Linde H50D - Page 118

5 Maintenance
Recommendations for consumables
for hydrostatic drive units. The recommenda-
tions for oils given below can only be taken as
guide values.
Hydraulic oil recommendations for normal
use:
Hydraulic oil ISO - L - HM 68 to IS
O 6743 -
4orHLPISOVG68in accordanc
e with
DIN 51524, T.2 (factory filli
ng) average
constant oil temperature 60
°C–80°C.
Hydraulic oil recommendations for heavy-duty
use:
Hydraulic oil ISO - L - HM 100 to ISO 6743
- 4 or HLP ISO VG 100 in accordance with
DIN 51524, T.2 for heavy-duty and multi-shift
use, operation in hot climate zones or at high
ambient temperatures, average constant oil
temperature over 80 °C.
Hydraulic oil recommenda
tions for normal and
heavy-duty use:
Hydraulic oil ISO - L - HV 68 to ISO 6743
- 4 or HVLP ISO VG 68 to DIN 51524, T.3
(multi-grade oil)
Bio-hydraulic oil
Highly biodegradable hydraulic fluid
Aral Forbex SE 46
CAUTION
Bio-oils must not be mixed with mineral oils.
No recommendations for other fluids from other
manufacturers can be made at the present time.
NOTE
If in doubt, we recommend obtaining the ad-
vice of your authorised dealer. Recommen-
dations made by representatives from the
mineral oil industry should also be agreed with
your authorised dealer. Manufacturer’s ap-
proval has been granted only for the oils listed
above. Mixing or using with other hydraulic
fluids may result in highly expensive damage.
Lubricating grease
Linde heavy-duty grease, lithium-saponified
with EP active ingredients and MOS
2
.Des-
ignation as per DIN 51825-KPF 2N-20 (order
no. see spare parts catalogue).
Mixing lubricating grease typ
eswithasoap
basis other than lithium-sa
ponified is not
permitted.
Coolant
CAUTION
Refer to the coolant specifications!
In trucks with pump injection engines, coolant ad-
ditive according to VW standard TL 774-F (factory
filling) must be used.
This additive must be mixed with water (total
hardness of water must not be more than 20°
according to German hardness standards).
A maximum of 60% coolant additive can be
used.
Temperature
Coolant
additive
Drinking
water
-25°C 40% 60%
-30°C 45% 55%
-35°C 50% 50%
-40°C 60% 40%
Refrigerant for air conditioning
R 134a
Battery grease
Acid-free lubricating grease (battery grease).
Chain spray
Linde chain spray (order no.: see spare parts
catalogue).
Engine oil
When the engine is running, not only is some
of the engine oil for piston lubrication burnt
106 Operating Instructions – 394 807 10 01 EN – 07/2011