Manitowoc Grove RT770E - Page 130

ELECTRICAL SYSTEM RT770E SERVICE MANUAL
3-6
Published 11/26/2014, Control # 447-05
Ignition key switch is in the ACC and RUN positions.
ACC Relay #2 is not energized while in START position.
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4
5
6
7
8
9
1
2
3
Item Description
1 Power Relay (K301)
2 Start Relay (K303)
3 Grid Heater Relay (K302)
4 250 Amp Fuse (F53)
5 100 Amp Fuse (F54)
6 100 Amp Fuse (F55)
7 100 Amp Fuse (F56)
8 100 Amp Fuse (F52)
9 250 Amp Fuse (F51)
10 Fuse and Relay Panel (see Figure 3-7)
FIGURE 3-6
10
FIGURE 3-7
5
6
7
4
3
2
1
Item Description
1 ECM, 30 Amp Fuse (F1)
2 Cranestar, 5 Amp Fuse (F2)
3 Carrier, Rear Module, 25 Amp Fuse (F3)
4 Carrier, Rear Module, 30 Amp Fuse (F4)
5 Carrier, Front Module, 30 Amp Fuse (F5)
6 Power Control Relay, 5 Amp Fuse (F6)
7 120 Ohm Resistor, Starter Lockout Circuit
8 Relay KC1, Power Control Relay
9 Relay KC2, Remote Crank Relay
7860
8
9