Fig. 7 Coolant pre-heating
1 Bodywork
2 Connecting socket for coolant pre-heating
3 Instrument panel
4 Coolant pre-heating
5 Engine
The ideal coolant pre-heating period is 2-3 hours before the machine is started. A pre-heating peri‐
od of more than 3 hours is not necessary, as the maximum effect has already been achieved within
this period (thermal balance).
Further information Starting the coolant pre-heating (see chapter 8.4).
4.6.3 Option oe
Sealed floor pan
The sealed floor pan catches any spilt or leaking operating fluids.
These may include:
■
compressor cooling oil
■ engine oil
■ engine coolant
■ fuel
■ battery electrolyte
The drains from the oil separator tank, oil cooler and engine sump are fitted with hoses that lead to
shut-off valves. The shut-off valves are next to each other at a conveniently accessible location.
This greatly simplifies oil changing. The shut-off valves are within the machine enclosure on the
right side (facing direction of travel).
Further information See chapter 10.4.3.1 for cooling oil drainage.
Further information See chapter 10.3.4.1 for engine oil drainage.
4.6.4 Option oa
Battery isolating switch
The «battery isolating switch» disconnects the battery completely from the machine's electrical sys‐
tem (fire protection, battery discharge protection).
The «battery isolating switch» is within the bodywork on the lifting frame on the right side of the
machine.
4 Design and Function
4.6 Options
32
Service Manual Screw Compressor
M43 No.: 9_9432 02 E
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