Doosan D55SC-5 Service Manual

D439E Service Manual 2. Engine Mechanical System (D439E)
121
Yes
Replace.
No
Replace the cylinder head
gasket.
Any gas in the coolant leaked from
cylinder head gasket?
No
Replace the pressure valve.
• Is the pressure range correct in
the pressure valve?
• Is gasket in good condition?
Yes
Yes
Replace the hose.
Cracked or dama
g
ed hose?
There is heavy loss of coolant.
No
Is the radiator hose leaking?
No
Tighten the clamp.
Does the hose clamp ti
g
hten
properly?
Yes
No
Is the radiator core leaking?
Repair or replace the
radiator.
Yes
No
Is the water pump leaking?
Replace the O-rin
g
No
Is the radiator pressure pump leaking?
Check the possible leaking spots of the
engine.
Yes
Yes
Defective or dama
g
ed O-rin
g
?
No
Tighten the bolts.
Are bolts tightened properly?
No
Is the oil cooler leakin
g
?
Yes

Doosan D55SC-5 Specifications

General

Brand	Doosan
Model	D55SC-5
Category	Forklifts
Language	English