PRONAR VMP-10, Manual, Page: 60 / 78

5.8
cylinders must be kept in a position of maximum extraction for the period of 30 seconds. In
case of finding oil leakage on hydraulic pipe joints, one ought to screw the joint tight. If this
operation is not solving the problem, you must replace the pipe or elements of pipe joint.
Each damage of mechanical type cause that subassembly must be replaced. In case of
finding damaged servomotors, one must replace them.
TABLE 5.4 HL32 HYDRAULIC OIL SPECIFICATION
ITEM NAME VALUE
1 Viscosity rating according to ISO 3448VG 32
2 Kinematic viscosity in 40
0
C 28.8 – 35.2 mm
2
/s
3 Quality rating according to ISO 6743/99 HL
4 Quality rating according to DIN 51502 HL
CAUTION
Using the feed car with leaky hydraulic system is strictly forbidden.
Condition of hydraulic system must be checked up to date during operating the feed car.
Hydraulic system in operation is under high pressure.
Control technical conditions of hydraulic pipes and pipe joints on regular basis.
Use hydraulic oil recommended by the manufacturer. Never mix two kinds of oil.
In case replacing hydraulic oil with new one but of other kind, it is necessary to familiarize
with recommendation of oil manufacturer. If manufacturer recommends rinsing the system
with use of special liquid, you must follow those instructions. It is important to remember to
use agents that will not have any negative effect on elements of hydraulic system.
5.6 LUBRICATION
The feed car ought to be lubricated in placed marked on figure ( 5.4A ) and specified in the
table ( 5.5) .