en - Original instructions
4. Position the pieces of wood.
The wood pieces prevent the extension from moving during backfilling.
4.2.7 Install the extension: P-installation
Use a cutting device to adjust the length of the extension and extension guide bars.
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1. Adjust the length of the extension by cutting an O-ring slot.
2. Put the O-ring in the second O-ring slot.
Put soap water or grease on the O-ring before the extension is assembled.
3. Install the extension guide bars:
a) Cut the extension guide bars to the correct length.
b) Put the extension guide bars on top of the station guide bar bracket.
4. Assemble the extension:
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1. Extension cut
2. Minimum 200 mm (7.87 in), maximum 250 mm (9.8 in)
3. Pieces of wood
4. Hooks
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5. Extension guide bar bracket
6. Second O-ring slot
7. Extension guide bars
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8. Station guide bar bracket
9. Station guide bars
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WS011668C
1. Hook for level regulator
2. Hook for chains
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