Page 10
For technical questions, please call 1‑800‑444‑3353.
SKU 68150
7. To prevent accidents, turn off the
tool and disconnect its power supply
after use. Clean, then store the tool
indoors out of children’s reach.
MAINTENANCE AND
SERVICING
Procedures not specifically
explained in this manual
must be performed only by
a qualified technician.
NOTE: The Demolition Hammer will
cease operation once Carbon
Brushes are worn. Check
Brushes every 100 hours and,
when necessary, replace them.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
OPERATION: Release the Trigger
Switch and unplug the tool from
its electrical outlet before
performing any inspection,
maintenance, or cleaning
procedures.
TO PREVENT SERIOUS INJURY
FROM TOOL FAILURE:
Do not use damaged equipment.
If abnormal noise or vibration
occurs, have the problem
corrected before further use.
Maintenance, and Lubrication
1.
BEFORE EACH USE,
inspect the
general condition of the tool. Check
for loose hardware, misalignment
or binding of moving parts, cracked
or broken parts, damaged electrical
wiring, and any other condition that
may affect its safe operation.
2.
AFTER USE,
wipe external surfaces
of the tool with clean cloth.
3. Wipe tool with a lint-free cloth
after each use to remove all
dust and grit from the tool.
NOTE: The Demolition Hammer has an
air‑tight construction, allowing for
three months of continuous usage
before lubrication is needed.
4. Check the Oil Gauge (61) located
on the underside of the housing.
5. If oil is low, remove the Oil Plug
(56A) and use the Oil Bottle
(904) to fill tool with 1-1/3 ounces
of Rotella #40 Engine Oil.
6. Replace the Oil Plug.
7. Examine the tool before each use. Make
sure the Chisel is sharp and not dull
or cracked. Replace worn or broken
Chisels with approved replacement
Chisels from Harbor Freight Tools.
8. Check that all mounting screws are
tightened. Retighten any loose screws.
9. Store in temperatures no
lower than 50-60° F.
10.
WARNING! If the supply cord
of this power tool is damaged,
it must be replaced only by a
qualified service technician.
Replacing Carbon Brushes
NOTE: The Demolition Hammer will
cease operation once Carbon
Brushes are worn. Check Brushes
every 100‑120 hours and, when
necessary, replace them.
1. Use screwdriver to remove
the Carbon Brush Cover (69).
See Figure 1 on page 8.
