Subaru Robin EX30 - Manual (Page 36)

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(13) Pass the pin (rocker arm) through the rocker arm
and mount them on the cylinder head.
NOTE1: Conduct this job at the compression top
dead center.
(The position of two punch marks on cam
sprocket is in parallel with the cylinder
head surface at a time.)
NOTE2: Make sure that the piston is at the
compression top dead center by checking
mutual position between the fl ywheel and
the ignition coil.
ROCKER ARM
(INTAKE VALVE SIDE)
ROCKER ARM
(EXHAUST VALVE SIDE)
PIN
(ROCKER ARM)
The position of compression
top dead center
Punch
marks
The position of
top dead center
(14) VALVE CLEARANCE ADJUSTMENT
Temporarily fi t the fl ywheel.
Rotate the crankshaft up to the compression
top dead center and insert the thickness gauge
between the valve and the adjusting screw of
rocker arm to measure the clearance.
[Adjustment method]
Loosen the nut on the adjustment screw and turn
the screw to adjust the valve clearance. When the
valve clearance is correct, tighten the nut.
Valve clearance (when the engine is cold)
Intake valve side
0.12 +0.03
0
mm
(0.0047 +0.0012
0
in.) Exhaust valve side
Tightening torque
5.0 - 7.0 N ● m
(50 - 70 kgf
●
cm)
(3.6 - 5.1 ft
●
lb.)
NOTE: After adjusting the valve clearances, rotate
the crankshaft and check again that the
intake and exhaust valve clearance are
correct.
ROCKER ARM
(INTAKE VALVE SIDE)
THICKNESS GAUGE
ROCKER ARM
(EXHAUST
VALVE SIDE)
ADJUSTMENT
SCREW
NUT