Torque - Standard Torque Data For Hydraulics - New Holland CornMaster 9208-22 Service Manual

Torque - Standard torque data for hydraulics

Installation of adjustable fittings in straight thread O-ring bosses
NOTICE: O-ring boss fittings can be used multiple times. Always inspect the O-ring for damage and lubricate the
O-ring with clean hydraulic oil or petroleum jelly at installation. Damaged O-rings will cause leakage and affect per-
formance.
Nonadjustable O-ring boss fittings
1. Inspect the components and make sure the port,
O-ring, sealing surfaces, and threads are clean, and
free of damage.
2. Install the O-ring if needed. Take special care not to
cut the O-ring on the threads.
NOTE: Apply electrical tape over the threads to pre-
vent O-ring damage if installing the O-ring, and then
remove the tape.
3. Lubricate the threads and O-ring with clean hydraulic
oil or petroleum jelly.
4. Install the O-ring (2) in the groove (4) adjacent to the
metal backup washer (1) which is assembled at the
extreme end of the groove.
5. Install the fitting into the SAE straight thread boss and
hand tighten until the metal backup washer (1) con-
tacts the face of the boss (3).
NOTICE: Do not over tighten and distort the metal
backup washer.
6. Using the proper size wrenches, holding the head end
of the fitting with a wrench, and then torque the locknut
(5) and washer (1) against the face of the boss (3) to
the proper specified torque value.
Adjustable (swivel) O-ring boss fittings
1. Inspect the components and make sure the port, O-ring, sealing surfaces, and threads are clean, and free of
damage.
2. Install the O-ring if needed. Take special care not to cut the O-ring on the threads.
NOTE: Apply electrical tape over the threads to prevent O-ring damage if installing the O-ring, and then remove
the tape.
3. Lubricate the threads and O-ring with clean hydraulic oil or petroleum jelly.
4. Install the O-ring (2) in the groove (4) adjacent to the metal backup washer which is assembled at the extreme
end of the groove.
5. Completely back-off the locknut (5) and washer (1) .
6. Install the fitting into the SAE straight thread boss and hand tighten until the metal backup washer (1) contacts the
face of the boss (3).
NOTICE: Do not over tighten and distort the metal backup washer.
7. Position the fitting as needed by turning the head of the fitting counterclockwise up to a maximum of one turn.
8. Using the proper size wrenches, hold the head end of the fitting with a wrench, and then torque the locknut (5)
and washer (1) against the face of the boss (3) to the proper specified torque value.
INTRODUCTION
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