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INSPECTION AND REPAIR OF BASIC ENGINE

6-18

4.10 Measuring crankshaft runout

Support the crankshaft at the front and rear journals with V-

blocks, and measure the crankshaft runout at the center

journal using a dial gauge. If the runout deviates from the

standard only slightly, grind the crankshaft to repair. If the

runout exceeds the standard considerably, straighten the

crankshaft using a press.

If the limit is exceeded, replace the crankshaft.

If the crankshaft has been repaired by grinding or pressing,

inspect the crankshaft for cracks and other harmful damage

using a magnetic particle method.

Measuring bend of crankshaft

4.11 Replacing crankshaft gear

4.11.1 Removing crankshaft gear

Using a gear puller, remove the gear from the crankshaft.

Note: Do not strike the gear with a hammer.

Removing crankshaft gear

4.11.2 Installing crankshaft gear

(1) Install the key on the crankshaft.

(2) Press-fit the gear fully in alignment with the key.

Installing crankshaft gear

Item Standard Remark

Crankshaft runout

0.06 mm

[0.0024 in.]

TIR

Gear puller

Aligning position

Mitsubishi L2C Service Manual

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