Initial Tool Set Up/Assembly; Air Supply; Hydraulic System - Harbor Freight Tools Pittsburgh Automotive 95553 User Manual

Air/hydraulic bottle jack
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Initial Tool Set Up/Assembly

Read the ENTIRE IMPORTANT SAFETY
INFORMATION section at the beginning of
this manual including all text under
subheadings therein before set up or use of
this product.
Note: For additional information regarding the
parts listed in the following pages, refer to the
Assembly Diagram near the end of this manual.
Note: This air tool may be shipped with a protective plug
covering the air inlet. Remove this plug before set up.

Air Supply

TO PREVENT SERIOUS INJURY
FROM EXPLOSION:
Use only clean, dry, regulated, compressed
air to power this tool. Do not use oxygen,
carbon dioxide, combustible gases, or any
other bottled gas as a power source for this tool.
1.
Incorporate a filter, regulator with pressure gauge,
oiler, in-line shutoff valve, and quick coupler for
best service, as shown on Figure A on page 6
and Figure B on page 7. The recommended
air line for this tool is 3/8 IN. delivering no
more than 120 PSI with an 1/4 IN. - 18 NPT
air inlet size. An in-line shutoff ball valve
is an important safety device because it
controls the air supply even if the air hose
is ruptured. The shutoff valve should be a
ball valve because it can be closed quickly.
Note: If an automatic oiler system is not used,
add a few drops of Pneumatic Tool Oil to the
airline connection before operation. Add a few
more drops after each hour of continual use.
2.
Attach an air hose to the compressor's air outlet.
Connect the air hose to the air inlet of the tool.
Other components, such as a coupler plug
and quick coupler, will make operation
more efficient, but are not required.
WARNING! TO PREVENT SERIOUS INJURY
FROM ACCIDENTAL OPERATION:
Do not install a female quick coupler on the tool.
Such a coupler contains an air valve that will
allow the air tool to retain pressure and operate
accidentally after the air supply is disconnected.
Note: Air flow, and therefore tool performance,
can be hindered by undersized air supply components.
The air hose must be long enough to reach
the work area with enough extra length to
allow free movement while working.
SKU 94487 95553
For technical questions, please call 1-800-444-3353.
3.
Turn the tool's throttle or switch to the
off position; refer to Operation section
for description of controls.
4.
Close the in-line shutoff valve between
the compressor and the tool.
5.
Turn on the air compressor according to
the manufacturer's directions and allow it
to build up pressure until it cycles off.
6.
Adjust the air compressor's output regulator
so that the air output is enough to properly
power the tool, but the output will not exceed
the tool's maximum air pressure at any time.
Adjust the pressure gradually, while checking the
air output gauge to set the right pressure range.
7.
Inspect the air connections for leaks.
Repair any leaks found.
8.
If the tool will not be used at this time, turn off
and detach the air supply, safely discharge any
residual air pressure, and release the throttle
and/or turn the switch to its off position to prevent
accidental operation.
Note: Residual air pressure should not be present
after the tool is disconnected from the air supply.
However, it is a good safety measure to attempt to
discharge the tool in a safe fashion after disconnecting
to ensure that the tool is disconnected and unpowered.
Purging Air From

Hydraulic System

Note: Before first use, the hydraulic ram may
need to be purged. Some air may intrude in the
hydraulic system due to movement during shipping.
Air bubbles can become trapped inside the hydraulic
system, thereby reducing the efficiency of the Jack.
Purge air from the system if efficiency drops.
1.
Place the slotted end of the Jack Handle (45)
over the Release Valve (4) and turn
1-1/2 turns counterclockwise.
2.
Remove the Oil Filler Plug (16) on
the side of the Jack Reservoir (15) by
gently turning counterclockwise.
3.
Rapidly pump the Handle several times to
purge air from the hydraulic system.
4.
Use the Handle to turn the Release
Valve screw clockwise until snug.
5.
Top off Jack Reservoir with a
high quality hydraulic jack oil.
Page 5

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