Subaru 2009 IMPREZA Service Manual page 363

LUBRICATION
1. General Description
A: SPECIFICATION
Lubrication method
Pump type
Number of teeth
Outer rotor diameter × thickness
Tip clearance between inner and outer
rotors
Side clearance between inner rotor
and pump case
Case clearance between outer rotor
Oil pump
and pump case
Performance
(Oil temperature 80°C
(176°F))
Relief valve working pressure
Filter type
Filtration
area
By-pass valve opening pressure
Oil filter
Outer
diameter ×
width
Installation screw specifications
Type
Operating voltage — power consumption
Oil pressure
switch
Warning light operating pressure
Proof pressure
Total capacity (Overhaul)
Engine oil When replacing engine oil and oil filter
When replacing engine oil only
General Description
Inner rotor
Outer rotor
Specification
Specification
Specification
Discharge
pressure
600 rpm
Discharge
rate
Discharge
pressure
5,000 rpm
Discharge
rate
Outer diameter: 68 mm (2.68 in) (Black)
2
cm (sq in)
Outer diameter: 67.4 mm (2.65 in) (Blue)
Outer diameter: 68 mm (2.68 in) (Black)
mm (in)
Outer diameter: 67.4 mm (2.65 in) (Blue)
LU(H4SO)-2
mm (in)
mm (in) 0.04 — 0.14 (0.0016 — 0.0055)
mm (in) 0.02 — 0.07 (0.0008 — 0.0028)
mm (in) 0.10 — 0.175 (0.0039 — 0.0069)
2
kPa (kg/cm , psi)
2 (US qt, Imp qt)/min.
2
kPa (kg/cm , psi)
2 (US qt, Imp qt)/min.
2
kPa (kg/cm , psi)
2
kPa (kg/cm , psi)
Immersed contact point type
2
kPa (kg/cm , psi)
2
kPa (kg/cm , psi)
2 (US qt, Imp qt)
2 (US qt, Imp qt)
2 (US qt, Imp qt)
Forced lubrication
Trochoid type
9
10
76 × 10 (2.99 × 0.39)
98 (1.0, 14)
4.6 (4.9, 4.0) or more
294 (3.0, 43)
47.0 (49.7, 41.4) or more
588 (6.0, 85)
Full-flow filter type
800 (124)
555 (86)
160 (1.63, 23.2)
68 × 65 (2.68 × 2.56)
67.4 × 65.3 (2.65 × 2.57)
M 20 × 1.5
12 V — 3.4 W or less
14.7 (0.15, 2.1)
981 (10, 142) or more
5.0 (5.3, 4.4)
4.2 (4.4, 3.7)
4.0 (4.2, 3.5)