Initial Operation - Hilti DAG 451S Manual De Instrucciones

Open guard release/lock latch 8 and position guard on spindle neck so that the
two bumps on guard, line up with the two notches on the spindle neck.
Rotate guard either direction to desired position, and close latch to secure
guard in place.
TO REMOVE GUARD: Open guard release/lock latch 8 rotate guard until the
two bumps on guard line up with the two notches on the spindle neck, and lift
guard off the spindle neck.
The closed side of the disc guard 7 must always be positioned towards on
the operator.
Side handle
The side handle must be fitted whenever the machine is in use.
Screw on the side handle 3 on the right or left side of the gear housing, depend-
ing on how the machine is to be used.
Fitting grinding discs, brushes, etc.
(accessories)
Always disconnect the plug from the mains socket before carrying out any
work on the machine!
Use only grindings discs approved for use at the max. permitted no-load
speed of the machine.
Lock the spindle 6 by pressing the spindle lockbutton 4.
Wait until spindle rotation has stopped before pressing the lockbutton!
Discs and rigid grinding discs
Fit the mounting flange 9 onto the spindle 6 so that the recess engages with the
spindle flange (the mounting flange is driven by the spindle).
Screw on the clamping nut 11 and tighten it with the wrench.
Check that the disc is free to rotate before switching on the machine.
Fan-type grinding discs
Remove the disc guard 7. Fit the mounting flange 9 and fan-type grinding disc
onto the spindle 6. Screw on and tighten the clamping nut 11.
Rubber backing pad
Remove the disc guard 7. Fit the rubber backing pad 13 and flexible grinding
disc onto the spindle 6. Screw on the round nut 15* (accessory) and tighten it
with the wrench.
Cup or disc-type brushes
Remove the disc guard 7. Screw the cup or disc-type brush onto the spindle 6
and tighten it with the open-end wrench. The brush attachment must be
screwed on the full length of the spindle thread, i.e. it must fit tightly against the
spindle collar at the end of the thread.

Initial operation

Important: The voltage of the power source must conform to the specifications
printed on the rating plate on the machine.
Switching on:
Switching off:
Locking switch: Slide the ON/OFF switch 2 further forwards
Printed: 07.07.2013 | Doc-Nr: PUB / 5069465 / 000 / 00
Slide the ON/OFF switch 2 forwards.
Release the ON/OFF switch 2.
and press it down to lock it in the ON position.