Stop the engine.
Remove the bolt and sealing washer.
Remove the oil pressure switch and connect an oil pressure gauge attachment and gauge to the pressure switch hole.
Tools:
- Oil pressure gauge attachment 07510-4220100
- Oil pressure gauge 07506-3000001
- or equivalent commercially available in USA.
Check the oil level and add the recommended oil if necessary (page 3-12).
Start the engine and check the oil pressure at 5,000 rpm.
Oil pressure: 530 kPa (5.4 kgf/cm², 77 psi) at 5,000 rpm (80°C/176°F)
Stop the engine.
Replace the sealing washer with new ones.
Install and tighten the bolts securely.
Start the engine.
Check that the oil pressure indicator goes out after 1 or 2 seconds. If the oil pressure indicator stays on, stop the engine immediately and determine the cause (page 19-17).