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 ® Registered Trademark/™ Trademark of Gast Manufacturing Inc. ©Copyright 2019 Gast Manufacturing Inc. All Rights Reserved.

www.gastmfg.com

ISO 9001 CERTIFIED

Model 2AM Shown

Model 4AM Shown

Model 6AM Shown

Model 16AM Shown

AM SERIES AIR MOTORS

Operation and Maintenance Manual

  

Part No. 45-200 D170 (Rev. T)

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.

WARNING

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

1AM

100 psi / 7 bar

1UP

80 psi / 5.6 bar

2AM

100 psi / 7 bar

4AM

100 psi / 7 bar

6AM

100 psi / 7 bar

8AM

100 psi / 7 bar

16AM

100 psi / 7 bar

LL and NLP Models Pressure

1AM

80 psi / 5.5 bar

1UP

65 psi / 4.9 bar

2AM

80 psi / 5.5 bar

4AM

80 psi / 5.5 bar

6AM

80 psi / 5.5 bar

8AM

80 psi / 5.5 bar

16AM

80 psi / 5.5 bar

Product Use Criteria:

•  Non-hazardous conditions: Operate at ambient temperatures up 

to 250ºF (121ºC).

•  Hazardous conditions: Operate at ambient temperatures up to 

104ºF (40ºC).

•  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 con-
trol.

•  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.

Summary of Contents for Gast 4AM Series

Page 1: ...100 psi 7 bar LL and NLP Models Pressure 1AM 80 psi 5 5 bar 1UP 65 psi 4 9 bar 2AM 80 psi 5 5 bar 4AM 80 psi 5 5 bar 6AM 80 psi 5 5 bar 8AM 80 psi 5 5 bar 16AM 80 psi 5 5 bar Product Use Criteria Non...

Page 2: ...specifications regarding explosion protection safety and accident prevention Complete the following checklist prior to starting installation in a hazardous area All actions must be completed in accor...

Page 3: ...t a 4 way valve with piping to both air ports of motor to make reversing possible Connect the sound absorber on the exhaust air port or valve connection Do not add any thrust to the end or side of the...

Page 4: ...ve dirt foreign particles moisture or oil that occurs in the operating environment will help to maintain proper vane performance Flush the motor if it is operating slowly or inefficiently Use only Gas...

Page 5: ...safety as in the case of air pressure failure etc contact your Gast Distributor Representative Some worm gear reducers may be shipped with a plug in the top pipe plug The plug must be removed and the...

Page 6: ...shaft in both directions to check that gear train is running freely 8 Cross tighten seal cage and end cover cap screws Worm Gear Reducer Series A F Gear Reducer Specifications All output shafts are in...

Page 7: ...OR RE PLACEMENT GAST WILL NOT BE RESPONSIBLE OR LIABLE FOR INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND however arising including but not limited to those for use of any products loss of time inconve...

Page 8: ...Kingdom Phone 44 0 1527 504040 Fax 44 0 1527 525262 Registered Trademark Trademark of Gast Manufacturing Inc Copyright 2019 Gast Manufacturing Inc All Rights Reserved www gastmfg com ISO 9001 CERTIFI...

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