Perkins New 1000 Series, Workshop Manual, Page: 258 / 290

22
258 Workshop Manual, TPD 1350, issue 3
New 1000 Series
Flywheel
To remove and to fit 22-1
Warning! The flywheel is heavy, use lift equipment
or get help to assist with the lift operation before
removal of the flywheel fasteners.
To remove
1 Remove two opposite setscrews from the flywheel
and fit temporarily two guide studs to ensure safety
when the flywheel is removed and fitted.
2 Remove the remainder of the setscrews and
washers and remove the flywheel.
3 Check the flywheel and ring gear for damage and
renew, if necessary.
To fit
1 Ensure that the location faces of the crankshaft and
the flywheel are clean and free from damage.
2 Fit the flywheel over the guide studs. Fit four
setscrews and their washers. Remove the guide
studs and fit the remainder of the setscrews and the
washers. Tighten the setscrews to 105 Nm (77 lbf ft)
10,7 kgf m.
3 Check the flywheel run-out with a dial test indicator
(A). This must be less than 0,30 mm (0.012 in) total
indicator reading.
4 Check the alignment of the flywheel face (B). The
error in alignment must not be more than 0,03 mm
(0.001 in) total indicator reading for every 25 mm (1.0
in) of the flywheel radius from the crankshaft axis to
the indicator plunger. During this check, keep the
crankshaft pressed toward the front to remove the
effect of crankshaft end-float.
Ring gear
To remove and to fit 22-2
To remove
Warning! Wear eye protection during this operation.
Before the ring gear is removed, check the position of
the chamfer on the teeth.To remove the ring gear use
a hammer and a chisel to break the ring. Ensure that
the flywheel is not damaged during this operation.
To fit
The ring gear is heated onto the flywheel. When a
new gear is to be fitted, ensure that it is not heated to
more than 250 °C (480 °F). Ensure that the chamfer
on the teeth of the gear is in the correct direction.
A
A0279
B
A0280
Purchased from www.WorkshopManuals.co.uk