ENGINE MANUAL
IAE50R – AA
E1.01.05 – E
Issue date: 25.Jan.2018
Page: 7-2
Revision no: 9
7.1
Description of Components
7.1.1
Rear Assemblies
These assemblies comprise of a back plate, with integral mounting lugs, water pump,
alternator, speed sensors, rotor cooling air fan assembly, oil pump and starter motor.
7.1.2
Front Assemblies
The front assemblies comprise of a water cooled end plate, temperature transmitter.
7.1.3
Centre and Rotating Assembly
The centre assembly comprises a rotor housing with passageways for liquid cooling. Externally
is the throttle body with fuel injector, spark plugs, and exhaust flange and, internally, the
eccentric shaft and rotor assembly.
7.1.4
Rotor Sealing
Rotor sealing is provided by the tip seals, side seals and corner seals with each seal being
spring loaded outwards. The corner seals placed at the junction of the side and tip seals
provide sealing at these critical locations.
Fig. 6: Rotor sealing
