Sagola 3300 GTO Manual De Instrucciones página 35

12.1. Changing the self-adjusting Packing gland
The needle gaskets (packing gland) that form part of the packing gland are gun components that
should be replaced when malfunctions occur or when there is a loss of air tightness.
• Gun head packing gland: In order to replace the packing gland, remove the product regulator (No.20)
(see Fig.01), and extract the product needle and spring fitted with its stop (see Fig.02). With a 13 mm.
fixed wrench, remove the packing gland to be replaced. Replace the packing gland and reassemble in
the reverse order (see Fig.03).
Fig.01
• Changing seat valve: For removal of the valve seat; remove the product regulator and extract the
product needle and spring fitted with its stop. (See Fig.01 and 02). With a 9 mm Allen wrench, remove
the guide box, extracting the valve spring and the valve (see Fig.04 , 05 and Fig.06).
After take the key assembly supplied with the gun and proceed to remove the valve seat with hook key.
(See Fig.07 and 08)
For assembly, follow the reserve procedure. (see Fig.08)
Fig.04
• Packing gland of the air valve: Remove the product regulator and extract the product needle
and spring fitted with its stop (see Fig.01 and 02). With a 9 mm. Allen wrench, remove the guide box,
extracting the valve spring and the valve (see Fig.03, 04, 05 and 06).
Them with a 6 mm. Allen wrench, remove the packing gland and extract the gasket (see Fig.09 and 10).
Replace the packing gland and the washing support gasket (supplied in the specific kit) and follow the
reverse procedure.
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Fig.02
Fig.05
Fig.07
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Fig.03
Fig.06
Fig.08
EN 35