Doosan DA40 - Fluid stroke

Engine
SHOP MANUAL
Ch 1 page 241
Fluid stroke
Eect Cause Trouble shooting Action
Starter motor not
powerful enough to
pull the piston over
the compression
stroke (if the engine
res a connecting
rod could be bent)
Leaky charge air cooler
Test pressure (air
0.5 bar, liquid 4 bar)
Leaky cylinder head
gasket
Crack in cylinder head
If the fault is hard to trace:
Change all cylinder heads for exchange cylinder
heads.
(Or test pressurize all cylinder heads. Heat the cyl-
inder heads before pressurizing them.)
Crack in cylinder liner
Starter motor not
powerful enough to
pull the piston over
the compression
stroke (if the engine
res a connecting
rod could be bent)
Water has entered the
engine via the exhaust/
intake system
- Install a self-closing
cover on the exhaust
pipe
- Position the air cleaner
so that water cannot
run into it
Crack in water-cooled
exhaust manifold
Injector open