Measuring Camshaft Runout; Removing Camshaft Gear; Installing Camshaft Gear And Thrust Plate - Mitsubishi S3Q2 Service Manual

INSPECTION AND REPAIR OF BASIC ENGINE

3.8 Measuring camshaft runout

Measure the camshaft runout using a dial gauge. If the limit
is exceeded, correct the camshaft using a press, or replace
the camshaft with a new one.
Note: With a dial gauge set on the camshaft, rotate the
camshaft one turn and read the gauge indication.
Item
Camshaft runout (TIR)
[0.0016 in.] or less

3.9 Removing camshaft gear

Remove the camshaft gear by using a press.
Note: Remove the camshaft and thrust plate only when the
camshaft gear has defect.

3.10 Installing camshaft gear and thrust plate

(1) Install the key and the thrust plate to the camshaft.
(2) Heat the camshaft to approximately 250°C [482°F] by
using gear heater.
(3) Press fit the camshaft gear by tapping.
Note: Do not forget to insert the thrust plate before
installing the camshaft gear.
6-12
Standard Limit
0.04 mm 0.10 mm
[0.0039 in.]
Measuring camshaft runout
Thrust plate
Removing camshaft gear
Thrust plate
Camshaft gear
Installing camshaft gear and thrust plate