BobCat 753 – RECONDITIONING THE ENGINE – Oil Pump Service

Measure the clearance between the lobes of the inner rotor and outer rotor [Figure 70-100-48].

Measure the clearance between the outer rotor and pump body [Figure 70-100-49].

If the clearance exceeds the allowable limit, replace the oil pump.

Put a piece of press gauge on the rotor face [Figure 70-100-50].

Install the cover and tighten the bolts.

Remove the cover carefully. Measure the width of the press gauge [Figure 70-100-50].

If the clearance exceeds the allowable limit, replace the oil pump.