MAINTENANCE OPERA
MAINTENANCE OPERATIONS T
TIONS TO BE PERFORMED BY THE USER
O BE PERFORMED BY THE USER
- 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.
CHECK THE OIL LEVEL
CHECK THE OIL LEVEL
IMPOR
IMPORT
TANT
ANT: the maximum quantity of oil in this jack is 7.7 L. Compatible oil: ATF DEXRON IID
Please follow the steps listed here to check the oil level:
1. Bleed off the air (see procedure in the next section)
2. Position the jack horizontally with the pistons down
3. Undo the screw,
POS. 9 GRP1GRS
POS. 9 GRP1GRS
(see DWG 15
DWG 15)
4. If, once this screw has been undone, no oil comes out it means the level is too low. Add oil in this case. The level must
be at the height of the screw
POS. 9 GRP1GRS
POS. 9 GRP1GRS
.
5. If oil does come out, let the excess quantity drain off until the right level is reached (see point 4).
AIR BLEEDING
AIR BLEEDING
Each time the jack is serviced, removing and refitting parts connected to the tank and motorpump, it is advisable to bleed
off all air.
Bleeding phases:
1. The piston must be moved out completely.
2. Loosen (NEVER unscrew the dowel completely!) dowel
POS. 24 GRP1GCI
POS. 24 GRP1GCI
which is in the housing 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. 16)
(DWG. 16)
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.
MAINTENANCE OPERA
MAINTENANCE OPERATIONS T
TIONS TO BE PERFORMED ONL
O BE PERFORMED ONLY BY A
Y BY A
QUALIFIED TECHNICIAN
QUALIFIED TECHNICIAN
When maintenance or an overhaul of the jack is required, use only genuine spare parts to ensure the utmost reliability for
the jack.
THE MOT
THE MOTOR DOES NOT WORK, OR RUNS POORL
OR DOES NOT WORK, OR RUNS POORLY
Y
- Check that there are no kinks or blockages in the air supply line, and that the pressure of the compressed air circuit
is at least 8 bar - 116 PSI.
- Check that the distributor
POS. 4 - A06069
POS. 4 - A06069
is working correctly by disconnecting the hoses and checking that air
passes through.
- Check the gaskets on the cylinder
POS. 23 A06065
POS. 23 A06065
. If worn, replace them (KIT KMYAK330/S)
THE JACK DOES NOT LIFT THE LOAD
THE JACK DOES NOT LIFT THE LOAD
- Check the quantity of hydraulic fluid in the tank (see procedure "Checking the hydraulic fluid level" in the
"maintenance operations to be performed by the user" section). - There is dirt underneath the valves: remove the
casing, close the cock
POS. 10 - A06067
POS. 10 - A06067
, turn the jack over so that the cylinder is in horizontal position and the
motor pump in vertical position, unscrew the cap
POS. 9 A06065
POS. 9 A06065
, remove the balls and springs and blow air inside
EN
EN
15
Summary of Contents for YAK 330/S
Page 11: ...Air Hydraulic Jack 80 t Model Air Hydraulic Jack 80 t Model Y YAK 330 S AK 330 S EN EN 11 ...
Page 35: ...Gato Oleoneumatico 80 t Modelo Gato Oleoneumatico 80 t Modelo Y YAK 330 S AK 330 S ES ES 35 ...
Page 42: ...42 ...
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Page 46: ...T TA AV 1 V 1 YAK330 S REV 0 46 ...
Page 47: ...T TA AV 2 V 2 47 ...
Page 48: ...T TA AV 3 V 3 48 ...
Page 49: ...T TA AV 4 V 4 49 ...
Page 50: ...T TA AV 5 V 5 50 ...
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