MTU 12 V 4000 M23F Operating Instructions Manual page 163

2. Engage barring device (2) in ring gear of fly-
wheel and mount on flywheel housing.
3. Fit ratchet (1) onto barring device (2).
Note: No resistance other than compression re-
sistance must be encountered.
4. Rotate crankshaft in engine direction of ro-
tation.
Result: If the resistance exceeds the normal com-
pression resistance, contact Service.
5. Barring device is removed by same proce-
dure in reverse.
MS150068/01E 2014-01 | Task Description | 163