Driving The Excavator; Preheating Start Switch; Throttle - Wacker Neuson 2503 Operator's Manual

3.4 Driving the excavator

Preheating start switch

1
0
2
19
Fig. 75: Preheating start switch

Throttle

A
B
16
Fig. 76: Engine speed control Tier III
A
16
B
Fig. 77: Engine speed control Tier IV
OM 25-3503 us – Edition 4.1 * 2503_3503b320.fm
Position
3
0
1
2
3
On machines with Tier III engines, the throttle 16 controls the engine speed progressively
as follows:
☞
Push throttle 16 upward (A).
➥
Engine speed is reduced.
☞
Push throttle 16 down B.
➥
Engine speed is increased.
On machines with Tier IV engines, throttle 16 controls the engine speed progressively as
follows:
☞
Push throttle 16 upward (A).
➥
Engine speed is increased.
☞
Push throttle 16 down B.
➥
Engine speed is reduced.
Function
Insert or remove the starting key None
ON/machine travel position
Preheats the engine (10 – 15
seconds)
Starts the engine
Operation
Power consumer
All functions are operational
➥
Indicator lights illuminate
➥
Shrill sound
➥
Starter is actuated
➥
Indicator lights must go out
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