Install Half–Circular Plugs - Toyota 22R-E Service Manual

ENGINE – ENGINE MECHANICAL
6. ADJUST VALVE CLEARANCE
(a) Set the No. 1 cylinder to TDC/compression.
Turn the crankshaft with a wrench to align the
timing, marks at TDC. Set the groove on the
pulley at the "0" mark position of the chain cover.
Check that the rocker arms on the No. 1 cylinder
are loose and the rocker arms on No. 4 cylinder
are tight.
If not, turn the crankshaft one complete revolution
and align the marks as above.
(b) Adjust the clearance of half of the valves.
Adjust only the valves indicated by arrows as
shown.
Valve clearance (Cold):
Intake 0.20 mm (0.008 in.)
Exhaust 0.30 mm (0.012 in.)
HINT: After installing the cylinder head, warm up the
engine and adjust the valve clearance.
Use a thickness gauge to measure between the
valve stern and rocker arm. Loosen the lock nut
and turn the adjusting screw to set the proper
clearance. Hold the adjusting screw in position
and tighten the lock nut.
Torque: 25N–m (250kgf–cm, 18ft–lbf)
Recheck the clearance. The thickness gauge
should move. with a very slight drag.
(c) Turn the crankshaft one revolution and adjust the
other valves.
(d) Set the No. 1 cylinder to TDC/compression.
7. INSTALL HALF–CIRCULAR PLUGS
(a) Apply seal packing to the cylinder head installation
surface of the plug.
Seal packing: Part No. 08826–00080 or equivalent
(b) Install the half–circular plugs to the cylinder head.
EG1–35