Portable Power
Tools
Chapter 296-807, WAC
|
Effective
Date: 08/01/03 |
Contents
Helpful
Tools
Index
Download
Your responsibility:
Make sure jacks are safe
to use
IMPORTANT:
This section applies
to portable hand- or power-operated:
- Hydraulic jacks
- Mechanical ratchet jacks
- Mechanical screw jacks.
You must
LABELING
WAC
296-807-17005
Make sure jacks are labeled with their
rated load(s)
You must
- Make sure the rated
load(s) of the jack
is:
- - Readable
- - Durably marked in an easily seen location
on the jack.
BEFORE USE
WAC
296-807-17010
Make sure the jack is safe to lift
the load
You must
(1) Visually examine
the general condition of the jack before each use.
| 
|
Note:
If a jack is to be used more than once on a shift, the visual
examination is only required before the jack is used for
the first time that shift.
|
You must
(2) Make sure the
weight to be lifted or supported is within the rated load of the
jack.
(3) Make sure the base of the jack is on a firm
foundation or blocked before lifting the load.
(4) Make sure hydraulic jacks exposed to freezing
temperatures function properly at the temperature they will be
used.
LIFTING THE LOAD
WAC
296-807-17015
Lift the load safely
You must
(1) Place a block between
the load cap and the load if the load could slip off the jack.
(2) Secure the load from
falling or slipping immediately after it's raised by one or more
of the following:
- Cribbing
- Blocking
- Some other equally effective method.
(3) Make sure you
don't exceed the limit of travel of the jack.
|
|
Note:
The limit of travel can be determined
by one or more of the following:
- A positive stop
- A stop indicator
- Some other equally effective method.
|
INSPECTION AND MAINTENANCE
WAC
296-807-17020
Visually inspect jacks and keep them
in good working order
|
|
Note:
There are 2 types of inspection, frequent
or periodic, depending on how often they are done. |
You must
(1) Inspect jacks at appropriate
intervals:
- Make sure frequent inspections are done
by the operator or other designated
person as follows:
- – Before a jack is first placed in
service.
- – Monthly for a jack used in normal
service.
- – Daily or before each use for a jack
used for other than normal service.
- – Before using a jack that has been
altered, modified, or repaired.
- – Before using a jack that hasn't
been used in one year or more.
- Make sure a periodic inspection of the jack
is done once a year.
- Inspect the jack using Table
4, Jack Inspection Requirements, during any frequent or
periodic inspection.
(2) Make sure a jack
that is out of order is:
- Tagged
- Not used until repaired.
(3) Make sure a jack
is properly lubricated at regular intervals.
|
|
Note:
The jack should be lubricated following
the manufacturer's instructions. |
Table 4
Jack Inspection Requirements |
Inspection Item |
Frequent
Inspection |
Periodic
Inspection |
Check all of the following items that apply to the jack: |
|
|
- Improper pawl engagement
|
|
|
- Excessive pawl wear
|
|
|
- Chipped, cracked, or worn rack teeth
|
|
|
- Cracked or damaged housing
|
|
|
- Damaged, bent, or worn threads
|
|
|
- Leaking hydraulic fluid
|
|
|
- Scored or damaged plunger
|
|
|
- Improper functioning
|
|
|
- Free movement of swivel, heads, and caps
|
|
|
- Loose bolts or rivets
|
|
|
- Damaged or improperly assembled accessory equipment
|
|
|
- Rack wear or bending
|
|
|
- Other items as specified in the manufacturer's instructions
|
|
|
|
|
|
Watch the jack during operation |
|
|
| More detailed inspection required if a designated person
determines any condition discovered is a hazard |
|
|
Clean and check internal parts for wear or damage if
inspection indicates an internal problem |
|
|
|
