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Washing or replacing the nozzle
1. The nozzle is spring loaded. Remove the set
screw and loosen the adjusting screw until it can
be loosened by hand.
2. Loosen the retaining nut, remove the nozzle and
wash the needle valve and body.
IMPORTANT! When pulling out the nozzle, do
not damage the tip.
3. Wash the nozzle in clean diesel fuel oil. After
washing, assemble the needle valve and body in
clean diesel fuel.
NOTE! The needle valve and body are finely finished.
Do not change the pairing of needle valve and body
when cleaning more than one nozzle at the time
4. Tighten the retaining nut to the specified torque.
5. If the spray pattem is still bad after the nozzle has
been adjusted and cleaned, replace the nozzle.
NOTE! New nozzle tips are coated with vaseline to
preserve them. Wash them in diesel fuel before you
install them.
NOTE! Avoid getting "Copa slip" or "Molycote" on the
needle.
Group 23 Fuel System
151
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