Electrical System - Kubota Z400-B Handbuch

COOLING SYSTEM
[Fan Belt]
Factory Specification
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Allowable Limit
Z400·B
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0600-B
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V800-B
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Z430·B
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0640-B Z400-B
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0600-B
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V800-B
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Z430-B
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0640-B
Belt deflection under load of 98 N
(10 kgf. Ibs)
7 t09 mm
(0.28 to 0.35 in.!
-
[Radiator] (not included with the basic model)
Water tightness at specif ied pressure
Radiator water tightness
(137 kPa, 1.4 kgf fcm', 20 psi)
10 seconds or more of pressure falling time from
Radiator cap opening pressure -
88 to 59 kPa (0.9 to 0.6 kgf/cm'. 13 to 9 psi)
[Thermostat]
Thermostat's valve opening
80.5 to 83.5°C
temperature
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1176.9 to 182.3°F)
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Temperature at which 95°C 1203°F)
completely opens
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at 6mm (0.236 in.) of opening
FUEL SYSTEM
[Injection Pump]
Injection timing (static)
0.375 to 0.410 rad. (21.5° to 23.5°)
before TOC
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Fuel tightness of pump element
60 seconds or more of pressure falling time from
39.23 to 34.32 MPa
30 seconds or more of pressure falling time from
39.23 to 34.32 MPa
(400 to 350 kgf/cm'. 5689 to 4978 psi)
(400 to 350 kgf fcm
2,
5689 to 4978 psi)
Fuel tightness of delivery valve
10 seconds or more of pressure fall ing time from
21.57 to 20.59 MPa
5 seconds or more of pressure falling time from
21.57 to 20.59 MPa
(220 to 210 kgffcm'. 3129 to 2987 psi)
(220 to 210 kgf fcm
2.
3129 to 2987 psi)
[Injection Nozzle]
Fuel injection pressure
13.73 to 14.71 MPa
(140 to 150 kgf/cm'. 1991 to 2133 psi)
-
Fuel tightness of nozzle valve seat
No fuel lea k at
12.75 MPa (130 kgffcm', 1849 psi)
ELECTRICAL SYSTEM
[Starter]
Communtator 0.0.
32.0mm
(1.260 in.!
1300mm
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32.0 mm
(1.IBl in.)
(1.260 in.)
31.0 mm
(1.220 in.)
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29.0mm
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(1.1421n.\
31.0 mm
(1.220 in.)
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Difference of O.O:s
less than 0.05 mm
10.002 in.)
0.4 mm
(0.016 in.!
Mica undercut
0.5 to 0.8 mm
(0.020 to 0.031 in.)
0.4mm
(0.008 in.!
Brush length
17.0mm
(0.669 in.)
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13.0mm
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17.0 mm
(0.512 in.l
10.669 in.)
11.5 mm
(0.453 in.)
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8.5mm
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10.335 in.!
11.5 mm
(0.453 in.!
[Glow Plug]
[AC Dynamo] (except V800-B)
No-load output AC 20 volt or more at 5200 rpm
[Regulator] (not included with the basic model) (except V800·B)
Slip ring 0.0. 14.4 mm 14.0 mm
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Brush length extruding from
brush holder
10.5 mm
4.5mm
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Resistance between slip rings
about 2.9
n
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Regulating voltage 14.2 to 14.8 volt
[Alternator] (V800·B only)
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