Gear Group - Inspect - Perkins 1103 Series Workshop Manual

Flywheel Runout
Illustration 42
1. Install the dial indicator. Refer to Illustration 42.
2. Set the pointer of the dial indicator to 0 mm
(0 inch).
3. Turn the flywheel. Read the dial indicator for
every 90 degrees.
4. Calculate the difference between the lowest
measurement and the highest measurement of
the four locations. This difference must not be
greater than 0.30 mm (0.012 inch).

Gear Group - Inspect

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Illustration 43
(1) Fuel pump drive gear
(2) Camshaft drive gear
(3) Idler gear
Remove the front timing cover and inspect the
gears. The timing marks on the gears indicate the
front side of the gears. Inspect the gears for broken
teeth or worn teeth.
Testing and Adjusting Section
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