Mitsubishi S4Q User Manual page 165

MAINTENANCE STANDARDS
Group Inspection Point
Valve opening pressure,
MPa (kgf/cm
Spray cone angle
Oil tightness of needle
valve seat
Commutator mica depth
Pinion clearance
For 12V
Voltage, V
For 24V (Option)
Voltage, V
Brush length
Resistance between slip
ring
Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
Nominal
Value
14.22
(145)
2
) [psi]
[2063]
0°
Apply pressure of 3.92 ± 0.25
MPa (40 ± 2.5 kgf/cm
psi] with N2 gas and submerge in
an oil tank (at room temperature)
for more than 5 minutes. Check to
make sure there is no leakage.
32
Diameter
[1.26]
Runout
18
Length
[0.71]
Spring tension,
N (kgf) [lbf]
No-load characteristics
Current, A
11 130 or less
No-load characteristics
Current, A
23 80 or less
MAINTENANCE STANDARDS TABLE
Assembly
Standard Repair Limit
(Standard (Clearance)
Clearance)
14.22 to 15.00
(145 to 153)
[2063 to 2177]
2
) [569 ± 36
0.05
[0.0020]
0.4 to 0.6 0.2
[0.016 to 0.024] [0.008]
29 to 39
(3.0 to 4.0)
[6.5 to 8.8]
0.5 to 2.0
[0.020 to 0.079]
Speed, rpm
8 volts or less, with pinion held at 2 mm [0.08 in.] position
4000 or more
Speed, rpm
16 volts or less, with pinion held at 2 mm [0.08 in.] position
3000 or more
18.5
[0.728]
Ω
3.4
ENGLISH
Service
Limit
(Clearance)
Check nozzle with a hand
tester (at fuel oil
temperature 20°C [68°F]).
Replace the nozzle tip if the
spray pattern is still bad
after washing in clean fuel
oil.
Wash or replace nozzle tip.
31.4
[1.24]
0.10
[0.0039]
11
[0.43]
19.6
(2.0)
[4.4]
Magnetic switch operating voltage
from cranking position
Magnetic switch operating voltage
from cranking position
7
[0.276]
5 [0.197]
Option
(A7TA80AA)
(A3TN5776)
At 20°C [68°F]
Remark
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