Genie GTH-1544, Руководство по обслуживанию и ремонту

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2-10 GTH-1544 Part No. 1272857
September 2016 Section 2 • Specifications
SPECIFICATIONS
Torque Procedure
Seal-Lok
TM
fi ttings
1 Replace the O-ring. The O-ring must be
replaced anytime the seal has been broken.
The O-ring cannot be re-used if the fi tting or
hose end has been tightened beyond fi nger
tight.
Note: The O-rings used in the Parker Seal Lok™
fi ttings and hose ends are custom-size O-rings.
They are not standard SAE size O-rings. They are
available in the O-ring
fi eld service kit (Genie part
number 49612).
2 Lubricate the O-ring before installation.
3 Be sure that the face seal O-ring is seated and
retained properly.
4 Position the tube and nut squarely on the face
seal end of the fi tting and tighten the nut fi nger
tight.
5 Tighten the nut or fi tting to the appropriate
torque per given size as shown in the table.
6 Operate all machine functions and inspect the
hoses and fi ttings and related components to
con fi rm that there are no leaks.
JIC 37° fi ttings
1 Align the tube fl are (hex nut) against the nose
of the fi tting body (body hex fi tting) and tighten
the hex nut to the body hex fi tting to hand-tight,
approximately 30 in-lbs / 3.4 Nm.
2 Make a reference mark on one of the fl ats of
the hex nut, and continue it on to the body hex
fi tting with a permanent ink marker. Refer to
Figure 1.
3 Working clockwise on the body hex fi tting,
make a second mark with a permanent ink
marker to indicate the proper tightening
position. Refer to Figure 2.
Note: Use the JIC 37° Fittings table on the
previous page to determine the correct number of
fl ats for the proper tightening position.
Note: The marks indicate that the correct
tightening positions have been determined. Use
the second mark on the body hex
fi tting to properly
tighten the joint after it has been loosened.
4 Tighten the hex nut until the mark on the hex
nut is aligned with the second mark on the body
hex
fi tting.
5 Operate all machine functions and inspect the
hoses and fi ttings and related components to
con fi rm that there are no leaks.
a
b
c
a
b
c
b
Figure 1
a hex nut
b reference mark
c body hex fi tting
Figure 2
a body hex fi tting
b reference mark
c second mark