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Maintenance
313872B 29
Clean Orifice
1. Follow Pressure Relief Procedure on page 22.
2. Use 5/16 in. nut driver (supplied) to remove
orifices (C). See FIG. 4 on page 16.
NOTE: The cap is held in place with reverse threads.
3. Remove cap (26) from orifice (25). See Parts on
page 42.
4. Remove needle (60) 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. Use Fusion grease to liberally lubricate all o-rings.
7. Reassemble in reverse order. Torque orifice body
into orifice cap to 60-70 in-lb (6.78-7.91 N•m).
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.