SERVICE DATA
2-7
1.3 Fuel system
1.4 Lubrication system
1.5 Cooling system
Table 2-3 Maintenance service data table - Fuel system Unit: mm [in.]
Inspection point Nominal Standard Limit Remark
Fuel
injection
nozzle
Valve open-
ing pressure
Swirl chamber
11.77 MPa
{120 kgf/cm²}
[1707 psi]
11.77 to 12.75 MPa
{120 to 130 kgf/cm²}
[1707 to 1849 psi]
Make shim adjustment.
Pressure varies by 1 MPa
{10 kgf/cm²} [144 psi]
per 0.1 [0.004] thickness
of shim.
Direct injection
17.70 MPa
{180 kgf/cm²}
18.14 to 19.12 MPa
{185 to 195 kgf/cm²}
Spray cone
angle
Swirl chamber 0° Check nozzle with a hand
tester (at fuel oil tempera-
ture 20°C [68°F]).
Replace the nozzle tip if
the spray pattern is still
bad after washing in clean
fuel oil.
Direct
injection
Distributor-
type
145°
In-line type 148°
Nozzle valve seat oil sealing
Seat shall hold a test pressure lower than
valve opening pressure by 2 MPa
{20 kgf/cm²} [285 psi] for 10 seconds.
Wash in clean fuel oil or
replace nozzle tip.
Table 2-4 Maintenance service data table - Lubrication system Unit: mm [in.]
Inspection point Nominal Standard Limit Remark
Oil pump
Clearance between outer rotor and case
0.20 to 0.30
[0.0079 to 0.0118]
0.50
[0.0197]
Replace pump assembly.
Main shaft outside diameter
(between case)
ø 16
[0.63]
15.985 to 16.000
[0.6293 to 0.6299]
Main shaft outside diameter
(between oil pump bushing)
ø 14
[0.55]
13.957 to 13.975
[0.5495 to 0.5502]
Clearance between main shaft and pump
case
0.032 to 0.074
[0.0013 to 0.0029]
0.150
[0.0059]
Replace pump case or
replace pump assembly.
Clearance between main shaft and oil
pump bushing
0.025 to 0.111
[0.0010 to 0.0044]
0.200
[0.0079]
Replace oil pump bush-
ing or replace pump
assembly.
Clearance between inner rotor and outer
rotor
0.13 to 0.15
[0.0051 to 0.0059]
0.20
[0.0079]
Replace outer rotor and
shaft assembly.
Rotor and case end play
0.04 to 0.09
[0.0016 to 0.0035]
0.15
[0.0059]
Replace pump assembly.
Relief valve Valve opening pressure
0.35 MPa
{3.6 kgf/cm²}
[51.20 psi]
0.35 ± 0.05 MPa
{3.5 ± 0.5 kgf/cm²}
[49.78 ± 7.11 psi]
Safety valve Valve opening pressure
1.1 MPa
{11 kgf/cm²}
[157 psi]
Table 2-5 Maintenance service data table - Cooling system Unit: mm [in.]
Inspection point Nominal Standard Limit Remark
Thermostat
Temperature at which valve starts
opening
76.5 ± 1.5°C
[170 ± 2.7°F]
Temperature at which valve lift is
9 [0.35], minimum
90°C
[194°F]
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