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Maintenance
2.5
SAE O-Ring Fitting Installation
1. Pull washer and o-ring back as far as possible.
2. Lubricate o-ring (1) and entrance port (2).
3. Screw fitting in until washer pushes o-ring into entrance and
sits flat against port. (Do not tighten! - only do this step hand
tight to compress o-ring into port!)
4. Back fitting out no more than one complete turn to align as
required.
5. Torque nut wrench tight holding backup on fitting (3). This
should expose a recess gap (4) behind the nut which can act
as an indicator that the fitting is assembled correctly. (This is a
feature for a specific version of this fitting only - which screws
into the cylinder head. Other fittings, as the ones which attach
to the hydraulic pump, assemble the same but may not have
the indicator.)
3
4
Avoid screwing in the fitting too far. This can cause
the washer to bend, which will cause the O-ring to
extrude.
Attention
Avoid leaving the fitting out too far. This can lead to
the O-ring being cut on the threads of the fitting.
1
2
GB
12
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