Anchor NAVI-TRAC LITE 30 THRU 50 WIDE User Manual

Preparation

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Assembly Instructions

NAVI-TRAC Liner

30’ thru 50’ Wide (Smooth or Gathered)

1

.

The NAVI-TRAC liner will be hoisted by ropes passing through pulleys
attached to the ridge brace pins or bracket near the peak of the frame.
It will be easier to install these peak/ridge pulleys AS the NAVI-TRAC
frame is being assembled and before the legs are installed (see fig.2).
The outer top should be installed before the liner.

3

.

2

.

Preparation:

Pass the eyelet of each pulley lanyard over the gravity
pins that secure the ridge braces on each side of the
NAVI-TRAC peak (see fig.2). (On 30’ wide units, a
beam bracket is supplied to secure directly to the
pulley.)
Pass the pull ropes through the pulleys so
that the quick links at the end of the ropes hang at
ground level. When ready, each rafter should have (2)
pulley lanyards with hanging ropes. (see fig.4)

Attach Pulley/Lanyards to Ridge Brace Pins:

Lap Liner Sections/Install Support Bars:

To join end and mid liner sections, overlap and
secure the matching velcro edges using the snap
fasteners. Then seal the velcro edges peak to eave.
Overlap the reinforcement peak patches, carefully
sealing the matching velcro. Align the holes of the
patches and insert the eye bolt down thru both
patches. From underneath, thread the eye nut onto
the eye bolt and tighten.

5.

Attach Liner at the (4) Corners:

After hoisting the liner to the peak of the frame and securing it,
drape the liner over the cross-cables, as needed (see fig.5-A).
Then, spread the liner to the (4) corners of the frame and secure
it by passing the liner corner straps around the hip pin just above
its R-shaped cotter key. Pass the loose end of the strap back
through its fastex buckle and tension it as needed (see fig.7-A).

1

2

3

5-A

5-B

PULL
ROPE

PULLEY

PULLEY
LANYARD
EYELET

GRAVITY

PIN

PULL
ROPE

QUICK

LINK

PEAK PATCH

VELCRO

RIDGE

BRACE

PULLEY ROPES

HANGING

PULLEY LANYARDS

PRE-INSTALLED

EYE

BOLT

SUPPORT
BAR

LINER READY TO BE HOISTED

Peak Patches
with eye bolt

Pull Ropes

SUPPORT
BARS (Thru
Loops

4-A

4

Slide support bars through the web loops on the top
side of the liner. Slip the notches at each end of the
bars over an eye bolt in the reinforcement patches
and connect the quick links at the ends of the pulley
ropes to these eye bolts (see fig.3)

NOTE: On Navi-Tracs 40’ wide or less, the
cross-cable is removed after installation, so that
step #3 above can be completed as shown in
fig.4, before the liner is hoisted. However, in the
50’ wide Navi-Trac, cross-cables must be left in.
Therefore, the liner sections should be raised
one at a time to a level just above the cross-
cable (see fig.4A and 5A). From a ladder, the
sections and support bars can then be lapped
and joined above the cross-cables.

Working above the cross-cables (50’W)

To hoist the liner, pass the loose ends of the pulley ropes through
the eye fittings on the outsides of the intermediate upright weld-
ments at the sides of the unit. Pull the ropes uniformly and then
tie-off to the same eye fittings to secure the hoisted liner. At the
top of the 40’ and 50’ hip ends, attach the fastex straps to the
ridge brace (see fig.6)

Hoisting the liner to the peak:

4.

NAVLI 05 06

Pulling Liner to the Corner of the Frame

Liner

Cross-
Cable

Cross-
Cable

6

HIP END
FABRIC

RIDGE
BRACE

FASTEX
STRAPS

EVANSVILLE, INDIANA USA

PULLEYS

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