253ARR1575
F25
F21-24
K4
K2
K3
K5
K6
WORKSHOP MANUAL
15.3 Electrical installation
15.3.1 Engine compartment
Engine compartment relays / fuses
Functions of the engine compartment relays
Functions
K2 Ignition relay, ignition lock
K3 Timer 1 s, input coil
K4 Relay, input coil, tripping magnet
K5 Speed magnet
K6 Preheating relay
CAUTION!
K3 is located on the back of the plate.
Engine compartment fuses
Fuse no. Value Protected electric circuit Socket
F21 40 A
Input coil, tripping
magnet
A-1
F22 10 A
Diesel fuel pump,
alternator 15+
B-2
F23 40 A Speed magnet C-3
F24 40 A Preheating plug D-4
F25 40 A
2. Single coil (Tier 4)
(optional equipment)