Hino S5-LJ05E04A Workshop Manual page 357

ENGINE MECHANICAL (J05E)
3. INSPECTING BACKLASH BETWEEN MAIN IDLE GEAR AND
INJECTION PUMP DRIVE IDLE GEAR
(1) To prevent rotation of the main idle gear, insert a large flat-blade
screwdriver into the main idle gear through the dust cover port on
the timing gear side in the flywheel housing.
SHTS021270900178
(2) Use the dial gauge to measure backlash between the main idle
gear and the injection pump drive idle gear. If a measurement
reading exceeds the permissible limit, replace individual gears.
NOTICE
If a dial gauge magnet stand cannot stand still, utilize bolt holes in
the cylinder block to temporarily mount a metal plate for measure-
ment.
SHTS021270900179
4. INSPECTING BACKLASH BETWEEN MAIN IDLE GEAR AND
SUB IDLE GEAR
(1) To prevent rotation of the main idle gear, insert a large flat-blade
screwdriver into the main idle gear through the dust cover port on
the timing gear side in the flywheel housing.
SHTS021270900180
(2) Use the dial gauge to measure backlash between the main idle
gear and the sub idle gear. If a measurement reading exceeds the
permissible limit, replace individual gears.
SHTS021270900181
Standard value (mm {in.})
0.030-0.218
{0.0012-0.0086}
Standard value (mm {in.})
0.030-0.162
{0.0012-0.0064}
10–81
Permissible limit
(mm {in.})
0.30 {0.0118}
Permissible limit
(mm {in.})
0.30 {0.0118}