Yanmar 4LHA-HTP Operation Manual page 492

Chapter 4 Intake and Exhaust System
4. Turbocharger
(2) Cleaning procedure
Part
Tools and detergent
(1) Turbine
1. Tools
shaft
1) Washing bucket
2) Heat source:
3) Brush
2.
(2) Turbine 1. Tools
housing Same as those for
turbine shaft
2. Detergent
Same as that for
turbine shaft
3) Blower
1. Tools
impeller
1) Washing bucket
and
housing
2) Brush
2. Detergent
4) Others
(1) Wash all other parts with diesel oil.
(2) Clean all lubricating oil paths by blowing with compressed air.
(3) Be especially careful so as not to damage and get them rusted.
(500 x 500)
Steam or gas burner
Detergent
General carbon
removing agent
available in the
market
(500 x 500)
Cleaning procedure
1) Immerse the turbine shaft in the washing
bucket filled with detergent and warm up.
Do not strike the blade to remove the
carbon.
2) Immerse in the detergent until the carbon
and other deposits are softened.
3) Use a plastic scraper or hard hair brush to
remove the softened deposits.
4) Pay full attention so as not to damage the
bearing surface and seal ring groove of the
turbine shaft.
5) Any deposit remaining on the turbine shaft
due to improper washing may cause
unbalancing. Be sure to remove
thoroughly. Never use a wire brush.
1) Immerse the turbine shaft in the washing
bucket filled with detergent and warm up.
Do not strike the blade to remove the
carbon.
2) immerse in the detergent until the carbon
and other deposits are softened.
3) Use a plastic scraper or hard hair brush to
remove the softened deposits.
1) Immerse in the detergent filled in the
washing bucket until the deposit is
softened.
2) Use a plastic scraper or hard hair brush to
remove the softened deposits. Never use
a wire brush.
4-15
4LHA Sen