rocker cover is molded of a sound-dampening, fiberglass-reinforced, synthetic material. It is internally ribbed to distribute the hold-down bolt clamp load for effective, full perimeter sealing. See Figure “One-piece Rocker Cover – Series 60 Diesel Engine” .
How to install a rocker box cover on a Harley Davidson?
You will need a little blue Loctite on the cover bolts to help keep them in place. Make sure the gasket stays in place, run the bolts down snug and then torque to spec. Be careful not to damage the chrome surfaces. Mike walks through the same process for the rear Harley rocker box cover. He goes through the torque sequence using the dog bone.
How to replace the lower rocker box on a Dyna Glide?
Place a new gasket on-top of the lower rocker box and install the new cover. Use the sequence mentioned in Step 2 to install the cover bolts. Tighten the rocker box cover to 15-18 ft-lbs. Install the spark plug. Install the retainer screws for each push rod. Figure 9. Rocker boxes assembled and installed. Chrome Rocker Box Install. w/ Pics.
What’s the difference between a rocker and rocker cover?
Rocker boxes house the rocker arms, which are responsible for opening and closing the valves located at the top of the engine. Each box is separated into two sections. The top section, commonly referred to as your rocker cover, is very easy to remove and service. While the bottom section is the actual box that houses the arms themselves.