Subaru 2006 Legacy, Manual

Page: 2217 / 4302

LU(H4DOTC)-2
General Description
LUBRICATION
1. General Description
A: SPECIFICATION
Lubrication method Forced lubrication
Oil pump
Pump type Trochoid type
Number of teeth
Inner rotor 9
Outer rotor 10
Outer rotor diameter × thickness mm (in) 78 × 10 (3.07 × 0.47)
Tip clearance between inner and outer rotors mm (in) 0.04 — 0.14 (0.0016 — 0.0055)
Side clearance between inner rotor and pump case mm (in) 0.02 — 0.07 (0.0008 — 0.0028)
Case clearance between outer rotor
and pump case
Standard mm (in) 0.10 — 0.175 (0.0039 — 0.0069)
Performance
(Oil temperature 80°C
(176°F)
600 rpm
Discharge
pressure
kPa (kg/cm
2
, psi) 98 (1.0, 14)
Discharge
rate
2
(US qt, Imp qt)/min. 4.6 (4.9, 4.0) or more
5,000 rpm
Discharge
pressure
kPa (kg/cm
2
, psi) 294 (3.0, 43)
Discharge
rate
2
(US qt, Imp qt)/min. 47.0 (49.7, 41.4) or more
Relief valve working pressure kPa (kg/cm
2
, psi) 588 (6.0, 85)
Oil filter
Filter type Full-flow filter type
Filtration area cm
2
(sq in)
Outer diameter:
68 mm (2.68 in)
800 (124)
Outer diameter:
65 mm (2.56 in)
470 (72.9)
By-pass valve opening pressure kPa (kg/cm
2
, psi) 160 (1.63, 23.2)
Outer diameter × width mm (in)
Outer diameter:
68 mm (2.68 in)
68 × 65 (2.68 × 2.56)
Outer diameter:
65 mm (2.56 in)
65 × 74.4 (2.56 × 2.93)
Installation screw specifications M 20 × 1.5
Oil pressure
switch
Type Immersed contact point type
Operating voltage — power consumption 12 V — 3.4 W or less
Warning light operating pressure kPa (kg/cm
2
, psi) 14.7 (0.15, 2.1)
Proof pressure kPa (kg/cm
2
, psi) 981 (10, 142) or more
Engine oil
Total capacity (Overhaul)
2
(US qt, Imp qt) 5.0 (5.3, 4.4)
When replacing engine oil and oil filter
2
(US qt, Imp qt) 4.3 (4.5, 3.8)
When replacing engine oil only
2
(US qt, Imp qt) 4.0 (4.2, 3.5)
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