Yanmar 3TNV84 - Starter Motor Specifications

STARTER MOTOR
TNV DI Service Manual
11-7
Starter Motor Specifications
STARTER MOTOR SPECIFICATIONS
Yanmar Part Number 129900-77010
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
No-load
Terminal Voltage / Current 11 V / 140 A max
Revolution 4100 rpm (min
-1
)
Loaded
Terminal Voltage / Current 2.5 V / 1050 A max
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
Brush
Spring Force 7.868 lbf (35 N; 3.6 kgf)
Height
Standard 0.591 in. (15 mm)
Limit 0.354 in. (9 mm)
Magnetic
Switch
Series Coil Resistance 0.27 W at 68°F (20°C)
Shunt Coil Resistance 0.60 W at 68°F (20°C)
Commutator
Outside Diameter
Standard 1.437 in. (36.5 mm)
Limit 1.398 in. (35 mm)
Run-Out
Standard 0.001 in. (0.03 mm)
Limit 0.008 in. (0.2 mm)
Insulation Depth
Standard 0.020 - 0.031 in. (0.5 - 0.8 mm)
Limit 0.008 in. (0.2 mm)
Armature Run-Out
Standard 0.001 in. (0.03 mm)
Limit 0.008 in. (0.02 mm)
Bearing
Type
Armature Front
Nominal Number
6903DDU
Armature Rear 608DDU
Pinion Front 60004DDU
Pinion Rear 6904DDU
Pinion Projection Length (Length L) 0.012 - 0.059 in. (0.3 - 1.5 mm)
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