Operating Malfunctions; Maintenance - Bertrand Puma HYDRAULIQUE D 20 Notice D'instructions

Instruction manual for D20 hydraulic divider

5 Operating malfunctions___________________________

DISCONNECT THE MACHINE BEFORE
ANY INTERVENTION
5.1 STARTING PROBLEMS:
•
If the divider does not start, check:
- That the divider is plugged in
- That the power supply from the socket
corresponds with the one stated on the ratings
plate
- That the disconnection switch is in the ON
position
- That there is nothing blocking the machine's
interior mechanical parts
- The condition of the fuses in the electrical
cabinet
- The magneto-thermal circuit breaker
- That the motor start microswitch located on the
hydraulic distributor (behind the divider's front
panel) is connected and operating correctly
• If moving the control lever starts the motor but
does not activate raising or lowering:

6 Maintenance_________________________________________

DISCONNECT THE MACHINE BEFORE
ANY INTERVENTION
6.1 SERVICING BY A TECHNICIAN:
•
Once every 18 months it is recommended to:
- Check the condition of the lid locking
mechanism
- Check the oil level in the hydraulic unit
- Open the rear door to check the oil level in the
tank
- Place the head in the lower position and
unscrew the breather plug on the tank. Oil
should reach 2cm below the tank lid
- Check there is no leak at the connections
(distributor, power unit and cylinder)
- Thoroughly clean the divider throughout (see
§4.2)
If the problem persists contact your
retailer's maintenance service.
- Unplug the machine
- Switch the two phase wires on the plug
- Plug in again and test
5.2 OIL LEAK:
•
If oil leaks out onto the floor:
- Turn the disconnecting switch to the OFF
position
- Remove the side panels using a screwdriver
- Check the hose connections on the distributor
and hydraulic unit
- Locate the leak and retighten the hoses
- If the leak persists (especially when located in
the cylinder) call your reseller's maintenance
department for diagnosis and repair
Machine cleaning operations are a
significant source of flour dust emission
6.2 POWER UNIT OIL CHANGE:
•
Consult
department:
- Ensure the complete head/cutters unit is in the
lowered position
- Unplug the machine
- Remove the side panels using a screwdriver
- Remove the hoses after marking each one for
identification purposes
- Protect the openings of the hoses and the
hydraulic unit
- Drain the tank (if required remove the power
unit)
- Fill the unit with new oil (having replaced the
hoses)
-
Run a few cycles and check the oil level in the
tank (in the lowered position, it should reach
about 2cm below the stopper)
8/18 ref 51216681 - rev 1 - 17.07.12 - ENGLISH
your reseller's maintenance