7) Water temperature inspection
•
Inspect the wax case and spring for
any damage.
•
With putting the water temperature
gauge into water and heating the
water at the indirect method, when the
water temp reaches to 71
˚
C, the
valve begin to open and fully open
when it reaches to 85
˚
C.
•
Measure the valve opening temperature
and the valve full opening temperature
and inspect if the valve lift is more
than 8mm and if abnormal, replace it.
8) Injection nozzle
•
Set the nozzle assembly between the
vise holder and disassemble it.
•
Remove the nozzle nuts and
disassemble the inner parts.
•
Inspect the disassembled parts if there is
any damage, replace it.
•
Assembling can be done in the
reverse order of disassembling.
•
After assembling the nozzle, set it in the
injection pressure measuring tester.
•
By manipulating the tester handle, inspect
the injection pressure and atomizing state.
<Operating pressure>
- 92 -
1
2
4
5
7
8
6
3
EFM2054I
Nozzle holder body
Cap nut
Adjusting shim
Compression spring
Spindle
Spacer
Nozzle nut
Nozzle
EPM2012I
Bar
Temp. gauge
Wooden plate
New nozzle holder
300 + 8 kg/cm
2
Used nozzle holder
285 + 8 kg/cm
2
EFM2056I