9-S7
ME8200, ME9000, WSM
ELECTRICAL SYSTEM
2. SERVICING SPECIFICATIONS
STARTER MOTOR
W1013874
ALTERNATOR
W1012619
GLOW PLUG
W1012696
FUEL LEVEL SENSOR
W1012773
COOLANT TEMPERATURE SENSOR
W1012850
Item Factory Specification Allowable Limit
Commutator O.D. 32.0 mm
1.2598 in.
31.4 mm
1.2362 in.
Mica Undercut 0.50 to 0.80 mm
0.0197 to 0.0315 in.
0.2 mm
0.0079 in.
Brush Length 18.0 mm
0.7086 in.
11.0 mm
0.4331 in.
Brush Length 18.5 mm
0.728 in.
5.0 mm
0.197 in.
Slip Ring O.D. 22.7 mm
0.894 in.
22.1 mm
0.870 in.
Glow Plug Resistance Approx. 1.0 Ω –
Float at Uppermost Position Resistance 1.0 to 5.0 Ω –
Float at Lowermost Position Resistance 103 to 117 Ω –
Coolant Temperature at 120 °C (248 °F) Resistance Approx. 16 Ω –
Coolant Temperature at 80 °C (176 °F) Resistance Approx. 50 Ω –
Coolant Temperature at 50 °C (122 °F) Resistance Approx. 149 Ω –