Maintenance Every 2 Years; Maintenance Every 6 Years; Cleaning And Care Of The System - Nussbaum SPRINTER MOBIL 2500 Instrucciones De Servicio

To change oil, lower the lift is to its lowest position then suction the oil out
of the oil container and replace the contents.
The manufacturer recommends a high-quality clean hydraulic oil. The
required oil volume and type is to be taken from the technical data.
After filling, the hydraulic oil must be between the upper and lower mar-
king on the oil dipstick, or approx. 2 cm below the oil filling opening.
Dispose of the old oil according to regulations to the intended location
(district offices, environmental protection office or commercial regulato-
ry office has the obligation to disclose about disposal points).
• All weld seams must have a visual inspection. Stop the system and
contact the manufacturer if there are cracks or breaks in weld seams.
• Check the powder coating and improve if required.
Damage by external influences is to be treated immediately after de-
tection. If these points are not treated, infiltration of deposits of all kinds
can cause wide-ranging and permanent damage.
These points are to be lightly sanded (120 grit), cleaned and degreased.
Afterwards, rework with a suitable touch up paint (note the RAL No.).
• Check galvanized surfaces and touch up as needed. White rust is fo-
stered by permanent humidity, poor ventilation.
Rust is brought out by mechanical damage, wear, aggressive deposits
(de-icing salt, leaking operating fluids) cleaning that is not done or in-
complete.
The affected areas can be treated by using a sanding cloth (A 280 grit).
If required, the parts are to be treated with a suitable, resistant material
(paint etc.).
• Check the protective hose and hydraulic hoses:
• Check the condition of the protective hose around the hydraulic lines.
These should be exchanged if there is damage. During this, check hy-
draulic lines for any crushing points (from third party influences, e.g rol-
ling over it with a load). Any affected lines must be exchanged. Other-
wise pressurized hoses must be exchange as required, however at latest
after 6 years.Der Schutzschlauch und die Hydraulikschläuche prüfen:
Hose lines are to be replaced:
• for damage to the outer coating up to the insert (chafe marks, cuts,
cracks)
• for brittleness of the outer coating (crack formation), deformation of
the natural shape in the depressurized and in pressurized states.
• if leaking
• for damage or deformation of the mounting fixture
• if the mounting fixture has meandered
• if the lifetime has been exceeded
Repair of the hose line using the implemented hose / mounting fixture is
not permitted!
Extending the replacement intervals given in the guideline is possible
if the inspection for safe-work condition is done in adjusted, shortened
time frames, if required and by competent personnel.
If ther is an extension of the replacement interval, no situation may oc-
cur which could result in injury of employees or other personnel.
• For systems with aluminium panelling, these must be removed to clean
the drive in rails of dirt.
• Check the torque of the fastening anchor.
• The condition and function of the load suspension means are to be che-
cked.
• Check the torque of the fastening screws. Also see the assembly pro-
tocol.
32
Torque (Nm) for shaft screws:
Fastening class 8.8
0,08* 0,12**
M8 17,9 23,1
M10 36 46
M12 61 80
M16 147 194
M20 297 391
M24 512 675
Fastening class 10.9
0,08* 0,12**
M8 26,2 34
M10 53 68
M12 90 117
M16 216 285
M20 423 557
M24 730 960
* Lubricated slide friction number 0,8 MoS2
** Lightly oiled slide friction number 0,12
*** Ensured slide friction number 0,14 screw with micro-encapsulated plastic
• The system is fitted with no-maintenance DU sliding bearings. Despite
this, due to environmental influences of various kinds (e.g. humidity, dust,
dirt) bearing zones may become noisy.
In this case, spray the affected areas with an acid and resin free oil spray
(no adhesive oil or biologically degradable oil). Noises normally occur
after the system has been raised and lowered several times.
• Check the function of the CE STOP with warning signal.
6.1.3

Maintenance every 2 years

• Change the hydraulic oil according to manufacturers instructions.
6.1.4

Maintenance every 6 years

• Exchange the protective and hydraulic hoses.
Excerpt from BGR 237
Specifications for the hydraulic hose lines:
• Normal specification:
6 years including 2 years storage time.
• Increased demands e.g. due to increased usage times, e.g. multi-
shift operation, short cycle times and pressure impulses and large
external and internal (due to medium) influences which significantly
reduce the lifetime of the hose lines:
2 year operation duration
6.2

Cleaning and care of the system

A regular and expert clean helps retain the value of the system.
Additionally, it can also be a pre-requisiste for the preservation of guaran-
tee claims for any eventual corrosion damage.
The best protection for the system is regular removal of contaminants of
any kind.
This includes above all:
• De-icing salt
• Sand, pebbles, earth
• Industrial dust of all types
• Water, also in connection with other environmental influences
• Aggressive deposits of all types
• Permanent humidity due to insufficient ventilation
The frequency of system cleaning depends, among other things on the
frequency of use, of system handling, of workshop cleanliness, and the lo-
cation of the system.
Furthermore, the degree of contamination depends on the time of year,
the weather conditions and workshop ventilation.
Version 1.0 20110005 SPRINTER MOBIL 2500-3000 - HYMAX PRO 2500-3000 OPI
0,14***
25,3
51
87
214
430
743
0,14***
37,2
75
128
314
615
1060