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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
TIMING GEARS, CAMSHAFT AND OIL
PAN ENGINE MAIN PARTS
3. Measuring camshaft deflection
If the deflection exceeds the repair limit, straighten
the camshaft with a press, or replace it with a new
one.
Unit: mm [in.]
4. Removing camshaft gear
To remove the camshaft gear, use a hydraulic
press.
5. Installing camshaft gear and thrust plate
1) Install the key and thrust plate to the
camshaft.
2) Heat the gear up to a temperature of 250°C
[482°F].
3) Drive the gear onto the camshaft.
Figure 78 Measuring camshaft deflection
CAUTION
Set up a dial gage on the camshaft, then turn the
camshaft. Take one half (1/2) of the gage indication
as the deflection.
Item
Assembly
Standard
Service
Limit
Camshaft deflection
0.02 [0.0008] or
less
0.05
[0.0020]
Figure 79 Removing camshaft gear
Thrust plate
NOTE
Do not remove the camshaft, thrust plate or gear
unless it requires replacement.
Figure 80 Installing camshaft gear and thrust plate
Thrust plate
Camshaft gear
NOTE
Install the thrust plate before installing the gear to the
camshaft.