AM SERIES AIR MOTORSOperation and Maintenance Manual Model 2AM Shown Model 4AM Shown Model 6AM Shown Model 16AM Shown Thank you for purchasing this Gast product. It is manufactured to the highest standards using quality materials. This manual includes general safety instructions for operation under normal conditions and for operation in hazardous conditions. Please follow all recommended maintenance, operational and safety instructions and you will receive years of trouble-free service. PLEASE READ THIS MANUAL COMPLETELY BEFORE INSTALLING AND USING THIS PRODUCT. SAVE THIS MANUAL FOR FUTURE REFERENCE AND KEEP IN THE VICINITY OF THE PRODUCT. General Information: Operating Pressure Limits Lubricated Models Pressure LL and NLP Models Pressure Product Use Criteria: • Non-hazardous conditions: Operate at ambient temperatures up to 250°F (121°C). • Hazardous conditions: Operate at ambient temperatures up to 104°F (40°C). • Protect unit from dirt and moisture. • Use ONLY compressed air to drive motor. • Air lines connected to motor should be the same size or the next size larger than the inlet port for efficient output and speed control. • Protect all surrounding items from exhaust air. • Bearings are grease packed. • Use Gast #AD220 or a detergent SAE#10 automotive engine oil for lubricating. • Motors are to be used in commercial installations only. • This symbol appears on labels of air motors that are designed for use in hazardous atmospheres. These air motors comply with the applicable standards and specifications and meet the requirements of the guidelines of the Directive 2014/34/EU. They are intended to be used in zones 1 and 2 where explosive atmospheres are likely to occur. • Air supply, directional control valve and pressure regulator should be selected based upon the air consumption of the motor. GAST A unit of idex corporation www.gastmfg.com ® Registered Trademark/™ Trademark of Gast Manufacturing Inc. ©Copyright 2017 Gast Manufacturing Inc. All Rights Reser

Your safety and the safety of others is extremely important. We have provided many important safety messages in this manual and on your product. Always read and obey safety messages. A This is the safety alert symbol. This symbol alerts you to hazards that can kill or hurt you and others. The safety alert symbol and the words “DANGER” and “WARNING” will preceed all safety messages. These words mean: A DANGER You will be killed or seriously injured if you don’t follow instructions. A WARNING You can be killed or seriously injured if you don’t follow instructions. All safety messages will identify...

Mounting Do not use a hammer on the shaft or connections. This product can be installed in any orientation. Mount the motor to a solid metal base plate that is mounted to a stable, rigid operating surface. Use shock mounts to reduce noise and vibration. Install a pressure regulator or simple shut-off valve to control motor. Lubricating the drive shaft will make assembly easier. Use a puller for removal of pulleys, couplings and pinions on the motor shaft. Check that the tension on the belt pulley matches the manufacturer’s specifications. Do not exceed the maximum radial and axial forces on the...

Operate the motor for approximately 2 hours at the maximum desired load. Measure the surface temperature of the motor on the casting opposite the pipe ports. The maximum surface temperature listed on the motor is for normal environmental and installation conditions. For most air motors, the maximum surface temperature should not exceed 275ºF/135ºC. Do not continue to operate the motor if the measured surface temperature exceeds temperature listed on the motor. If your measured temperature does exceed listed value, consult with your Gast Distributor/Representative for a recommendation. 1. Disconnect...

© 2017, Gast Manufacturing We reserve the right to make any alterations which may be due to any technical improvements Printed in the USA

Worm Gear Reducer Series A-F Gear Reducer Specifications All output shafts are in the standard location. © 2017, Gast Manufacturing We reserve the right to make any alterations which may be due to any technical improvements Printed in the USA

WARRANTY Gast finished products, when properly installed and operated under normal conditions of use, are warranted by Gast to be free from defects in material and workmanship for a period of twelve (12) months from the date of purchase from Gast or an authorized Gast Representative or Distributor. In order to obtain performance under this warranty, the buyer must promptly (in no event later than thirty (30) days after discovery of the defect) give written notice of the defect to Gast Manufacturing Incorporated, PO Box 97, Benton Harbor Michigan USA 49023-0097 or an authorized Service Center...

Gast Manufacturing 2300 M-139 Highway Benton Harbor, MI 49023 Ph: 269-926-6171 Fax: 269-927-0808 Gast Group Limited Room 3502-3505 No. 1027 Chang Ning Road, Zhaofeng Plaza Shanghai, China 200050 Phone +86-21-52415599 Fax +86-21-52418339 Gast Group Ltd. Unit 11, The I O Centre Nash Road Redditch, B98 7AS United Kingdom Phone +44 (0)1527-504040 Fax +44 (0)1527-525262 For repair parts ordering information and exploded product view, visit our website or call us at the number listed below. We have Gast Authorized Repair Facilities throughout the world. For the most up-to-date listing, contact one...