MAIN ENGINE FUEL PUMP BASE HOLDING SCREWS:
Ship : Container – Feedership “Tiger force”
Main engine : MAK (M.A.N) Medium speed engine 6 unit.
On starting M/E one unit temp exhaust temperature found going high.
Exhaust v/vs pocket type, fuel injector, high pr. Line, cylinder head replaced with spare ones. Still exhaust temperature going high. Timing checked all OK Finally problem was located.
Base plate below fuel pump holding down counter sunk bolts broken same renewed. Engine started and found exhaust temperature ok.
Reason : Fuel p/p moving up slightly disturbing injection timing.