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
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