Setting / Adjustment; Mains Connection; Dust Extraction; Replacing Abrasives - Mafell UVA 115 E Original Operating Instructions

4

Setting / Adjustment

4.1 Mains connection

Prior to commissioning make sure that the mains
voltage complies with the operating voltage stated on
the machine's rating plate.

4.2 Dust extraction

Connect the machine to a suitable external dust
extractor during all work generating a considerable
amount of dust. The air velocity must be at least 20
m/s (65.6 ft / sec.).
The internal diameter of hose connector is 35 mm ( 1
3/8 in.).
Correct dust extraction can only be guaranteed if an
abrasive grid or punched sanding paper is used. As
the sander is equipped with its own dust extraction, it
is possible to work with the sander's own dust
extraction and the filter bag supplied for short
assignments and in inaccessible areas. Make sure
that the filter bag is replaced on a regular basis (Fig.
5 and 6).

4.3 Replacing abrasives

Danger
Pull the power plug during all
service work.
Attaching abrasives with hook and loop fastening
(Fig. 2)
The hook and loop fastening makes a quick
replacement of the sanding sheets possible.

Remove any dirt and dust from sanding pad 6 or
7 before mounting a new sanding sheet.

When abrasive grids are used, the Velco strip of
the sanding pad can be covered with protective
layer 9 or 10 to prevent excessive wear.

When positioning the protective layer, pay
attention that the drill holes correspond to those
of the sanding pad.

Make sure that the clamping brackets 4 (Fig. 1)
are always locked in position when working.
Loose clamping brackets wear and may
damage the casing of the orbital sander.

Only use original MAFELL abrasives.
Attaching sanding paper without Velcro fastening
(Fig. 3)

Release clamping bracket 4 by simultaneously
lifting the two rounded ends 5 upwards.

Remove the old sanding paper and insert a new
sheet.

When positioning the sanding sheet, pay
attention that the drill holes correspond to those
of the sanding pad.

By exerting pressure on clamping brackets 4
you fasten and clamp the sanding sheet in
position.

Make sure that the release levers on both sides
engage.

4.4 Installation of the delta grinding plate

Installation of the delta grinding plate
(Fig. 4)

Open the clamping bracket 4 by lifting the
rounded edges 5 on both sides and pulling back
the clamping bracket. Then, press the two
brackets against each other from the outside
and remove clamping bracket 4 from the
sanding pad.

Insert delta sanding plate 7 with its two cams
from the front into sanding pad 6. Attach the
delta sanding plate 7 with screw 11 to sanding
plate 6.

4.5 Additional handle

If necessary, the additional handle 12 can be
removed from the machine with the integrated screw
13 using the enclosed hexagon screw driver.
5

Operation

5.1 Initial operation

Personnel entrusted to work with the machine must
be made aware of the operating instructions, calling
particular attention
instructions".

5.2 Switching on and off

Short operation
-16-
to the chapter "Safety