5
LUBRICATION (FIG. 7, 8)
1. Turn on the hammer with no load speed
for 5 minutes to warm up the hammer.
1. Loose the two screws (1) at the bottom
of the motor with a cross screwdriver.
2. Remove the metal cover (2), the motor
cover (3) and the black plastic cover (4).
3. Get rid of the old carbon brush and
replace a new one. Then, lock the black
plastic cover (4) back.
4. Repeat above steps for the other side of
the carbon brush.
5. After replace two carbon brushes,
lock the motor cover (3) and the metal
cover (2) with two screws (1) in order.
2. Put the chisel of the hammer upward and
the handle downward for 5 minutes as
shown in Fig. 7 to let the used lubricant
gather in the crank case.
3. After 5 minutes, turn the hammer back
to normal direction. Remove the four
screws (1) from the crankcase cover (2)
with a 3 mm hex wrench. (Fig. 8)
4. Get rid of the used lubricant in the
crankcase and clean inside, then
replenish with new lubricant (3).
5. Put the crankcase cover (2) back and
tighten with the four screws (1).
WARNING!
●
After using the hammer for over 24
hours, you must check the situation
of the lubrication to see if you need
to add the lubricant.
●
After you replace the carbon brush
(or after using over 100 hours),
please change the lubricant.
●
Be sure to use the standard hammer
drill oil.
WARNING! The amount of the lubricant for
every change should be 30 g. If the amount
was too much or less, it may cause
damage to the hammer.
Maintenance
REPLACING THE CARBON BRUSH
(FIG. 6)
WARNING! Before maintaining the
demolition hammer, make sure you
have disconnected the plug to power
source outlet.
WARNING! Please check the carbon
brush regularly. If the carbon brush was
worn out or the spring or the power
cord were broken or burned out, please
replace the two carbon brushes in the
motor together.
Please be aware of the heat and do not
be scalded.
4.
If you find that the hammer is powerless
function while operating the hammer,
please check the lubricant is enough or
not. It not, please replenish or change it.
Summary of Contents for DH410R
Page 1: ...1 410 MM DEMOLITION HAMMER DH410R GB INSTRUCTION MANUAL ...
Page 2: ...2 CONTENTS GB P 1 5 The original instruction manual is in English ...
Page 9: ...6 3 1 2 2 1 3 4 8 1 4 5 3 2 6 7 Fig 1 Fig 2 Fig 3 ...
Page 10: ...7 1 2 1 2 Fig 5 Fig 4 bottom line 1 2 3 1 1 2 3 4 Fig 6 Fig 7 Fig 8 ...
Page 12: ...9 Schematic MODEL DH410R 3V8J ...
Page 13: ...10 NOTES ...
Page 14: ...11 NOTES ...
Page 15: ...12 NOTES ...
Page 16: ...13 ...
