Matco Tools AC442 Operation Manual page 7


The AC442 must always be transported in its operating
position. Never lay the AC442 on its side, as oil could
then escape from the vacuum pump or the built in
compressor could be damaged. There are no additional
safety systems for protecting the AC442 against
damage resulting from natural catastrophes.

We recommend calibrating the scales at least once per
year. Contact customer service for calibration of the scales.

The AC442 must be subjected to regular maintenance by
service personnel or authorized agents to ensure the safety
of the unit.

Disconnect power before performing any maintenance
or service to unit.

Never perform any maintenance work which is not
expressly recommended in this manual. Contact
customer service if components have to be replaced
other than in the course of maintenance work.

The AC442 must be connected to a properly grounded
electrical connection.

If there is damage to the AC442, terminate usage
immediately and contact customer service.

The service hoses and service quick-release couplings must
be regularly checked for wear and replaced if damaged.

The AC442 must be operated in an environment
corresponding to the directive BGR 157 with respect to
the exchange of air.

Observe local laws or directives as to ensure the safety of the
pressurized device.

Follow the pertinent legal regulations or directives to
ensure safe handling of pressurized devices.

For safety reasons it is advisable to use a residual current
operated circuit breaker (rccb) with the following
specifications:
Parameters
Rated voltage
Rated frequency
Rated current
Rated tripping current
Tripping switch

Never remove any components from inside the AC442
except for maintenance or repair purposes.

Avoid using an extension cord with the unit. If
necessary, use a good condition (three wire grounded,
#14AWG or larger) extension cord of the shortest
possible length. In addition, the current drawn by all
devices connected to the wall socket must not exceed
15A total.
110 VAC ± 10%
50/60Hz
10A
30mA
C
| AC442 | 7 en
1901016-85