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Strawinskylaan 1105
1077 XX Amsterdam, The Netherlands
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Terms of use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Special conditions for a safe usage . . . . . . . . . . . . . . . . . 2
TECHNICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . 3
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Microswitch technical data . . . . . . . . . . . . . . . . . . . . . . . . 3
Main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Limit switch installation . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Limit switch wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Microswitches wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ground wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cams adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
ACCESSORIES / SPARE PARTS . . . . . . . . . . . . . . . . . . . 11
Pinions (PA66 - water cutting) . . . . . . . . . . . . . . . . . . . . 11
Pinions (PA66 - molded) . . . . . . . . . . . . . . . . . . . . . . . . . 12
Camshapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Oldham coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Optional flange installation . . . . . . . . . . . . . . . . . . . . . . . 15
MAINTENANCE AND REPAIR TERMS
AND CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CERTIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
MT-FGR2-EN / 28 .06 .2021
FGR2
ROTARY GEAR LIMIT SWITCH
Before use, read this booklet carefully to
acquaint yourself with the features of the
product . This booklet is an integral part of
the product and therefore must be kept until
the product is dismissed .
Giovenzana International B .V . reserves the
right to change the features and data shown
in this document at any time and without
notice . This document cannot therefore be
considered a contract with third parties .
Rotary gear limit switches FGR are designed
and manufactured according to IEC
international standard and EN European
regulations .
Any improper installation or any tampering
of the device may cause serious personnel
injury or property damage, therefore, the
installation and maintenance must be
performed by specialized and authorized
personnel .
The use of this device is not allowed in
environment with a potentially explosive
atmosphere or in presence of corrosive
substances and in salt spray .
They are suitable for use in industrial
environment with machinery monitoring and
protection purpose .
Available in 2 variations:
• base fixing
• rear shaft
Front fixing with optional flange available .
Rev . 4
EN
instruction manual
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Summary of Contents for Giovenzana FGR2
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Page 1: Table Of Contents
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Giovenzana International B .V . reserves the Terms of use . -
Page 2: Introduction
. with wet materials are allowed . with wet materials are allowed . GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4 GIOVENZANA INTERNATIONAL B .V . GIOVENZANA INTERNATIONAL B .V . -
Page 3: Technical Characteristics
The microswitches installed can have one of the three types of terminals illustrated below: 6 .3×0 .8 faston screws M3 for wire 1 .5 mm² screws M3 for wire 1 .5 mm² with plate protection GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 4: Main Components
Flange for front fixing of the limit switch (where provided) Front shaft Double shaft (where provided) Cable glands M20 Switch unit Cams Cam adjustment locking screw GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 5: Dimensions
Dimensions Base fixing (131.5) 25 max Ø 4 104.8 Rear shaft (131.5) 25 max Ø 4 104.8 GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 6: Installation
Front fixing with optional flange (131.5) 25 max Ø 4 104.8 25.1 25.1 Ø 7 Ø 4.2 INSTALLATION Limit switch installation Fixing points for basic configuration GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... - Page 7 Ø 7 Ø 74 Ø 7 Ø 74 25.1 25.1 Base configuration fixing Flanged configuration fixing with optional flange 2 × M6 3 × M6 GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4...
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Page 8: Limit Switch Wiring
(b) . Insert the cables (a) in the limit switch (b) taking care not to let the cable sheaths (c) protrude too much . GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 9: Microswitches Wiring
To wire the microswitches it is necessary to strip the end of the cable (1 .5 mm²) and screw it into the terminal (M3 screws) . GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 10: Cams Adjustment
1 .8-2 .2 N×m 16-19 .5 lb×in Close the limit switch cover by tightening the screws . TIGHTENING TORQUE 1 .6-1 .8 N×m 14 .2-15 .9 lb×in GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 11: Accessories / Spare Parts
For the installation of the water-cut pinions, the wheel coupling sleeve is required (code 16020050) . 1 . Screw M6×16 + lock washer Ø 25 Ø 4 mm 2 . Elastic pin 4×24 Ø 4 GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4 GIOVENZANA INTERNATIONAL B .V . -
Page 12: Pinions (Pa66 - Molded)
Pressure angle No other accessories are required for the installation of the molded pinions . 1 . Elastic pin 4×24 GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4 GIOVENZANA INTERNATIONAL B .V . -
Page 13: Camshapes
11703032 13.5 38.5° ±0.5° 20° ±0.5° 93.5° ±0.5° For rotary gear limit switches with code FGR2N . . . only GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4 GIOVENZANA INTERNATIONAL B .V . -
Page 14: Oldham Coupling
Ø 4 mm Ø 4 mm Make a hole (a), if not present, and fasten with the elastic pin (b) . GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4 GIOVENZANA INTERNATIONAL B .V . -
Page 15: Optional Flange Installation
Ø 4.2 38.5 26.8 Install the flange (a) with the 4 Allen screws (b) . TIGHTENING TORQUE 0 .7-0 .8 N×m / 6 .2-7 .1 lb×in GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4... -
Page 16: And Conditions
EN 60204-1 2006/A1 : 2009 2011/65/UE EN 60529 1991/A1 : 2000/A2 : 2013 2015/863/UE EN 50581 2012 IEC 63000 2016 Markings GIOVENZANA INTERNATIONAL B .V . - MT-FGR2-EN / 28 .06 .2021 - Rev . 4 GIOVENZANA INTERNATIONAL B .V .
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