Limit Switch For Start Interlock ‒ Check - MTU 20 V 4000 M93 x Operating Instructions Manual

7.20.3 Limit switch for start interlock ‒ Check
Preconditions
☑ Engine is stopped and starting disabled.
Note: In the OFF position, the limit switch initiates a start interlock, i.e. the engine cannot be started.
Checking limit switch for start
interlock
1. Check whether switches (3) and guard
plate (1) with engine support (4) are instal-
led on both sides of flywheel housing (2).
2. Check whether both switches (3) are actu-
ated.
3. If switches (3) and/or guard plate (1) with
engine support (4) is/are not installed:
• Screw on guard plate (1) with engine
support (4).
• Then screw on switch (3), ensuring that
the switch (3) is actuated by the guard
plate (1).
4. If switch (3) and guard plate (1) are instal-
led, but switch (3) is in the OFF position:
• Make certain that the guard plate (1) at
the side of the switch (3) is not distort-
ed.
• Release guard plate (1) and screw on
such that the switch (3) is actuated.
MS150048/04E 2013-07 | Task Description | 177