# 53.13 - Upper Level Internal Cross Bracing Connector

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## Overview

See [3D overview of 53.13](https://a360.co/3NO4pFW)

## Parts

See order of use for [53.13 - upper level internal cross bracing connector](https://cloud.instock.com/assets/articles/53.13/manual/)

## Assembly Steps

### Prerequisites

1. fL2 or higher is installed
2. Central connector is installed
3. Sandwich panels are installed

### Step 1

Insert 4 pcs. of [1.5 plywood washer](https://cloud.instock.com/assets/articles/1.5/) into sandwich panel holes.

### Step 2

Position 2 pcs. of [10.15 floor plate with countersunk holes](https://cloud.instock.com/assets/articles/10.15/) as depicted in the image above.

### Step 3

Fasten floor plates with 8 pcs. of [99.73 countersunk screw](https://cloud.instock.com/assets/articles/99.73/) in designated holes for countersunk screws.

### Step 4

Position [15.56 cross bracing bracket](https://cloud.instock.com/assets/articles/15.56/) as depicted on the image above.

### Step 5

Position 4 pcs. of [99.91001 washer](https://cloud.instock.com/assets/articles/99.91001/) and screw in 4 pcs. of [99.29 screw](https://cloud.instock.com/assets/articles/99.29/).

### Step 6

Position [15.56 cross bracing bracket](https://cloud.instock.com/assets/articles/15.56/) as depicted on the image above symmetrically to the bracing bracket above.

### Step 7

Fix [15.56 cross bracing bracket](https://cloud.instock.com/assets/articles/15.56/) with 3 pcs. of [99.29 screw](https://cloud.instock.com/assets/articles/99.29/) from underneath and fix with 3 pcs. of [99.91008 hex nut](https://cloud.instock.com/assets/articles/99.91008/).