Sonora Ground Fix
Installation Instructions

Install instrument with 1.5m free space (from widest point) around it.

1. Carefully lay 2 x legs on a
level surface and insert
M10x200 bar and nuts. Using
packing box as protection lay
instrument note side down
on the card. Line up pre
drilled holes in the backboard
with the legs and ensure the
instrument is aligned square
with the legs. Fix in place
using M8x30mm barrel nuts
supplied (see installation
2.(See ground fix
sheet)Excavate 2 holes on
site of installation
approximately Minimum
600mm deep ( adjust depth
according to age range for
intended players)
3. Carefully raise the
instrument from the ground
with legs attached and locate
(lower) legs into holesmaking
sure they are vertical and
level prior to concreting in
4. Once happy with location
and levels, fill holes using
rapid hardening concrete. Be
sure to compact concrete
around legs and leave to dry
according to manufactures
5. Beaters can be fixed to
Stainless Steel posts with
fixings provided.

Instrument Components:

Pair Small Beaters X2
M8 Barrel Nut x4
Eye Straps x2
M6x20mm Secure Screw x4

Ground Fix Components:

M10x200 Threaded Bar x4
M10 Nut x8

TX 45 Driver Bit
x1 TX 30 Driver Bit

Thread Lock Solution Required (Not Supplied)

Spares available from or from your local distributor
Assembly Guide: Components List

Saddle Strap X2
M6x20 Pin torx X4
M10 Nut X8
M10x200 Threaded Bar X4
M8 Barrel Nut Pin torx X4

TX45 Driver Bit x1
TX30 Driver Bit x1

Thread Lock Solution Required
1. Excavate 2 holes with a 250mm diameter tapering
down to 350mm diameter and 550mm depth
2. Compact base of hole with 50mm of aggregate. Lower
ground Fix posts attached to instrument into hole (check
instrument straight and level, and at correct height
before filling with concrete)
3. Fill hole with fast drying concrete to manufacturers
specifications. If posts protrude above instrument they
can be cut down.


M10x200mm BZP Bar x4
M10 BZP Nut x8