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Siemens S-40EXIT Instructions & Maintenance
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15Model S-40EXIT gate mechanisms have self lubricating bearings on the main shaft, gear shafts and onthe auxiliary sidewalk arm shaft when so equipped. No lubrication is required.Gears should be coated with a thin film of all temperature grease, such as Aeroshell 7, at 3 to 6 month intervalsdepending on number of gate operations. Clean thoroughly and reapply grease every two years or when signs ofgear wear are evident.Ensure that air vents are kept unobstructed and flexible conduit between the gate mechanism and the junction boxbase is kept sealed.M OTORMotor Shaft bearings are sealed with all-temperature grease and no lubrication is required. The brush pressureshould be between 10 and 16 ounces. Normally the brush pressure, as adjusted at the factory, will be retained withinproper limits throughout the long life of the brushes.Required maintenance is to inspect the brushes and commutator annually and following a broken or fouled gatearm condition that may have held the motor in stall. Clean a darkened commutator by holding a commutatorcleaning stone or non-metallic abrasive cloth to it while rotating the motor shaft. After cleaning, cycle the gate 2-3 times to clear brushes, then wipe commutator with a lint free cloth. Brushes worn to less than 3/4" length shouldbe replaced.MAINTENANCE TOOLSTorque Wrench Kit (contents listed on page 12) - 070981-XMaintenance Kit Complete-073112-3X (includes following items which can be ordered separately)- Contact Forming Tool-073112- Contact Setting Gage-073112-1- Commutator Cleaning Tool-073112-2- Contact Cleaning Strips (box of 12)-073000-15- Tension Gage for Motor Brush Springs and Controller Contacts-073000-16Torque Card - 070982-2RELAYSThe relay panel assembly (page 18, item 63) contains the Maintenance Switch Relay K3 (top), the Power DownRelay K2 (middle) and the Power Up Relay K1 (bottom). Up Control Relay K4 is mounted on the terminal bracket.Gate-down control energizes the down-control relay to release the brake and make power-down drive. At 1 0the power-down contact #7 opens to de-energize the relay and the motor; and to energize the brake for holddown. Removing gate-down control drops relay K4 to energize the power-up circuit. At 90 0 the power upcontact #8 opens to de-energize the up relay and the motor; and to energize the brake.Field adjustment of relays is not recommended. Relays failing to pick up at 9.0 volts or release at 2.5 volts requirereplacement of the K4 relay or the relay panel assembly.GENERAL MAINTENANCERelay SpecificationsRelay Coil Resistance Pick Up Drop Away12VDC Std 33 Ohm 9.0V max. 2.5V min.24VDC Std 132 Ohm 18.0 V max. 1.0V nominal |
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