Removal Of Nozzle - Doosan DP158L Series Operation & Maintenance Manual

4. Regular inspection
3. Check the nozzle spray status. If it is defective, replace
the nozzle.
CAUTION
• As the nozzle injection nozzle is designed to operate
under high pressure, you should handle it with
special care.
• Do not hold your hands under the fuel jet, as there
is a rise of injury. Do not inhale the atomized oil fuel.
If possible, work under an extraction system.
normal
Engine Model
DP158LCS
DP158LCF
DP158L
DP158LDS
DP158LDF
DP180LBS
DP180LBF
DP180L
DP180LAS
DP180LAF
DP222LAS
DP222LBS
DP222L DP222LBF
DP222LCS
DP222LCF
abnormal

Removal of nozzle

Nozzle injection
1. Remove fuel injection pipe between nozzle holder and
pressure (Mpa)
28
2. Remove fuel return pipe.
3. loosen the Union screw(A) of nozzle holder with Nozzle
28
28
4. Remove nozzle holder with sealing from the cylinder
28
28
28
28
28
28
28
28
28
28
56
abnormal
injection pump.
plug socket (EI.03004-0225)
head.
Nozzle plug socket
Sealing
DV2213165A
A
Dust seal
DV2213166B