46
| 607 PRO Challenger
Series
www.natvac.com | 800.253.5500
27�
(Fan Cooled Only)
Reinstall
the fan assembly, the key
should be pushed all the way
to the end of the key slot on
the drive end�
Make sure there is sufficient
clearance to mount the fan cover
when positioning the fan
assembly� Tighten the fan
hub screw�
Refer to step 9 for additional
information�
26� Reinstall the oil pump drive
key in the non-drive end of
the rotor�
Use hardening gasket sealer on
both sides of the oil pump
gasket. Apply teflon tape to oil
pump bolts�
Install oil pump to the rear
bearing cover� Ensure the oil
pump shaft is aligned with the
drive key�
Reconnect the oil lines to the oil
pump, and front bearing�
Do not overtighten fittings.
