Ground Fixed Babel Drum (Large)
Installation Instructions:

1. Unpack ground fixing legs 3no.
2. Lay packaging out on floor or assemble on non-abrasive surface to prevent marking of polished stainless steel.
3. Align holes on legs (opposite end to polished domes) and secure in place using 3no. M10 x 200mm threaded bar and 6no. M10 nuts provided.
Tools required 2no. 17mm metric spanner/wrench (11/16 inch or alternatively using adjustable wrench)
4. Invert assembled frame so domed ends face upwards.
5. Place 8mm Hex Key supplied into hole in leg and lock into internal bolt.
6. Remove Black caps opposite side of leg and keeping Hex Key in place, slide black polyurethane damper over bolt until flush with end of bolt. Repeat for other 2 legs.
7. Unpack babel drum leaving black film in place to protect.
8. Align holes in side of babel drum with bolts on legs.
9. Using 8mm Hex Key screw bolts into drum to secure in place. Use thread locking solution All hole locations are laser cut for accuracy to ensure holes in drum align perfectly with legs.
7. Unpack babel drum leaving black film in place to protect.
10. Using TX40 driver provided secure M8 x 25mm security bolts into external holes in legs 3no. Use thread lock solution.

Instrument Components:

Babel Drum
M8x25mm Pin Torx x3
M10x200 Threaded bar x3
M10 BZP Nut x6


KS1 โ€“ (L)700-(S)705mm
KS2 โ€“ (L)850-(S)855mm
Adult- (L)980-(S)985mm

Thread Lock Solution Required
Hex T Key x1
TX40 Driver Bit x1
Assembly Guide: Ground Fix

1. Insert M10x 200 Threaded bar into pre drilled holes in Frame of Babel Drum using M10 BZP Nuts
2. Excavate a holes with a 250mm diameter tapering down to 350mm diameter and 450mm depth
3. Compact base of hole with 50mm of aggregate. Lower ground Fix post attached to instrument into hole (check instrument straight and level before filling with concrete).
4. Fill hole with fast drying concrete to manufacturers specifications.

If Drum needs to be positioned lower a deeper hole can be excavated.
Foundations should not present a hazard. These foundations are recommended as a guide, for more information on foundation details for various surface see Part 1 of BS EN 1176.