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Installation mounting method for Air knocker

Installation position

Mounting the knocker

All models

When fix knocker unit and base with attached bolt set, pay attention to the clamp torque. If the clamp torque is not enough, the bolt may be loosened by percussion of the knocker.

Tightening torque(N・m)

Nut size

*M6

M8

M10

M12

M14

M16

M20

Tightening

torque (N・m)

Lower nut

*4.8

10.8

20.6

35.3

56.9

84.3

167

Upper nut

*4.8

7.6

14.4

24.7

39.8

59.0

117


To prevent fall down, suspend the knocker unit by the suspender wire and the shackle. Certainly perform prevention for looseness of the shackle thread by a piece of wire.

RKV type

RKVS_bolt-set.jpg

RKD type

Prescribed dimensions for the RKD 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.

eng_rkd_set1.jpg
Model Prescribed dimensions(mm)
RKD30PB 50±2
RKD40PB 75±2
RKD60PB 90±2
RKD80PA
RKD100PA
RKD120P