SECTION 3 - CHASSIS & TURNTABLE
3121774
3-11
Electric Motor Function System
Operating with the electric motor, there is unique func-
tions speed.
Summing oil flow
(2)
- Operating with the electric motor
the sum of the oil flow is feasible for telescope function
only.
Engine RPM Control System
The demand of the appropriate pre set engine rev come
from the Master board (ECM1) and signal is sent through
the Engine relays board, Engine bridge box 1 and 2 to the
electronic board (Honda Engine) or to the piston actuator
for the Diesel engines.
The Engine relays board is the same for gasoline or diesel
machines, even some relay has different functions. The
Engine relays board and the bridge boxes 1 and 2 are
mounting in the electric components compartment, on
machine rear side.
See Figure 3-25. Engine relays board mount below the
Modem board.
See Figure 3-26. Engine bridge boxes 1 and 2 mounted at
the side of the hydraulic pumps coupling.
Figure 3-25.
Figure 3-26.
MODEM
BOARD
ENGINE
RELAYS
BOARD
HYDRAULIC PUMPS
COUPLING
ENGINE BRIDGE
BOX 1
ENGINE BRIDGE
BOX 2
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