Care And Maintenance; Cleaning And Drying; Troubleshooting - Hilti PRA 90 Bedienungsanleitung

7.4 Working with the tripod without remote
control 4
1. Press the On/Off button on the tripod.
The tripod switches on.
2. On the control panel of the tripod, press the ap-
propriate arrow buttons in order to move the tripod
upwards or downwards.
en
7.5 Working with the tripod using the PRA 92
remote control unit (accessory) 1 5 8
Before use, the remote control unit must be paired with
the tripod in order to enable communication between the
two appliances.

8 Care and maintenance

8.1 Cleaning and drying

1. Always keep the threaded rod free from coarse dirt,
especially concrete residue.
2. Use only a clean, soft cloth for cleaning. If necessary,
moisten the cloth slightly with pure alcohol or a little
water.
NOTE Do not use any other liquids as these may
damage the plastic components.
3. Observe the temperature limits when storing your
equipment, especially in winter / summer if you
keep your equipment inside a motor vehicle (-25°C
to +60°C).
8.2 Storage
Remove the tool from its case if it has become wet.
The tool, its carrying case and accessories should be

9 Troubleshooting

Fault
Automatic alignment not suc-
cessful.
Setting the monitoring mode is
not successful.
20
All manuals and user guides at all-guides.com
Possible cause
Excessively high level of vibration
caused by external influences (wind,
for example), tripod is outside the op-
erating distance or the desired height
is outside the maximum possible set-
ting height.
Excessively high level of vibration
caused by external influences (wind,
for example), tripod is outside the op-
erating distance or the desired height
is outside the maximum possible set-
ting height.
1. Press the On/Off button on the tripod and on the
remote control unit and hold the buttons pressed for
at least 3 seconds.
2. On the keypad of the remote control unit, press
the appropriate arrow buttons in order to move the
tripod upwards or downwards.
NOTE In order to achieve a perfectly satisfactory
and maximum radio range, always align the control
panel of the tripod towards the PRA 92.
When the tripod is moved (by traveling upwards
or downwards), most rotating lasers indicate either
"Shock" and adjust their level or they show "Shock"
and switch off. In the first minute, the Hilti models
PRE 3, PR 20, PR 25, PR 26 and PRE 38 only
perform a leveling operation. In the leveling phase,
the laser plane can no longer be seen for a short
time.
cleaned and dried (at maximum 40°C / 104°F). Repack
the equipment only once it is completely dry.
Check the accuracy of the equipment before it is used
after a long period of storage or transportation.
Remove the batteries from the tool before storing it for a
long period. Leaking batteries may damage the tool.
8.3 Transport 20
CAUTION
Ensure that, when use of the PRA 90 is completed,
the threaded rod has always been fully wound down
before the legs of the tripod are folded together.
When transporting your equipment yourself or having it
sent by carrier, use either the Hilti shipping box, the Hilti
transport bag or equivalent packaging.
CAUTION
Always remove the battery/batteries from the appli-
ance before sending by carrier.
Remedy
The tripod must be set up better by
fully folding out the tripod legs.
The tripod must be placed nearer to
the PRA 35 and/or the tripod control
panel must be aligned towards the
PRA 35.
The tripod must be set up better by
fully folding out the tripod legs.
The tripod must be placed nearer to
the PRA 35 and/or the tripod control
panel must be aligned towards the
PRA 35.