Lull 644E-42 Operation Manual - Manual (Page 118)

116 Model 644E Origin 3/04
General Maintenance
7. Remove the oil filter (1) and clean the filter sealing surface.
8. Apply a thin coat of clean engine oil to the new filter mating surface.
9. Install the new oil filter and hand tighten. Use an oil filter wrench or strap to
tighten the filter down another 1/4 to 1/2 turn.
OU0310
1