Subaru IMPREZA 2002 Service Manual page 260

GENERAL DESCRIPTION
LUBRICATION
1. General Description
iod
Pump type
A: SPECIFICATIONS
Forced lubrication
Trochoid type
Model
Inner rotor
~brication me
9
3il pump
Outer rotor
3il filter
10
I
Non-Turbo
I
Turbo
I
Outer rotor diameter
x
thickness
Tip clearance between inner and outer rotor
STANDARD
LIMIT
7 8 x 9 m m 7 8 x l O m m
0.04
-
0.14 mm (0.0016
-
0.0055 in)
0.18 mm (0.0071 in)
(3.07 x 0.35 in) (3.07
x
0.39 in)
Number of teeth
Side clearance between inner rotor and
pump case
STANDARD
LIMIT 0.12 mm (0.0047 in)
0.02
-
0.07 mm (0.0008
- 0.0028
in)
Capacity at
80°C (1 76OF)
-
pressure
-
quantity
-
pressure
-
quantity
98 kPa (1 .O kg/cm2, 14 psi)
700 rpm Discharge 4.2
8 (4.4 US qt,
4.6
8 (4.9 US qt,
4.0 Imp qt)/min. 3.7 Imp qt)/min.
294 kPa (3.0 kg/cm2, 43 psi)
5,000 rpm Discharge 42.0
8
(11.10 US gal, 47.0
8
(12.41 US gal,
9.24 ImD aalVmin. 10.33 ImD aalVmin.
Case clearance between outer rotor and
I
STANDARD
I
0.1 0
-
0.175 mm (0.0039
-
0.0069 in)
I
I I I
. "
r
490 kPa
(5.0 kg/cm2, 71 psi)
Relief valve operation pressure
pump case
I
LIMIT
I
0.20 mm (0.0079 in)
I
I "
r
588 kPa
(6.0 kg/cm2, 85 psi)
Filtration area
By-pass valve opening pressure
Outer diameter x width
1,000 cm2 (1 55 sq in)
157 kPa (1.6 kg/cm2, 23 psi)
80 x 70 mm (3.1 5 x 2.76 in)
Type
I
Full-flow filter type
I
Type
Working voltage
-
wattage
Warning light activation pressure
Immersed contact point type
12 V
-
3.4 W or less
14.7 kPa (0.15 ka/cm2. 2.1 Dsi)
I
M 20 x 1.5 Oil filter to engine thread size
I
4.0 8
(4.2 US qt, 3.5 Imp qt)
3il capacity (at replacement)
qelief valve (on rocker shaft) operation pressure
I
69 kPa (0.7kg/cm2, 10 psi)
I
4.5 8
(4.8 US qt, 4.0 Imp qt)
3il pressure
switch
1
Proof pressure
I
More than 981 kPa (10 kg/cm2, 142
D S ~ )
1
LU-2