Graco HFRL, Руководство по установке и эксплуатации

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Maintenance
50 3A2175Z
Clean Orifice Valves
Only for MD2 Valve using Orifice Block Kit 24E505 and
an orifice.
NOTE: 24E505 does not come with an orifice.
1. Follow Pressure Relief Procedure in MD2 valve
manual.
2. Use 5/16 in. nut driver to remove orifices.
3. Remove cap from orifice.
NOTE: The cap is held in place with reverse threads.
4. Remove needle from orifice. Thoroughly inspect all
o-rings and replace if necessary.
5. If necessary, use drill bit that is the same size as the
orifice to drill out the orifice. Orifice size is marked
on the orifice.
6. Liberally lubricate all o-rings.
7. Reassemble in reverse order. Torque orifices into
fluid housing to 20-30 in-lb (2.26-3.39 N•m).
NOTICE
To prevent cross-contamination of the orifices, do
not interchange A component and B component
parts. The A component orifice is marked with an A.