Removing The Timing Gear Case; Measuring The Timing Gear Backlash - Mitsubishi diesel engines Service Manual

2.7 Removing the timing gear case

Remove the timing gear case retaining bolts.
Then, remove the timing gear case.
The front plate is bolted in place separately
from the timing gear case. Do not attempt to
tap away the front plate together with the
timing gear case.

2.8 Measuring the timing gear backlash

Measure the backlash between the gears and use
the measurements
reassembly.
If any of the measured values exceeds the limit,
replace all gears unless otherwise specified.
Crank gear - idler
gear
Idler gear - valve
camshaft gear
Idler gear - pump
camshaft gear
Valve camshaft
gear - PTO gear
Pump camshaft
gear - oil pump
gear
as references
Unit: mm (in.)
Standard value Limit
0.04 to 0.12
(0.0016 to 0.0047)
0.30
(0.0118)
0.08 to 0.19
(0.0031 to 0.0075)
0.07 to 0.20
(0.0028 to 0.0079)
ENGINE MAIN PARTS - DISASSEMBLY
Removing the timing gear case
Front plate retaining bolts
upon
Measuring the timing gear backlash
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