Hino S5-LJ05E04A Workshop Manual page 359

ENGINE MECHANICAL (J05E)
7. INSPECTING BACKLASH BETWEEN CAM IDLE GEAR AND
SUB IDLE GEAR
(1) To prevent rotation of the sub idle gear, insert a large flat-blade
screwdriver into the sub idle gear through a gap around the cylin-
der head cam idle gear.
SHTS021270900185
(2) Use the dial gauge to measure backlash between the cam idle
gear and the sub idle gear. If a measurement reading exceeds the
permissible limit, replace individual gears.
SHTS021270900186
Standard value (mm {in.})
0.084-0.235
{0.0033-0.0093}
10–83
Permissible limit
(mm {in.})
0.30 {0.0118}