12
8.5
Replacing the Seal Packing
To replace the seal packing proceed as follows:
1)
Unscrew spring bushing (Fig. 3, item 310) from spray gun housing (Fig. 3, item 301) and
remove it together with the nozzle needle (Fig. 3, items 311 to 313).
2)
Withdraw the trigger (Fig. 3, item 304) sideways out of the gun housing.
3)
Unscrew the slotted screw (Fig. 3, item 307) from the nut and take out the faulty packing.
4)
Unscrew nozzle ring (Fig. 3, item 321) and take out air-head (Fig. 3, item 320).
5)
Unscrew nozzle and push the nozzle needle forwards through the adapter
(Fig. 3, item 303).
6)
Slip the new packing and the slotted screw on to the projecting nozzle needle.
7)
Pull back the nozzle needle and screw the slotted screw into the nut using the nozzle
spanner.
8)
After inserting the nozzle needle in its normal position, check the spray gun for leaks.
Summary of Contents for PN 1
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