MECHANICAL
01–10–6
• On the front and rear housings are the installation bosses for the stationary gears that regulate the rotational
movement of the rotors supporting the eccentric shaft.
• On the front housing are the bosses for installing the oil pump and the oil strainer.
• On the intermediate housing are the bosses for the primary injectors, which are placed near the combustion
chambers for semi-direct injection. There are also additional bosses for the oil level gauge and the oil filler pipe.
• On the rear housing are the bosses for installing the oil filter and the oil pressure regulator.
• The special cast iron side housings are processed with soft-nitriding for improved wear resistance of the rotor
friction surfaces. Wall thickness in each area of the side housings has been reduced for weight reduction.
• Each of the housings are sealed together with rubber seals at the inner and outer circumferences of the water
jacket surrounding the rotor friction surface.
EXHAUST PORT
INTAKE PORT
INTAKE PORT
EXHAUST PORT
INTAKE PORT
EXHAUST PORT
SECONDARY AIR
PORT
FRONT HOUSING
FRONT ROTOR
HOUSING
INTERMEDIATE
HOUSING
REAR ROTOR
HOUSING
REAR HOUSING
REAR HOUSING CROSS-SECTIONAL VIEW
INSERT
(HIGH POWER ONLY)
AUXILIARY PORT
AUXILIARY PORT (HIGH POWER ONLY)
PRIMARY INJECTOR
INSTALLATION BOSS
RUBBER SEAL
STATIONARY GEAR
INSTALLATION BOSS
STATIONARY GEAR
INSTALLATION BOSS
OIL FILLER PIPE
INSTALLATION BOSS
OIL LEVEL GAUGE
INSTALLATION BOSS
OIL FILTER
INSTALLATION
BOSS
PRESSURE REGULATOR
INSTALLATION BOSS
OIL PUMP
INSTALLATION
BOSS
OIL STRAINER
INSTALLATION
BOSS
TUBULAR DOWEL
CHJ0110S005
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