E
l e c t r i c a l s y s t e m
The electrical system also includes as accessories re-
lays for the monitoring of the engine's refrigerant tem-
perature and oil pressure.
The electrical system is illustrated in two ways. The wir-
ing diagram (page 80) shows the wiring, cable areas
and colours.
G e n e r a l
The engines are fitted with AC generators. The system
voltage is 12V.
MD2010A, -2020A, -2030A and -2040A are fitted with a
1,5-pole*
electrical system, while MD201OB/C, 2020B/
C, 2030B/C and 2040B/C have a one-pole system.
Where respective parts are positioned on the engine is
shown in the figures below.
Note: One-pole during the start procedure via an
earthing relay.
P o sitio n in g o f e le c tric a l c o m p o n e n ts o n th e e n g in e
10
Fig. 111. Positioning of electrical components on the engine
1.
2.
3.
4.
5.
6.
7.
Starter motor
Earthingrelay(A-version)
Glowplug
8. Fuses (4 pcs),
max. 15A(-) (A-version)
9. Oil pressure relay,
Alternator
(accessory)
Starter relay
Glowrelay
Fuses (4 pcs),
max.15A(+)
10. Oil pressure sensor
11. Refrigerant temperature relay
(accessory)
12. Refrigerant temperature sensor
68
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD2010, Volvo Penta MD2020, Volvo Penta MD2030, Volvo Penta MD2040 |
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| Copyright | Attribution Non-commercial |
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Pages 58 and 59 are missing from Volvo Penta MD2010 MD2020 MD2030 MD2040 Workshop Manual. I need only these pages at present!