- 78 - Workshop Manual LDW CHD _ cod. 1.5302.345 - 6° ed_rev. 05
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Wiring diagram 24 V with alternator 35A
1 Alternator
2 Starter Motor
3 Battery (See below for sizing details)
4 Glow Plugs
5 Thermistor (Glow Plug Controller Circuit)
6 Glow Plug Controller / Timer
7 Key Switch
8 System Fuse
9 Fuse (Accessory)
10 Fuel Valve
11 Glow Plug Indicator Lamp
12 Coolant High Temperature Lamp
13 Coolant High Temperature Switch (N.O.)
14 Oil Pressure (Low) Lamp
15 Oil Pressure Switch (N.C.)
16 Alternator Charging Lamp (Off if Charging)
17 Diode
18 Air Filter High Restriction Indicator
19 Air Filter Restriction Switch (N.O.)
20 Low Fuel Level Lamp
21 Low Fuel Level Switch (N.O.)
A Accessory
B Off Position
C On Position
D Starting Position
Normal starting conditions:
Capacity (K20) = 88 Ah
Rapid discharge intensity (DIN standards at -18°C) = 330 A
Heavy starting conditions (max admitted):
Capacity (K20) = 110 Ah
Rapid discharge intensity (DIN standards at -18°C) = 450 A
Note: This electric starting diagram holds for both 45A and 65A
alternators.
Battery 3 is not supplied by LOMBARDINI.
Anyhow, for installation we recommend a battery for all
the range of engines with the following particulars, see
following table.
Connection diagram for preheating control unit
Components:
1 Cable cross-section 2.5 mm
2
at point “50” of the key panel
2 Cable cross-section 6 mm
2
at the fuse holder box
3 Cable cross-section 1.5 mm
2
at the earth
4 Cable cross-section 1 mm
2
at the spark plug warning light (max. 2 W)
5 Cable cross-section 6 mm
2
at point “30” of the key panel
6 Cable cross-section 1 mm
2
at the water temperature sensor
7 Cable cross-section 1.5 mm
2
at the fuse
Electric system
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