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(Step C) To check the Vertical Parallel Offset, the driveshaft must be re-orientated.
Rotate the shaft 90° so the reference “CD” on the flywheel adapter disc or the circumference of the
drive shaft flange (against the flywheel) is in the position shown on Figure 2-5.
Measure from the face of the flywheel adapter disc to point H. (Point H is the furthermost point on the
bearing bore diameter). The measurement must be:
Figure 2-5
(Step D) With the driveshaft in the same orientation as the previous step (Step C), check the Vertical alignment
of the shafts.
Measure from the mating surface of the pump companion hub of the drive shaft to point J as shown in
figure 2-6. (Point J is the same as point G, with the driveshaft rotated 90°). This measurement must be
equal to the measurement at point H ± 1.
Figure 2-6
Note: Reinstall all guards and grease fittings before reconnecting the battery cables.
Driveshaft Maintenance
To service the driveshaft disconnect the negative battery cables, remove the top of guard and set aside.
Rotate engine shaft manually so the u-joint grease fittings are accessible.
Using a hand-held grease gun with N.L.G.I. grade 1 or 2 grease position on grease fitting. Pump with grease
until grease is visible at all four cap seals.
Verify all driveshaft connecting bolts remain tight. Re-torque per 2.4.2 if necessary.
Reinstall top of guard and connect negative battery cables.
Other Coupling Types
Consult Factory or Clarke website at www.clarkefire.com for additional information.
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