Hilti UD 4 Operating instructions

HOW TO CHANGE
SUPPLY CORD FOR
HILTI DRILL UD 4
www.hilti.group
Connect with us
Turn the 9 screws off the body,
take out the cover.
STEP 1
Place the cable holder and
cable into its place carefully.
STEP 5
Turn the two screws off to
release the cable holder.
STEP 2
Screw the cable holder back
into its place.
STEP 6
Loosen the two screws which is
under the cable holder to release
the cable. Take black and white
cables out.
STEP 3
Put the cover back in place, make
sure none of the cables are stuck.
STEP 7
Put the new cable in place. Tighten
the screw after inserting black and
white cables as before.
STEP 4
Fix all the 9 screws back.
STEP 8
SELF-SERVICE

SELF-SERVICE
HOW TO CHANGE
CARBON BRUSHES
FOR HILTI DRILL UD 4
www.hilti.group
Connect with us
Turn the 9 screws off the body,
take out the cover.
STEP 1
Connect the new brushes
STEP 5
Remove two brushes from their
holders with the help
of a screw driver
STEP 2
Insert brushes into their holders
STEP 6
Loosen the connector with the
screwdriver, take the brush out.
STEP 3
Place the brushes with the holders
into their places over rotor. Make
sure that no cables are trapped.
STEP 7
Retighten the connectors
STEP 4
Put the cover back on and screw it.
STEP 8

SELF-SERVICE
HOW TO CHANGE
SWITCH FOR HILTI
DRILL UD 4
www.hilti.group
Connect with us
Turn the 9 screws off the body,
take out the cover.
STEP 1
Take out the switch and put the
new one.
STEP 5
Remove the power cord.
Unscrew the cord
from plastic cover
STEP 2
Connect all 4 cables to the stator
in the same position as
the original switch.
STEP 6
Unscrew the cord from the switch.
STEP 3
Reinsert the carbon brushes and
cord. Be sure that no
cables are trapped.
STEP 7
Loosen the connector with the
screwdriver, take the carbon
brushes out.
STEP 4
Put the cover back on and screw it.
STEP 8