Improper Use; Air Bleeding - CLAS OH 9030 Manual De Instrucciones

OH 9030
HIGH LIFT AIR HYDRAULIC JACK 30T
- If the distributor breaks during use, work directly on the ow of air, closing
the safety cock, between the quick coupling of the air inlet and the distributor
itself. DWG. 13
- Before working with the jack, it is advisable to perform a few operations
with no load in order to acquire the sensitivity necessary to work safely with
the jack.

IMPROPER USE

The air-hydraulic jack has been designed and made to lift transport vehicles.
Any other use of the jack, such as for instance lifting and/or moving persons,
is considered to be de nitely improper.
Any use of the jack not in conformity with the safety rules listed in this manual is considered to be improper use.
MAINTENANCE
- To ensure your jack a long life it is advisable to clean the pistons externally once a fortnight.
- Check the level of oil in the tank at least twice a year: this must be done
with the pistons completely lowered. The oil level must be up to the small
bolt that is on the side of the tank. If you have to top up the oil in the tank
make certain the oil you are using is compatible with what is already inside
the tank so as not to compromise machine integrity. DWG.14
- If the oil level is higher than it should be, even by only a little, or if the
jack has been turned upside down (as can easily happen during transport),
the oil is expelled through the suction pump as mist. This phenomenon
disappears on Its own when the oil level hase been restored. If the oil inside
the tank exceeds the level by a lot, it is advisable to remove some until it is back in the norm.

AIR BLEEDING

Each time the jack is serviced, removing and re tting parts connected to the tank and motorpump, it is advisable
to bleed off all air. There are 2 bleeding types for this jack.
Bleeding phases type 1:
1. The piston must be moved out completely.
2. Loosen (NEVER unscrew the dowel completely!) dowel which is in the
hou-sing of the extension on the plate, and let all the air out from the dowel,
continuing until oil starts coming out and then close the dowel. DWG. 15
3. Move the piston back in completely and check the oil level.
4. Try to operate the jack without any load and if the piston lowers in jerks
repeat the procedure at least 2 or 3 times.