198934 Roof Stairs INSTALLATION INSTRUCTIONS.pdf - Westeel

6. Attach the final support arm (234504) to the vertical support tube, and to the nearest roof rib, as shown, utilizing the
support arm clip and support arm bracket, as shown. Drill into, and secure to the roof rib as required.
Figure 20
USE SUPPORT ARM AS
BRACE TO SECURE
VERTICAL SUPPORT
TUBE.
ROOF STAIR HARDWARE USAGE
All roof stair and related connections are made using 3/8" x 1" bolts and 3/8" nuts, except for the following:
- Clamps built into Top Cage Hoops secure using 3/8" x 1 ½" bolts
- Pass Through Rails secure to sidewall ladder using 3/8" x 2 ½" bolts (these are supplied with the ladder)
- Vertical Support Tube secures to the wall sheet using 3/8" x 2 ½" bolts
- Pass Through Rails secure to front lip of stair tread using 3/8" x 4 ½" fully threaded bolts and 3 - 3/8" nuts at each
location
- For stability, "Z" supports secure to roof ribs using 3/8" x 4 ½" fully threaded bolts and 3 - 3/8" nuts at each location
- To keep the horizontally placed support arms from slipping down the vertical supports, secure using the #10 x ¾" self
drilling screw
234085 - Roof Stairs Hardware Package
Part Number Description Quantity
234943 Bolts - 3/8" x 1" (bag of 50) 4
193797 Bolts - 3/8" x 1 1/2" 5
150517 Bolts - 3/8" x 2 1/2" 7
150475 Bolts - 3/8" x 4 1/2" 18
235951 Nuts - 3/8" (bag of 100) 2
900461 Self Drill Screws - #10 x 3/4" 14
234517 Support Arm Clip 7
234559 Pipe Cap 3
234101 Chain 2
198934 Manual - WC Roof Stairs1
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