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4.4 Mechanical installation
Foundation requirement
In this type of machine, the drum is attached directly to the frame. As a result the floor under the machine must be
stable enough to absorb the dynamic forces generated during spin cycles. For that reason, the mounting bolts must
be cast into the floor material itself.
When securing the machine to an existing concrete floor, it must be at least 200 mm thick, with a minimum concrete
strength of 20.7 MPa. The floor must be free of seams and cracks.
If the floor is less than 200 mm, an alternative might be to cast a plinth. The floor must be able to withstand the loads
indicated in the table in the Technical data section.
If an existing concrete floor (of 200 mm minimum thickness) is to serve as the foundation, but it is not possible to cast
"J" bolts into the concrete, an alternative is to use so called chemical anchor bolts.
The machine must be securely fastened to a suitable foundation using 4–M16 threaded rod, heavy duty flat washers
and lock nuts or lock washers. For WN6–35: Also two M10 (3/8 inch) expansion bolts (1) MUST be installed at
the front of the machine. If all six anchors are not properly installed, large vibrations in the machine's cabinet
may occur.
Failure to properly secure the machine to its foundation, or securing the machine to an inadequate foundation, will re-
sult in severe vibration, damage to the machine, and will void the manufacturer's warranty.
The following table shows the drilling points.
4-M16 (5/8")
Ø 18 (11/16")
125 (5")
2-M10 (3/8")
mm
A
WN6–8
685
WN6–9
725
WN6–11
700
WN6–14
785
WN6–20
875
WN6–28
950
WN6–35
1035
Mark and drill all holes for bolts in the positions shown.
Fix the thread rod M16 to the floor.
Installation manual
B
C
660
496
394
660
496
443
720
575
387
720
575
495
750
636.5
569.5
830
716
633
910
789.5
696
D
E
F
115
633.4
115
665
120
693.1
120
758.7
120
854.1
125
955.7
135
1052.5
1
Ø 10 (3/8")
50 (1 15/16")
G
H
-
-
-
-
-
-
-
-
-
-
-
-
811.5
11
17
fig.5989E
I
-
-
-
-
-
-
94.5
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