WinGD WARTSILA RT-flex58T-E - Page 165

Maintenance
2722−1/A2
RT-flex58T-E
Winterthur Gas & Diesel Ltd.
9/ 12
7. Nozzle tip − replace
Ensure that always specified nozzle tips are used in accordance with the IMO
Technical File of the engine.
Remark: The injection valve with the new F
uel Actuated Sacless Technology is
specified with the abbreviation FAST.
7.1 Removal
It is not recommended but possible to replace the nozzle tip
with the needle installed. Remove only lock nut 7 according
to paragraph 4 and proceed with disassembly tool 94278A.
⇒ Disassemble the injection valve, see paragraph 4.
⇒ Make sure that the needle 5 is removed from the
nozzle body 4, see Fig. D.
⇒ Attach the nozzle body 4 with coupling nut 6 to the
injection valve 1 on the injection test bench.
⇒ Screw the hex nut D1 (94278A) over the nozzle body
4.
⇒ Put the plate D2 in the clearance between the nozzle
body 4 and the nozzle tip 12.
⇒ Turn the hex nut D1 upwards to withdraw the nozzle
tip 12. Do it carefully if the needle is installed.
⇒ Remove the nozzle tip 12 from the nozzle body 4.
⇒ Remove the tool 94278A from the nozzle tip 12.
2015−08
Injection Valve: Checking, Dismantling, Assembling and Adjusting Injection Valve with FAST
D1
D2
94278A
12
WCH02740
6
WCH02741
D1
D2
E
5
12
4