52
Fig.6
7
.Safety contact
Arrow showing the
engagement direction
of the safety gear
6.Pin
Spacer pins
Fixing base
Test groove
Fig. 7
5.3 Mechanical intervention
Fig. 5 - 6 - 7: The wheel (1) rotates on the pulley square (2) and pulls the lever (3)
downwards.
In this way, the spring (4) prevents the lever from opening until the intervention
speed is reached.
The lever (3) rotates and engages one of the locking teeth (5).
The pulley does not rotate anymore and causes the mechanical intervention of
the safety gear.
5.4 Electrical intervention
Fig. 5 - 6 - 7: The wheel (1) rotates on the pulley square (2) and pulls the lever (3)
downwards. In this way, the spring (4) prevents the lever from opening until the
intervention speed is reached.
The pin (6) rises, activates the safety contact (7) and opens the safety chain.
Summary of Contents for RQ 200
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Page 12: ...48 Narrow base Fig 2 RQ RQ A Standard base Fig 3 A A RQ RQ A...
Page 13: ...49 www montanarigiulio com ENGLISH SPEED GOVERNORS RQ A RQ D P D P...
Page 31: ...67 www montanarigiulio com ENGLISH SPEED GOVERNORS RQ A RQ 7 8 Protective cover Fig 23 Fig 24...
