Leakage of Oil Seal
S.N. Trouble Cause Remedy Remarks
Oil Leaking between the Crankcase and Pumping section
Worn Plunger rod Oil Seals
Replace Plunger rod seals.
O-rings on plunger retainer worn.
Replace O-rings.
Oil From Under The Crankcase
Leaking Plunger Rod, Side Cover, Rear Cover, or Crankshaft Oil Seals Or O-Rings
Replace oil seal or O-rings.
Oil Leaking In The Crankshaft Area
Worn Crankshaft Oil Seal

Replace Crankshaft Oil Seal.

Bad Bearings
Replace Bearings.
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