MacDon R113 - O-Ring Face Seal (ORFS) Hydraulic Fittings

REFERENCE
7.2.7 O-Ring F
ace Seal (ORFS) Hydraulic Fittings
1. Check components to ensure that the sealing surfaces
and fitting threads are free of burrs, nicks, scratches,
or any foreign mat erial.
Figure 7.14: Hydraulic Fitting
2. Apply hydraulic system oil to the O-ring (B).
3. Align the tube or hose assembly so that th e flat face
of the sleeve (A) or (C) comes in full contact with
O-ring (B).
4. Thread tube or hose nut (D) until hand-tight. The nut
should turn freely until it is bottomed out.
5. Torque fittings according to the values in Table 7.14
O-Ring Face Seal (ORFS) Hydraulic Fittings, page
271.
NOTE:
If applicable, hold the hex on the fitting body (E)
to prevent rotation of fitting body and hose when
tightening the fitting nut (D).
6. Use three wrenches when assembling unions or joining
two hoses together.
7. Check the final condition of the fitting.
Figure 7.15: Hydraulic Fitting
147910 270 Revision A