はしご Great Northern Docks 9079FLのPDF 組み立て説明書をオンラインで閲覧またはダウンロードできます。Great Northern Docks 9079FL 2 ページ。 20 aluminum ladder

Great Northern Docks

Assembly Instructions

20° Aluminum Ladder

Place elongated nuts in Track

with hub side in to receive

Truss head bolts

for

#9079FL

Hex Bolt

Washer

Connect the ladder hoops to the oblong holes with

the ladder between each ladder hoop. Use two hex

bolts and two nylock jam nuts from the bolt kit bag.

Threaded ends of all bolts should point to the outside

of the ladder to avoid the path of swimmers.

Place a stainless washer on the ends of the bolts and

between the ladder and the hoop to allow the

Ladder to swing up and down without grinding.

Tighten nuts and bolts before using the ladder.

Jam Nut

up position so you do not have to hold it while trying

to attach it.

Having it assembled will space the hoops the right

distance apart from each other while you drill holes

in the deck for the attachment bolts.

Each Ladder hoop will receive two bolts, one will

pass through the decking and the other will go on

the outside of the hoop into the elongated nut

when placed in the aluminum track.

there is no need to bolt the inside holes on

the ladder hoop brackets, doing so will prevent the

ladder from swinging down all the way.

After a hole has been drilled, insert a

carriage bolt to keep the ladder from moving while

you drill the other hole.

When attaching this ladder to a dock with

removable deck panels, make sure your decking is

fastened in place well enough to support the ladder

and a swimmer.

Use a backer board under the front of the hoop to

span benieth more than one deckboard as

reinforcement.

Use a washer and a nut from the ladder bolt kit bag

on each attachment bolt.