MAINTENANCE SERVICE 4.
Lightly coat the O-ring (1) of the new oil filter with engine oil, and install the filter by completely turning it by hand.
VALVE CLEARANCE (Check and adjust as required)
Y10ECOA
As the intake and exhaust valves are equipped with auto-lash adjustment mechanisms, there is no need for valve clearance adjustment. The proper functioning of the auto-lash mechanism may be determined by checking for tappet noise. When there is tappet noise or any unusual noise, check the auto-lash by removing it.
'J::::j~~_AutO-laSh adjuster
Valve Clearance Adjustment Intake and Exhaust Valves The auto-lash adjuster is installed to the rocker arm so that the valve clearance adjustment is maintenance-free. For additional information regarding the auto-lash adjuster, refer to "ENGINE" section.
Jet Valve CAUTION 1. The cylinder head bolts should be retightened before attempting this adjustment. 2. If the jet valve clearance is not good, this will affect not only the exhaust gas level, but also be the cause of engine trouble. It is, therefore, important that the correct adjustment procedures be followed, as described here. 1.
3. 4. 5. 6.
Start the engine and allow it to warm up until the temperature of the coolant reaches BOoC to 95°C (176°F to 203°F). Check the ignition timing and idling speed, and adjust if necessary. Remove the rocker cover. Remove timing belt front upper cover. Turn crankshaft clockwise and align with camshaft sprocket timing mark.
10-8
/p/,* Timing mark (on cylinder head)
Timing mark / (on camshaft sprocket) ~ ... _
