Advertisement
Supplemental Instructions for the Installation, Operation and Maintenance of
ATEX Approved Torque-Arm II Shaft Mount Reducers (Zone 1) Sizes TA0107 - TA12608
Preface
The products described in this manual are manufactured by Dodge Industrial, a member of RBC Bearings Incorporated, Simpsonville,
SC 29681 USA.
This manual is intended to provide basic information on the safe operation and maintenance of ATEX approved Torque-Arm II shaft
mount reducers. These instructions do not cover all details or variations in equipment not provide every possible contingency or
hazard to be met in connection with installation, operation and maintenance. Should further information be desired or should particular
problems arise which are not covered in the manual, the matter should be referred to your local Dodge Industrial representative.
The reducer was manufactured under the guidelines of the ATEX directive 2014/34/EU.
Torque-Arm II reducers are suitable for ATEX Category M2 for Group I and Category 2 for Group II, both gas and dust atmospheres
where the ignition temperature exceeds +135°C (T4) or +275°F.
Typical reducer marking is contained on a certificate plate similar to the following:
PART
NUMBER
CLASS I
RATING
Tamb -30°C to +50°C
I M2 ck / II 2 GD ck T4
SIRA 04 ATEX 9360
MFG. BY BALDOR ELEC CO/FT SMITH, AR 72901 USA
Attention - Hazardous Area Use
For Hazardous Area Use, the following potential ignition hazards have been identified:
•
Impact to outer enclosure
•
Heat generation
•
Contact of rotating parts with stationery parts
The installation should be in accordance with the conditions in the following sections.
NOTE: The reducer is designed to operate with a surface temperature at or below 200°F. Failure to operate the reducer
properly can cause this maximum surface temperature to be exceeded. If applied in a Division I or Zone I environment this
excessive temperature may cause ignition of hazardous materials.
The use of supplemental cooling devices such as a shaft-mounted cooling fan or heat exchanger may be required to ensure operating
temperature below 200°F if indicated by catalog selection tables or if the reducer is operated at ambient temperatures above 80°F.
Proper use of supplemental cooling, if provided, and avoidance of undesirable operating conditions is required.
Abnormal Conditions
Operating the reducer under any of the following conditions can cause higher than normal operating temperatures:
1.
Reducer load exceeding nameplate ratings
2.
Ambient temperatures above nameplate rating
3.
Inadequate cooling
4.
Operation above maximum nameplate speed
5.
Insufficient amount or improper type of lubricant
Additional Instructions for Safe Installation and Use
Do not open reducer when an explosive atmosphere may be present.
•
All rotating parts should be guarded to prevent contact with foreign objects which could result in sparks and ignition.
•
The reducer should be periodically inspected for proper oil level, signs of oil leakage, and dust or dirt buildup that would impede heat
dissipation.
•
Follow lubrication instructions and service schedule in this manual. Use gear lubricant with flash point temperature 300°F or higher.
•
Increasing levels of vibration and noise could indicate the need for repair or replacement of the reducer, including replacement of
bearings.
•
Electrical sparks are a source of ignition. To reduce this risk, proper electrical bonding and grounding are recommended. Under
standard operating conditions, the reducer is electrically bonded to the driven equipment through the output shaft connection.
TORQUE-ARM II METRIC SPEED REDUCER
R
KW AT
WARNING
Do not open when
an explosive atmosphere
may be present
USA PATENTS
5,667,333
5,951,198
RATIO
6,202,507
6,253,640
MAX
INPUT RPM
SERVICE PER INSTRUCTION MANUAL
30
OIL QTY
POS. B
LITERS
6,272,941
6,530,138
6,375,196
6,599,052
E
6,527,276
MN1620
Advertisement
