Loosen the valve on the regulator and apply the specified air pressure. Specified Air Pressure: 250 kPa (2.5 kgf/cm2, 36 psi) Make sure that the intake primary rocker arm (A) and secondary rocker arm (B) are mechanically connected by piston and that the intake mid rocker arm (C) does not move when pushed manually. If any intake mid rocker arm moves independently of the intake primary and intake secondary rocker arms, replace the rocker arms as a set.

Remove the special tools, then tighten the sealing bolt. Use a 10 mm (0.39 in.) diameter rod (A) to depress each lost motion assembly through its full movement, replace any lost motion assembly that does move smoothly. After inspection, check that the MIL does not come on.