4.3.1.4
Loosen the securing screw, adjust platinum contact gap to 0.4-0.45mm by
turning the platinum contact adjusting screw, and then tighten the securing screw.
4.3.1.5
Turn cam 180 more by applying kickstarter and check contact gap at the other
end to see whether it meets requirement.
4.3.2
The distributor of engine CJ-750D is of FDQ-5 type, which is an automatic and
centrifugal ignition advance distributor. It can automatically change ignition angle with
the change of engine RPM to get optimum ignition time for the engine.It is installed on
top left of front crankcase. Its adjusting methods are as follows(see Fig.9).
4.3.2.1
Remove distributor cover.
4.3.2.2
Rotate ignition camshaft by applying kickstarter to push the movable arm of
platinum contact to upper most position.Use feeler gauge to check max gap between
upper and lower platinum contacts, which should be 0.35-0.45mm.
4.3.2.3
If the gap does not meet the requirement, loosen the securing screw, adjust
the gap to 0.35-0.45mm by turning the platinum contact adjusting screw. Then tighten
the securing screw.
4.3.2.4
Turn cam by 360 more by applying kickstarter and check the contact point gap
with the above method.
4.4 Ignition Angle Checking and Adjusting
4.4.1
Ignition angle checking
4.4.1.1
Remove distributor cover and cylinder head.
