Digga HP450, Руководство оператора, Страница: 26 / 37

MAINTENANCE & SERVICE
IMPORTANT: When replacing parts use only factory approved replacement parts. Manufacturer will not
claim responsibility for use of unapproved parts or accessories and/or other damages as a result of
their use.
PICK REPLACEMENT
Picks should be replaced if you are changing to a different application pick, they are broken, worn, flat
spot or are seized in the pick holder and do not rotate freely.
WARNING! ALWAYS WEAR SAFETY GLASSES WITH SIDE SHIELDS WHEN STRIKING
METAL. FAILURE TO HEED COULD RESULT IN SERIOUS INJURY TO THE EYES
OR OTHER PARTS OF THE BODY. DO ALL PICK MAINTENANCE THROUGH
ACCESS DOOR. DO NOT ATTEMPT TO CHECK THE PICKS WITH THE PROFILER
IN A RAISED POSITION WITHOUT FIRST BLOCKING THE PROFILER. BEFORE
EXERCISING THE MANDATORY SAFETY SHUT- DOWN PROCEDURE
,
FIND AN
ELEVATED SURFACE TO SET THE PROFILER ON OR HAVE A SECOND PERSON
BLOCK THE PROFILER IN PLACE BEFORE SHUTTING DOWN THE MACHINE.
1.
Open front access door.
2.
Rotate the drum until the pick to be removed is conveniently accessible.
3.
Hold the extracting tool (pick puller) in one hand and place the jaws in the groove of the pick,
with the offset handle pointing away from the pick holder.
4.
Using a lead hammer or rubber-headed mallet, hit the raised pad on the tool until the pick starts
to move. Continue tapping until the pick is removed.
5.
Insert the new pick into the jaws of the extracting tool (pick puller) so that the raised pad of the
tool is pointing in the same direction as the pick point.
6.
Position the new pick in the pick holder on the drum and with a lead hammer or rubber- headed
mallet, hit the raised pad of the tool to start the pick into the pick holder. (Clean out any foreign
material from the pick holder before installing the new pick.)
7.
Once the pick is started into the pick holder strike the tool pad one strong blow to pop the pick
into the holder.
PICK REMOVAL PICK INSTALLATION
PICK
EXTRACTING
TOOL
PICK
EXTRACTING
TOOL
PICK
HOLDER
PICK
HOLDER
The pick is properly seated when its shoulder is against the face of the pick holder. Check to be sure
the pick rotates freely.
PM-000068-A DECEMBER 2017
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