Generator and starter — technical characteristics (Sierra)

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Generator



A generator with a built-in electronic regulator is used.

Brand and type: Bosch N1-31/70 A, Bosch K1-23/55 A, Lucas A1-33/55 A or Bosch N1-34/90 A.

Characteristics of generators



Brand
Bosch
Bosch
Lucas
Bosch
Type
N1-31/70 A
K1-23/55 A
A1-33/55 A
N1-34/90 A
Maximum current (A) at 13.5V
70
55
55
90
Winding resistance (at 20°C):
- rotor (Ohm); – stator (Ohm).
2,9 – 3,19 0,1 – 0,11
3,4 – 4,74 0,07 – 0,077
3,0 – 3,4 0,20 – 0,25
3,40 – 3,74 0,10 – 0,11
Minimum brush length (mm)
5
Adjustable voltage (V)
13,7 – 14,6

DOHC Engine V-Belt



Make and type: Motorcraft GPK 1820 LEL 2780

Tension (measured on a cold belt using a special device):
  • new belt: 400–500 Nm;
  • used belt (after at least 10 minutes of operation): 300–400 Nm.

Deflection: 10 mm under thumb pressure in the middle of the longest section of the belt.

Starter



Brand and type: Bosch EF 0.95 kW, Bosch DM 1.0 kW or Bosch DW 1.4 kW.

Characteristics of starters



Type
EF 0.95 kW
DM 1.0 kW
DW 1.4 kW
Current (A):
- maximum at 11 V; – at 6.5 V (rotor is fixed)
65 350
65 490
75 710
Torque with rotor fixed (Nm)
10
15
15
Minimum brush length (mm)
8
13
8
Minimum collector diameter (mm)
33,5
32,8

Other information concerning the technical characteristics, adjustment and repair of electrical equipment is given in section 12 and in subsection 3.1.3.21.






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