Stockmaster Step-Thru, Assembly Instructions Manual

12

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Mobilisation Assembly

IMPORTANT

: 

To avoid assembly problems follow these instructions exactly. Work Safely - Do not stand the 

frames upright when assembling. Place frames in the positions shown in the illustrations

Step 1 

- 

Fix the Mobilisation Rails (Rectangular Hollow Section - RHS) to the Frames at A & B. The fixing detail is 

shown in steps 2 to 3 (See illustration No. 1)

Step 2

 - 

Fix the Mobilisation Rails to the Rear Frame at A. Use a 12 x 65mm Bolt, Nylon Sleeve, Large Nylon Spacer and 

Nyloc Nut. Pass the Bolt thru the Frame and fit the Large Nylon Spacer and Nylon Sleeve. (See illustration No. 2)

Step 3

 - 

Fit the Mobilisation Rail over the Nylon Sleeve and secure with the 12mm nut.  Ensure the Sleeve is

properly seated within the Mobilisation RHS section 

- Finger tight only

. Fix the Mobilisation Rail to the Front Frame at B 

repeating the above procedure. Fix the second Mobilisation Rail to the opposite side in the same manner. (See illustration 
No. 3)

Step 4

 - 

Fit the Rubber Bump Stop to the Anti-Tilt Plate as shown using the 6 x 35 screw and nyloc nut. Place the

Anti-Tilt Plate and 12mm Washer over the end of the Mobilisation RHS as shown and align the holes. (See illustration 
No. 4)

Note: 

This item is a Safety Feature to prevent accidental overturning and 

must be fitted.

Step 5

 -

  Fit a Washer to the 12 x 110mm Hex Bolt. Place the Wheel Bearing C inside the Wheel and pass the bolt thru 

the bearing. Place the Wheel over the Anti-Tilt Plate and pass the bolt thru the Washer, Anti-Tilt Plate and Mobilisation 
RHS (See illustration No. 5) 

Step 6 

-

 Slide the Nylon Sleeve over the Bolt and insure it  properly seats within the Mobilisation RHS. Fit the 12mm 

Nut and tighten. Repeat steps 4-6 for the other side. (See illustration No. 6)

Step 7 

-

 Stand the Ladder upright on a level surface. Stand on the first step taking hold of ladder frame and flexing 

it so both the feet and wheels sit firmly on the floor. When there is no evidence of rocking, tighten the four Mobilisation 
to Frame fixings using the Hex Key and Spanner provided. Now tighten the remaining 10mm bolts in the Ladder Frames 
using the 

Hex Key only.

(Hold the nut in a fixed position with the spanner. Do not rotate the nut.)