ENGINE
F. CAMSHAFT
The camshaft (3) is made of forged steel and its
journal and cams are hardened to increase wear
resistance. The cams on the camshaft open and
close the inlet and exhaust valves with the push
rods and rocker arms. The journals and their
bearings are force-lubricated.
(1) Cam Gear
(2) Camshaft stopper
(3) Camshaft
G. FUEL CAMSHAFT
This fuel camshaft is made of forged steel and its
cams are hardened and tempered to increase wear
resistance. The cams on the fuel camshaft (1) drive
the injection pump and the fuel transfer pump. The
governor balls are installed on the fuel camshaft to
control the engine speed.
(1) Fuel camshaft
(2) Injection pump gear
H. ROCKER ARM ASSEMBLY
The rocker arm assembly includes the rocker arms (1)
and an adjusting screw (3), which is at the end of
rocker arm and rests on the push rod, rocker arm
brackets (4) and rocker arm shaft (5). The rocker
arms are activated by the reciprocating motion of
the push rods and open or close the inlet and
exhaust valves. The rocker arm and other parts are
lubricated through the drilled holes of the brackets
and the rocker arm shaft.
(1) Rocker Arm
(2) Lock Nut
(3) Adjusting Screw
(4) Rocker Arm bracket
(5) Rocker Arm Shaft
