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November 2021 Maintenance Manual

Hydraulic Specifications

Part No. 1305686GT Scissor Lifts 19

JIC 37° fittings

1 Align the tube flare (hex nut) against the nose

of the fitting body (body hex fitting) and

tighten the hex nut to the body hex fitting to

hand tight, approximately 30 in-lbs / 3.4 Nm.

2 Using a permanent ink marker, make a

reference mark on one the flats of the hex nut

and continue the mark onto the body of the

hex fitting. Refer to Illustration 1.

Illustration 1

1 hex nut

2 reference mark

3 body hex fitting

3 Working clockwise on the body hex fitting,

make a second mark with a permanent ink

marker to indicate the proper tightening

position. Refer to Illustration 2.

Note: Use the JIC 37° Fitting table in this section

to determine the correct number of flats, for the

proper tightening position.

Note: The marks indicate the correct tightening

positions have been determined. Use the second

mark on the body hex fitting to properly tighten the

joint after it has been loosened.

Illustration 2

1 body hex fitting

2 reference mark

3 second mark

4 Tighten the hex nut until the mark on the hex

nut is aligned with the second mark on the

body hex fitting.

5 Operate all machine functions and inspect the

hose, fittings and related components to

confirm there are no leaks.

Terex Genie GS-1330m Maintenance Manual

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