13
12
4. MOUNTING THE KNOCKER:
When attaching Knocker unit and base with bolt set, pay attention to
the torque to prevent loosening by the impact of the Knocker.
Wire Assembly
Clamp Torque Nut Size
Model (KNR-)
20
30
40
60
80
100
Nut Size
M6
M8
M12
M14
M16
M20
Tightening
Torque
(lbf • ft)
Lower Nut
4.0
8.0
26.0
42.0
62.0
123.0
Upper Nut
4.0
6.0
18.0
29.0
44.0
86.0
Model (KNR-)
Wire Diameter Wire Length
Shackle
15-SS
1/16
12
5/32
20 /20-SS
6
30 /30-DI /30-SS
3/32
7
1/4
40 /40-DI /40-SS
14
60 /60-DI /60-SS
1/8
17
80 /80-DI
100 /100-DI
3/16
20
5/16
• To prevent falling, suspend the Knocker by the wire and the shackle.
• Adjust the position of the metal fittings so that the wire assembly does not loosen.
Knocker
Bolt Set
* The washer is not attached to KNR-20/KNR-20-SS.
The bolt set is unnecessary in KNR-15-SS.
* The fall prevention wire is an option. (KNR 15-SS)
Knocker
Bolt set
Upper nut
Lower nut
Spring washer
＊
1
Washer
Bolt
Base assembly
Knocker
Bolt set
Upper nut
Lower nut
Spring washer
＊
1
Washer
Bolt
Base assembly
Hanging metal fittings
Wire assembly
The wire assembly is
an option.
Shackle
Wire assembly
Exhaust port of
the knocker body
becomes downward
Wire assembly fixes with
this bolt.
Shackle
Exhaust hole of the knocker
body becomes downward
Wire assembly
Prescribed Dimensions
Prescribed Dimensions
Model (KNR-)
Dim X
30-DI
2
40-DI
3
60-DI
3.5
80-DI
100-DI
Dim X
5. PRESCRIBED DIMENSIONS FOR THE KNR-DI MODEL MOUNTING:
If not using the base assembly provided, make sure that the dimensions of the part to which the
Knocker is mounted and the base mounting part meet the prescribed dimensions listed below.
Effective Length: 9.5mm
t (mm)
L
Less than 4mm
1
M10 × 14
From 4 to less than 6
M10 × 16
From 6 to less than 8
M10 × 18
KNR-15-SS:
• The KNR-15-SS type uses M10 bolts.
• Please strictly observe the torque specs for bolts.
• Bolt size and material: M10 SUS or M10 SS
• Clamp torque: 12.5 lb•ft•
L: length of bolt
t: thickness of plate
An additional washer with thickness of at
least 2mm must be used with wall thickness
less than 2mm
Bolt M10
(inches)
(inches)