ENGINE MECHANICAL (M13 ENGINE) 6A2-43
Radial clearance
Check radial clearance between outer rotor (1) and case (2),
using thickness gauge (3).
If clearance exceeds its limit, replace oil pump assembly.
Limit on radial clearance between outer rotor and
case for oil pump
: 0.310 mm (0.0122 in.)
Side clearance
Using straight edge (1) and thickness gauge (2), measure side
clearance.
If clearance exceeds its limit, replace oil pump assembly.
Limit on side clearance for oil pump inner rotor
: 0.15 mm (0.0059 in.)
Relief valve spring free length and load
Check relief valve spring free length and load as shown in figure.
If the measured valve spring length is lower than the specification,
replace relief valve spring.
Standard Limit
Free length
52.4 mm
(2.06 in.)
–
Load at spring length
38.5 mm (1.52 in.)
79 N
(7.9 kgf, 17.5 lb)
69 N
(6.9 kgf, 15.0 lb)
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