ENGINE ELECTRICALS
MAIN DATA AND SPECIFICATION
Isuzu Part No. 8-97084-877-0 8-94423-452-0
Hitachi code No. S13-11 S24-07
Rated voltage V 12 24
Rated output kW 2.2 3.5
Rating Sec 30
Direction of rotation
(Viewed from the pinion side) Clockwise
Clutch type Roller
Terminal voltage (No. Load) V 11 23
Minimum current (No. Load) A 160 90
Starter motor minimum operating speed
(No. Load) rpm 3900 3100
Pinion gear
Modules 2.75
Number of teeth 9
Outside diameter mm(in.) 33.0 (4.3)
Travel distance mm(in.) 1.51 (0.059)
Yoke outside diameter mm(in.) 80.0 (3.15)
Number of poles 4
Magnetic switch (at 20°C [68°F])
Series coil resistance Ω –
Shut coil resistance Ω 0.27 1.25
Brush length
Standard mm(in.) 15.0 (0.59) 15.0 (0.59)
Limit mm(in.) 9.0 (0.35) 9.0 (0.35)
Brush spring standard fitting load kgf(lb./N) (3.52/15.7–4.4/19.6) (2.5/24.5–7.7/34.3)
Commutator
Outside diameter
Standard mm(in.) 30.0 (1.18) 36.5 (1.44)
Limit mm(in.) 29.0 (1.14) 35.5 (1.40)
Difference between the largest and
smallest diameters
Standard mm(in.) 0.05 (0.002)
Depth of undercut mica
Limit mm(in.) 0.10 (0.004)
Standard mm(in.) 0.5 – 0.8 (0.02 – 0.03)
Limit mm(in.) 0.2 (0.008)
149
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