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LUBRICATED AIR MOTORS
OPERATION & MAINTENANCE MANUAL
Product Use Criteria:
• Operate at temperature up to 250ºF (121ºC).
• 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 intake 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.
Model 2AM Shown Model 4AM Shown
IMPORTANT: PLEASE READ THIS MANUAL AND SAVE FOR FUTURE REFERENCE.
Thank you for purchasing this Gast product. It is manufactured to the highest standards
using quality materials. Please follow all recommended maintenance, operational
and safety instructions and you will receive years of trouble free service.
General information
• Clearances: Model Total End Clearance (in/mm) Top Clearance (in/mm)
1AM/1 UP 0.0020/0.0508 0.0015/0.0381
2AM 0.0025/0.0635 0.0015/0.0381
2AM * 0.0025/0.0635 0.0025/0.0635
4AM 0.0035/0.0889 0.0015/0.0381
4AM * 0.0035/0.0889 0.0025/0.0635
6AM 0.0035/0.0889 0.0015/0.0381
8AM 0.0048/0.1219 0.0015/0.0381
16AM 0.0060/0.1524 0.0015/0.0381
* Models with the last three digits greater than 500 (ie 2AM XXX-501)
• Vane Life: Depends upon speed, operating pressure and motor maintenance.
• Operating Pressure: 100 psi or below (7 bar)
www.gastmfg.com
ISO 9001 & 14001 CERTIFIED
®Registered Trademark/™Trademark of Gast Manufacturing Inc., Copyright ©2001 Gast Manufacturing Inc. All Rights Reserved.
PART NO. 45-200 D170PL (Rev. K)
Model 6AM Shown Model 16AM Shown
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