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Occupational Safety and Health Administration OSHA

Regulations (Standards - 29 CFR) - Table of Contents
• Part Number: 1910
• Part Title: Occupational Safety and Health Standards
• Subpart: P
• Subpart Title: Hand and Portable Powered Tools and Other Hand-Held Equipment
• Standard Number: 1910.244
• Title: Other portable tools and equipment.
• GPO Source: e-CFR


Jacks -


Loading and marking.


The operator shall make sure that the jack used has a rating sufficient to lift and sustain the load.


The rated load shall be legibly and permanently marked in a prominent location on the jack by casting, stamping, or other suitable means.


Operation and maintenance.


In the absence of a firm foundation, the base of the jack shall be blocked. If there is a possibility of slippage of the cap, a block shall be placed in between the cap and the load.


The operator shall watch the stop indicator, which shall be kept clean, in order to determine the limit of travel. The indicated limit shall not be overrun.


After the load has been raised, it shall be cribbed, blocked, or otherwise secured at once.



Hydraulic jacks exposed to freezing temperatures shall be supplied with an adequate antifreeze liquid.


All jacks shall be properly lubricated at regular intervals.


Each jack shall be thoroughly inspected at times which depend upon the service conditions. Inspections shall be not less frequent than the following:


For constant or intermittent use at one locality, once every 6 months,


For jacks sent out of shop for special work, when sent out and when returned,


For a jack subjected to abnormal load or shock, immediately before and immediately thereafter.


Repair or replacement parts shall be examined for possible defects.


Jacks which are out of order shall be tagged accordingly, and shall not be used until repairs are made.



Abrasive blast cleaning nozzles. The blast cleaning nozzles shall be equipped with an operating valve which must be held open manually. A support shall be provided on which the nozzle may be mounted when it is not in use.

[39 FR 23502, June 27, 1974, as amended at 49 FR 5323, Feb. 10, 1984]

Next Standard (1910 Subpart Q)

Regulations (Standards - 29 CFR) - Table of Contents

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