STEP 8 - FESTOONING INSTALLATION (CONTINUED)
8.15
Installing Festoon Electric Cable/Air Hose/Vacuum Hose:
Gliders are designed to accept 4-conductor, electric flat cable (#12 or #14 gauge).
Festoon trolleys are designed to accept 4-conductor, electric flat or round cable (#12 or
#14 gauge) or air hose (maximum: 7/8” outside diameter).
Electric Cable with Festoon Gliders
Thread electric cable between upper
and lower saddles of glider. Secure
electric cable by pushing lower saddle
up glider legs, clamping electric cable
into place (
diagram 8D
).
Electric Cable/Air Hose with Festoon Trolleys
Loosen nuts and clamp-plate enough
to thread electric cable/air hose
between the U-bolt legs and clamp
plate on festoon trolley. Secure cable
by tightening nuts on festoon trolley,
forcing clamp plate snug against
electric cable/air hose (
diagram 8E
).
Note:
Be careful not to tighten nuts too tight;
will cause damage to electric cable/air
hose.
Note:
Be sure that U-bolt does not interfere
with trolley body.
WARNING
Crane cannot be utilized as a ground: A separate ground wire is required. For example,
systems with 3-phase power require 3 conductors plus one ground wire.
Diagram 8D.
Installing electric cable on festoon glider.
Diagram 8E.
Installing electric cable or air hose on festoon
trolley.
Cable/Air Hose Installation Tips:
It is important that as much twist as possible be taken
out of the hose before it is hung. To take the twist out follow the steps below:
Æ
1. Lay the cable or hose out on the floor flat.
2. Mark the cable or hose where the first end clamp will be and then make marks for
trolley and bridge end clamp locations at 6-7 foot intervals. If cable or hose twist still
exists, increase intervals.
3. Recoil the cable or hose so that the marks are all lined up on the top of the coiled
cable or hose.
4. Lay the large coil on the floor with the marks lined up. At each mark, attach a trolley
or end clamp. When installing the festoon, pick up the whole coil and run the trolleys
in without disturbing the coil.
Suggestion:
Air Swivels should be used at either end of cable or hose to reduce twist.
20
9/05
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