95
Operating instructions Crawler Excavator TC37
Appendix
9
9
Appendix
9.1
Electrical system
Fig. 65
Fuse and relay box – assignment diagram
HR3.7-04-E01
0
4/4
h.
R
K 6
K 5
V 1
Item
Amps
Assigned to
FA
30 A
Input fuse
FB
60 A
Fuse for pre-heater system
F1
15A
Instrument cluster, immobilizer
F2
10A
Fuel pump, generator
F3
15A
Working floodlights, front
F4
15A
Working floodlights of boom, rear working floodlights
F5
10A
Travel fast/slow, travel motion alarm
F6
10A
Swing brake, dozer blade
F7
15A
Heater fan
F8
15A
Washer and wiper system
F9
10A
Horn, radio
F10
20A
Optional:
2nd control circuit,
optional
: electrical seat, air conditioning system
F11
5A
Instrument cluster, immobilizer
F12
10A
Interior light, radio, rotating beacon
F13
20A
Socket
F14
15A
Optional
: Refueling pump
K1
–
Main relay
K2
–
Swing brake
K3
–
Dozer blade
K5
–
Driving forward (travel motion alarm)
K6
–
Driving in reverse (travel motion alarm)
K10
–
Glow plug timing unit
K12
–
Time relay engine shut-off
V1
–
Diode block (travel motion alarm)
Tab. 23 Assignment
Abbrev.
Color
Abbrev.
Color
Abbrev.
Color
Abbrev.
Color
bg
beige
dgr
dark gray
hbr
light brown
rt
red
bl
blue
ge
yellow
hgr
light gray
sw
black
br
brown
gn
green
hr
light red
vie
violet
dbl
dark blue
gr
gray
nt
natural colors
ws
white
dbr
dark brown
hbl
light blue
or
orange
Tab. 24 Cable and plug colors