2008 Arctic Cat 700 Diesel ATV Service Manual, Page 65Get this manual
NOTE: The keyway in the crankshaft MUST be in the 12 o'clock position before attempting to remove the oil pump Installing 1Clean all gasket material from the surface of the engine block2Make sure the oil pump drive key in the crankshaft is in the o'clock position; then locate the oil pump inner rotor keyway in the o'clock position as viewed from the crankshaft seal
AT THIS POINT
If the oil pump is being removed for servicing, proceed to Servicing in this sub-sectionIf the left-side crankshaft seal is being replaced, proceed to step 5
4Using an appropriate seal removal tool, remove the crankshaft oil seal from the oil pump housing being careful not to mar or scratch the seal bore
5Thoroughly clean the seal bore making sure it is free of all oil and sealant and free of any nicks or burrs6Soak new oil seal in clean engine oil for approximately 30 minutes; then using an appropriate driver, drive the seal into the oil pump housing until flush with the outer seal boreDE237A