unicraft HT 300 S Operating Instructions Manual page 17

Daily maintenance:
- Check all components for damage and have them
replaced by qualified personnel if necessary..
Monthly maintenance::
- Slightly lubricate the rollers and bearings.
Yearly maintenance:
- Carry out and document lift table inspection in ac-
cordance with regulations.
- Models HT 600 and HT 600 LAP:
Change hydraulic oil
Move the platform slightly upwards to fold in the main-
tenance supports.
If maintenance or repair work has been carried out on
the lift table, a function check must then be carried out.
- It is forbidden to access the lift table if it is not se-
cured by the safety support.
- Wear suitable protective clothing.
- Wear safety shoes
- Before working on the hydraulic system, depres-
surise it by lowering the lifting table onto the safety
supports.
If the lift table is used very frequently or regularly under
"difficult operating conditions" (e.g. in particularly dusty
environments, under the influence of chemicals or
vapours, etc.), the inspection should be carried out at
shorter intervals.
If you have any questions about the condition of the lift
table, please contact a specialist workshop.
If the lift table does not function properly, contact a spe-
cialist dealer or our customer service. Contact details
can be found in chapter 1.2 Customer service.
All protective and safety devices must be reinstalled im-
mediately after completion of repair and maintenance
work.
Step 1: Lubricate all moving parts of the lift table with
high quality grease.
Step 2: Check the lift table for external damage before
each use.
Step 3: Models HT 600 and HT 600 LAP: Check the hy-
draulic oil level at regular intervals.
Step 4: Make sure that all safety notices on the lift table
are clearly legible.
HT-Series | Version 1.01
Check oil level (only models HT 600 and HT 600 LAP ) /
Oil changes
NOTE!
The hydraulic cylinders (with integrated pump) of the
HT 300 series (HT 300 S, HT 300 M and HT 300 L) are
maintenance-free. If an oil leak occurs, the cylinder
must be replaced.
NOTE!
HT 600 and HT 600 LAP: The oil level must be chec-
ked by a specialist workshop or specialist at least
once a year.
Step 1: Lower the lift table and open the cap on the
pump tank filler neck.
For oil change: Drain used oil.
Step 2: Top up oil (HLP 32) if necessary or when
changing oil. Oil tank volume: 1 litre.
Oil quantity in the hydraulic cylinder:
max. 0.66 litres.
Step 3: Close the filler neck and lift and lower the lift
table several times. Check the oil level again
and screw in the screw plug again.
Step 4: Bleed the hydraulic system (see "Venting").
Venting (only Models HT 600 and HT 600 LAP)
After some time, or after filling with oil, air bubbles may
form in the hydraulic system of the lift table and affect its
function.
Step 1: Lower the lift table to min. height
Step 2: Slowly and carefully open the oil filler plug to
allow the trapped air to escape.
Step 3: Check the lift table for proper function, repeat if
necessary.
Oil, grease and cleaning agents are ha-
zardous to the environment and must not
be added to waste water or normal
household waste. Dispose of these
agents in an environmentally friendly
manner.
WARNUNG!
The cleaning cloths soaked in oil, grease or cleaning
agents are easily combustible. Collect the rags or
the cleaning wool in a suitable, closed container and
dispose of them in an environmentally friendly man-
ner - do not dispose of them with your household
waste!
Care, maintenance and repair
17