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How to change the needle nozzle set
How to change the needle nozzle set ?
Q: How to change the needle nozzle set ?
A: setp 1: screw off parts no. 1,2,22,21 as shown in the picture.
setp 2: push down the trigger to take out parts no. 20 easily.
step 3: replace new needle nozzle set.
setp 4: put back part no. 21, 22.
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