CONSTRUCTION
The camshaft is driven by a timing chain. The camshaft drives the vacuum pump and supply pump in order to reduce the number of parts and realize a lightweight and compact design.
The intake and exhaust valves are opened and closed via the rocker arms.
The rocker arm consists of the rocker arm and roller.
| *1 | Camshaft | *2 | Supply Pump (Injection or Supply Pump Assembly) |
| *3 | Rocker Arm (No. 1 Valve Rocker Arm Sub-assembly) | *4 | Exhaust Valve |
| *5 | Intake Valve | *6 | Chain Vibration Damper (No. 1 Chain Vibration Damper) |
| *7 | Timing Chain (Chain Sub-assembly) | *8 | Chain Tensioner (No. 1 Chain Tensioner Assembly) |
| *9 | Chain Tensioner Slipper | *10 | Vacuum Pump (Vacuum Pump Assembly) |