R
EN
3. MAINTENANCE
3.1 Both the maintenance and repair of this jack may only be carried out by qualified and authorized personnel.
3.2 Before performing any maintenance operation, disconnect the air supply hose from the connection (1) located in the handle (NP15-2B)
and (C) located in the handle (N10-3,N15-2, N15-2B, N15-4, N20-3, N25).
UP Down
M
UP
Down
G
C
Off
3.3 Clean and lubricate the moving parts of the jack at regular intervals and introduce a small amount of lubricant in the air inlet connection.
The whole jack should be kept clean and protected from aggressive conditions at all times.
3.4 Oil Level The pistons should be fully retracted prior to proceeding to check or refill the oil level. The oil level is correct when it is
between the two marks on the rod. Refill as required in accordance with the volume indicated in the table.
3.5 If the oil needs to be replaced, place the jack between two supports so that the connecting tube
can be removed from the racord
and the oil collected in a container to be handed over to an authorised agent.
Other method to remove the oil: Using a pneumatic oil extractor, placing the jack in a slanted lateral position ,disassembling the tank etc.
3.6 Important: An excess of oil may affect the operation of the jack.
3.7 Only use hydraulic oil, type HL or HM, with a maximum ISO grade of cinematic viscosity of 30 cSt at 40º, or an Engler viscosity of 3 at
50ºC.
3.8 Extremely Important: Never use brake fluid.
3.9 Always use original parts. The use of non-original components may damage the jack and will invalidate the guarantee.
3.10 Damaged or illegible labels should be replaced with new ones.
3.11 Whenever the jack is not in use, the pistons should be fully retracted so as to reduce the risk of corrosion.
3.12 When ordering spare parts, please state the reference indicated in the general chart.
10040002001.03.
.20
10
Jun