Please read and save these instructions. Read through this owner’s manual carefully before using product. Protect
yourself and others by observing all safety information, warnings, and cautions. Failure to comply with instructions could
result in personal injury and/or damage to product or property. Please retain instructions for future reference.
Operating Instructions and Parts Manual
5ZL21G
STC100
06/11
#848
1/2”Air Ratchet
Form 5S6872
Printed in Taiwan
04634
Version 0
Description
The 1/2”air ratchet is a heavy duty tool designed for installing and removing fasteners. Longer body provides
increased leverage for higher torque applications.
Unpacking
After unpacking unit, inspect carefully for any
damage that may have occurred during transit.
Check for loose, missing, or damaged parts.
Shipping damage claim must be filed with carrier.
Specifications
5ZL21G 150 90ft.lb 1/4 1/2 90 4.30
Air input diagram
Speed Maximum Air Inlet NPT Square Drive Required Pressure Weight
Model (RPM) Torque ( in.) (in.) (psi) (lb)