8.5 Option ba
Using the low-temperature equipment
Pre-heating the engine cooling water
➤ Start the engine coolant pre-heating as described in chapter 7.4.2.
8.6 Option lb
Shut down the machine if any dangerous situation arises
If there is a danger of the engine drawing in flammable gas the air intake shut-off valve can be
manually closed to bring it to an immediate stop.
A handle is provided to close the air intake valve. A wire pulls the valve closed preventing air enter‐
ing the engine and causing it to stop.
Precondition Flammable gas is detected in the surrounding air.
Fig. 39 Handle for manually closing the engine air intake valve
1
Handle
2
Pull wire
Closing the engine air intake valve manually
➤ Pull the handle out as far as it will go and hold until the engine comes to a complete stop.
Shutting down the machine:
1. Switch the «Control ON» key to the off position.
2. Switch the «battery isolating switch» to the 'off' position.
Put the machine back into operation:
The engine air intake valve is self-opening but this can take a few minutes. The pull wire can‐
not be pushed in!
Check whether the handle has returned to position and the engine air intake valve is open again.
The engine cannot be started if it cannot draw in air.
Precondition No flammable gas mixture in the ambient air.
8
Operation
8.5
Using the low-temperature equipment
84
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
Option bb
