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Fig. 31: Measuring Rotor Clearance - Typical This Graphic For General Information Only Install rotors in pump body. Position straightedge across pump body. Using feeler gauge, measure clearance between rotors and straightedge. Pump cover wear is measured using a straightedge and feeler gauge. Replace pump if clearance exceeds specification. GEAR TYPE Oil pump gears must be marked for location prior to removal. See Fig. 32. Remove gears from pump body. Inspect gears for pitting or damage. Inspect cover for grooving or wear. Fig. 32: Typical Gear Type Oil Pump This Graphic For General Information Only Measure gear diameter and length. Measure gear housing cavity depth and diameter. See Fig. 33. Replace components if worn or |