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MAINTENANCE
MAINTENANCE OPERATIONS MUST BE CARRIED OUT BY EXPERT PERSONNEL AFTER TURNING OFF THE ENGINE, DISCONNECTING THE
POWER SUPPLY.
Periodically check the tension of the transmission belts, expecially during the first days of work, in order to avoid the chains sliding
thus the blocking of the drum. Periodically grease the rotation crown of the drum. To effect this operation, loose the lower
protection of the crown and, with a spatula, strew it with grease, turn the drum ( keep hands clear the drum) and grease the part to
complete greasing. So refit the protection. Grease the rotation pin of the
skip.Check periodically the deterioration of the upper roller of the crown. This
adjustement must be effected if, when the drum is empty, there is some room (
lifting the drum from the opening).Please turn the screw (on the top of roller
support).
Periodically check the oil level and, if required, add it to motor reducer and to
scraping shovel reducer. - Change the oil after first 1000 hours of work (or one
year as a maximum); afterwards change the oil after 2000 hours of operation
(two years as a maximum). Use SAE 30/40 oil for motor reducer and SAE 90 oil
for scraping shovel reducer.
About the hydraulic system :
- Periodically check the hydraulic oil level, the oil level must be up from 2 cmm
on the upper part of the tank and half of it. The first oil change must be effected (
max 1 year) after the first 1000 hours of operation ( change also the oil filter in
the oil tank- for the machine with this optional)
Afterwards, periodically check the oil level and, if required, adjust it. Clean oil
filter with petrol; dry it thoroughly and replace it in its seat.
Use AGIP ACER 32 oil. ( for PENTA 500/750 the oil level must be
included between 25 mm ( max) and 80 mm ( min).
SCRAPING SHOVEL
Grease the axle of the driving pulley and make sure that the cable is not deteriorated, otherwise replace it ( with a identical cable )
and refit them correctly as the original.
Set the shovel gearmotor (if it is strong) , slaking the block nut and turning the screw, that adjust the braking, Tighten the nut.
CONCRETE MIXER WITH DIESEL ENGINE
About the maintenance operation please refer to owner's manual of the manufacturer.
Periodically check the tension of the transmission belt of the inverter. In order to do that, make the reverser/engine flow to obtain
the fastening of the belts.Check the tension by pressing the fingers on the belts. The belts have to be firm ( not too loose and not too
firm). Fasten bolts and nuts of the engine/reverser..
INCOVENIENTS AND REMEDIES
The skip does not lift
When the drum is full the rotation slows down
The machine makes too much vibrations
The engine does not start
The engine stops while loading the drum
The drum does not turn even if the buttons are pulled
console
CONCRETE-MIXER WITH DIESEL ENGINE
The engine does not start
The engine with electric starting starts with difficulties
CONCRETE-MIXER WITH SCRAPING SHOVEL
The shovel go down with difficulties
For any problems, you are recommended to contact one of our dealer
LABELS AND STICKERS ON THE MACHINE
alluminium label showing identification datas of the machine ( on the frame)
label showing the direction of rotation
label showing the operating cycle ( MIXING – Unloaded)( near the buttons)
label for the use of protection devices such as ear-muffiers
label that signalise an area with mechanical tools moving
label for electric tension ( showing also the Volt value)
label with earthing symbol ( near the screw for the earthing)
label showing water-tap
label showing dangerous area
label showing the position of the skip (near the distributor level)
Check the oil level of the hydraulic system – the drum is down loading
the materials
Check the tension fo the belts
Check that the 4 stabilizers are firmthe stability of the machine
Check the supply tension
Check the supply alimentation or the concrete. Check if the drum is too
full.
Check if the emergency button is on. Check the connections on the control
Check the fuel- Check if the lever which leads the stop is in its place
Check the battery
Loose the gear motor brake
Pag. 7
Serie PENTA – rev. 07 IT – GB - FR
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