2003T Turbo-Compressor Where there is an excessive amount of smoke in the exhaust fumesor the engineoutputis particularlylowit may be that the turbo-compressor is not functioning properly . If the boat's speed through the water is gradually decreasing, the boat's bottom should also be inspected, and cleaned where necessary . Check that the air intake has not become clogged, and clean the intake silender . Inspecting the Seals Check the joints between the turbine housing and the compresor bearing housing, and between the compressor bearing housing and the compressor housing . Checks Check the pre-injection angle, the injector's opening presure and the spray pattern .
The valve clearance and compresion should also be checked . 23 . Fill up with lubricating oil to the correct level . Regarding quantity and quality, see under "Technical Data" . Checking axial and radial clearance Dismount the turbo-compressor from the engine, and measure the rotor unit's axial and radial clearance . Maximum permissible axial clearance 0 .09 mm 24 . Venting the fuel system A . Open the venting screw on the fuel filter approx . 4 turns . Watch out for fuel-splashes . B . Use the hand-pump to pump fuel until fuel free from air bubbles is coming out . Close the venting screw . C . Ease off the fuel pressure pipe nuts at the injectors .
Position the throttle control in the position for full speed and turn the engine with the starter motor until fuel comes out of the fuel pressure pipes . Tighten the fuel pressure pipe nuts . Maximum permissible radial clearance 0 .17 mm If wear and tear has reached the maximum permissible the turbo-compressor should be reconditioned or replaced .