Yanmar 4TNV98, Service Manual

Page: 224 / 246

4TNV98 & 4TNE98 Diesel Engine Section 7. Starter Motor 222
Starter Motor Specifications
DOOSAN Part Number
A408417
Nominal Output
3.0 hp (2.3 kW)
Weight 12.1 lb(5.5 kg)
Revolution Direction (As Viewed From Pinion)
Clockwise
Engagement System Magnetic Shift
Terminal Voltage / Current 11 V / 140 A max
No-load
Revolution
4100 rpm (min-1)
Terminal Voltage / Current
2.5 V / 1050 A max
Loaded
Torque
18 ft-lb
(24.5 N·m; 2.5 kgf·m) minimum
Clutch System Overrunning
Pinion Projection Voltage at 212°F (100 °C)
8.6 V max
Pinion DP or Module / Number of Teeth
M3/9
Difference (O-ring, Oil Seal) Dry (none)
Application
Standard
Spring Force 7.868 lbf (35 N; 3.6 kgf)
Standard
0.591 in. (15 mm)
Brush
Height
Limit
0.354 in. (9 mm)
Series Coil Resistance
0.27 Ω at 68°F (20°C)
Magnetic
Switch
Shunt Coil Resistance 0.60 Ω at 68°F (20°C)
Standard
1.437 in. (36.5 mm)
Outside Diameter
Limit
1.398 in. (35 mm)
Standard 0.001 in. (0.03 mm)
Run-Out
Limit 0.008 in. (0.2 mm)
Standard
0.020 - 0.031 in. (0.5 - 0.8 mm)
Commutator
Insulation Depth
Limit 0.008 in. (0.2 mm)
Standard
0.001 in. (0.03 mm)
Armature Run-Out
Limit
0.008 in. (0.02 mm)
Armature Front 6903DDU
Armature Rear
608DDU
Pinion Front
60004DDU
Bearing Type
Pinion Rear
Nominal Number
6904DDU
Pinion Projection Length (Length L) 0.012 - 0.059 in. (0.3 - 1.5 mm)