Harbor Freight Tools Model 99792 User Manual
Page 11
SKU 99792
For technical questions, please call 1-800-444-3353.
Page 11
8.
Fig. 5
Re-insert the Lockcoil Spring (17) all
the way into the slot on the sleeve
with only the triangular wire ring left
outside (see Fig. 5). Pull on the chisel
vigorously to make sure the chisel
is securely locked into the Retain-
ing Sleeve (16) before attaching the
Chipper Hammer to an air source.
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.
Inspect tool before use, looking
for damaged, loose, and
missing parts. If any problems
are found, do not use tool until
repaired.
Work Piece and Work Area Set Up
1. Designate a work area that is clean
and well-lit. The work area must not
allow access by spectators, children
or pets to prevent injury and distrac-
tion.
2. Route the air hose along a safe route
to reach the work area without creat-
ing a tripping hazard or exposing the
air hose to possible damage. The air
hose must be long enough to reach
the work area with enough extra
length to allow free movement while
working.
3. There must not be hazardous ob-
jects (such as utility lines or foreign
objects) nearby that will present a
hazard while working.
General Operating Instructions
1. If an automatic oiler is not used, add
a few drops of Pneumatic Tool Oil
to the airline connection before use.
Add a few drops more after each
hour of continual use.
2. Always wear ANSI-approved safety
goggles and full face shield, dust
mask along with ear protection when
operating the Chipping Hammer.
3. Be aware of flying concrete chips.
Keep all spectators clear of the work
area.
4. Do not operate this tool if you have
back, neck, wrist or other conditions
or injuries that will be aggravated by
the severe jerking forces that this tool
exerts upon its operator.
5. Use the weight of the Chipping Ham-
mer to your advantage while breaking
up concrete. Keep the tool in a verti-
cal position whenever possible.
Warning: If the Chipping Hammer should
ever gets out of control, release the
Throttle Lever immediately.
Note: This tool is intended to break up
larger pieces of concrete only.