TOHATSU BFT75A Service Manual page 346

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OIL PUMP BODY DEPTH
Measure the oil pump body depth.
STANDARD:
18.04 – 18.07 mm (0.710 – 0.711 in)
If the measurement exceeds the standard limit, replace
the oil pump body.
OUTER ROTOR HEIGHT
Measure the outer rotor height.
STANDARD:
17.98 – 18.00 mm (0.708 – 0.709 in)
SERVICE LIMIT:
17.96 mm (0.707 in)
If the measurement is less than the service limit,
replace the outer rotor with a new one.
INNER ROTOR-TO-OUTER ROTOR
CLEARANCE
Measure the inner rotor-to-outer rotor clearance.
STANDARD:
0.02 – 0.16 mm (0.001 – 0.006 in)
SERVICE LIMIT:
0.20 mm (0.008 in)
If the measurement exceeds the service limit, replace
the inner rotor and the outer rotor with the new ones as
a set.
OUTER ROTOR-TO-PUMP BODY
CLEARANCE
Measure the outer rotor-to-pump body clearance.
STANDARD:
0.10 – 0.19 mm (0.004 – 0.007 in)
SERVICE LIMIT:
0.23 mm (0.009 in)
If the measurement exceeds the service limit, replace
the outer rotor and the oil pump body with the new ones
as a set.
LUBRICATION SYSTEM
12-11