Task Description; Engine; Engine - Barring Manually - MTU 20 V 4000 M93 x Operating Instructions Manual

7 Task Description

7.1 Engine

7.1.1 Engine – Barring manually
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Barring device
Ratchet head with extension
DANGER
Rotating and moving engine parts.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Before cranking the engine, make sure that there are no persons in the engine's danger zone.
• After finishing work on the engine, make sure that all safety devices are put back in place and all
tools removed from the engine.
Engine – Barring manually
1. Remove guard plate.
Result: Safety switch preventing engine starting is
activated.
2. Engage barring device (2) in ring gear (3)
and install on flywheel housing.
3. Apply ratchet (1) to barring device (2).
4. Rotate crankshaft in engine direction of ro-
tation. Apart from the normal compression
resistance, there should be no resistance.
5. For barring device removal, follow reverse
sequence of working steps.
MS150048/04E 2013-07 | Task Description | 109
Part No. Qty.
F6555766 1
F30006212 1