NANO D1-C, Руководство по техническому обслуживанию

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17
D3
heatless desiccant air dryer
4.3 service ‘C’ instructions - inlet valve
replacing inlet control valves - (Every 4 years or 24,000 hours)
Coaxial
Valves
Figure C.3 - If the Inlet valves are not intented to be serviced,
continue to page 15
1. Ensure the dryer is shut down and fully depressurised
(See page 8, section 4.1).
2. Remove the flange and remove the 8 x M10 socket head cap
screws and washers to release the valve block from the bottom
manifold.
3. Remove the inlet valves from the orifice within the botton
manifold and discard.
4. light grease and insert the valves into the orifices within the
bottom manifold ensuring the flow direction arrow is pointing as
shown and the valve ridge details [Fig C.3.1] cover the spill port.
(See figure C.3.2).
5. Place the valve block to the bottom manifold and insert the 8 x
M10 socket head cap screws and the 8 x washer, tightening to
a torque setting of 40Nm. Refer to page 19-20 and follow the
correct tightening sequence when replacing the valve block.
6. Refit the inlet flange and start up the Dryer (page 8)