Operating instructions

METTLER TOLEDO DE40/50/51 Density Meter 79
15.2 Installation
- Switch off the DE40/DE50/DE51 and
disconnect the power cable.
- Place the unit backside down as shown to
attach two rails for the holder of the waste
bottle.
Fasten Rail 1 by two screws. Slide in the
board into rail 1 and 2, and then fasten
rail 2 by two screws.
- The board can be slid under the instrument if
it is not in use.
- Detach rear panel and plate. Undo the four
screws fastened to the rear panel and pull
the small plate out of the panel as shown
(sits very tight).
- Remove the three large screws (marked with
red) just right of the air pump unit. These
screws are used as transportation security to
hold the measuring cell, which is mounted on
shock absorbers, firmly against the chassis
during transportation. Make sure to keep
these screws for future need of re-shipping.
- Remove the air pump.
a) Undo three screws fastened to the
pump unit.
b) Disconnect the pump connector (1) and
dry air tube (2).
c) Move the pump unit first to the right (ca.
3 cm), then up and remove it.
Note: Disconnect the dry air tube carefully in
order to avoid damage.
2
1
Automatic sampling pump
rail 1
rail 2