MTU Detroit Diesel 183 Series Technical Publication page 49

General
00-0007 Engine Condition Check before W5 Overhaul and Main Overhaul
Before the engine is removed, a brief test should be conducted to assist in evaluating its condition and running
behaviour. Deviations from the Engine Acceptance Test Record Data found during the test run provide valuable
information for subsequent overhaul services.
Instructions for carrying out work:
− B = Operating Instructions
− P = MTU Test Kit
Operations
Perform operations preparatory to starting the engine
Start engine
Perform warm-up run
Test engine at highest possible power
Check engine speed, temperatures and pressures, where gauges are installed and compare with
Acceptance Test Record
Check running noises: No noises other than normal operating noise should be audible
Check engine and external pipework for leaks during test run (visual inspection)
Check exhaust gas colour
Run engine at lower adjustable no-load speed
Connect fuel line connections for leaks
Extract sample of engine oil
Analyze engine oil sample (spot test, water content, dilution with fuel)
Extract sample of coolant
Analyze coolant sample
Check operation of monitoring system
Air filter: Check contamination indicator
Shut down engine
Check turbocharger rundown
Drain coolant
Fill system with cleaning solution
Start engine
Flush cooling system
Shut down engine
Disconnect H.P. fuel lines
Remove fuel injection nozzles with nozzle holders
Compression pressure check
Work listed here which is not relevant to the respective engine version can be disregarded.
20080/1 E 98-12
Group 00
Subgroup 0007
Page 1
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