Measure the engine crankcase pressure.
Use blowby checking tool, Part No. 3375150, and water manometer, Part No. ST-1111-3.
Install a plug in the crankcase breather vent tube.
Remove the ‘‘bottle stopper’’ oil filler cap and install the blowby checking tool, Part No. 3375150.
Install the water manometer to the blowby checking tool.
Observe the engine blowby.
Engine blowby must not exceed the following specifications:
