4 Operation
36 TW85
4.2 Engine
4.2.1 Starting the engine
Each time before putting the machine
into operation, the inspections according
to section 7.8 must be carried out.
Before switching on the engine, take care
to ensure that no one is in the immediate
vicinity of the machine or in the danger
zone.
• All gearshift levers to neutral.
• Switch on the parking brake (11/63), direction-
of-travel preselector (11/15) in position "0".
• Insert ignition key in pre-heat/ starter switch
(11/48).
• Turn clockwise to “1”; the indicator lamps
(11/26, 11/28) light up.
• Pre-heating starts; the indicator lamp (11/27)
lights up.
• Press the accelerator pedal (11/13) to the half-
open position for normal start and to the
quarter-open position for hot start.
• After the preheating indicator lamp (11/27) has
gone out, turn the pre-heat/starter switch to “2”.
As soon as the engine is running, turn the
ignition key to “1” and decrease the revs to low
idle speed. The indicator lamps should go out.
• If the engine has not started after max. 15 sec.,
turn the ignition key to “1” or “0”, and pause for
at least 1 minute before trying again. Repeat
the start-up procedure.
Do not drive the engine at full throttle
straight away. Drive with restraint until
the operating temperature of the engine
has been reached.
HM32-011
26
27
28
48
63
15
13
0
4/4
,
!
P
P
Fig. 11 Operation
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