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MAINTENANCE INTERVALS AFTER OH
INSPECTION AND MAINTENANCE WORK TASKS
10
50
250
500
- Leaks
- Hoses, aggregates
- Work devices
•
•
1
General inspection of the machine
10
- Firm attachment of parts
- Tracks
- Instruments
•
2
Hydraulics
Check the oil level – top up
•
3
Work devices
Lubricate pins
Check the electrolyte level – top up with
•
4
Battery
distilled water
5
Loader
Lubricate hinges, locks, etc. with an oiler
•
•
•
•
6
Tracks
Inspection and maintenance of tracks
50
7
Parking brake
Functionality check
•
•
8
Transmission gears
Oil change
50
•
9
Hydraulics
Oil change
1500
•
•
10
Electrical installations
Check
500
11
Loader
Remove leaks
•
•
12
Loader and motor
Check and tighten screw connections
500
•
•
13
Hydraulics
Replace the hydraulic oil filter
50
Check the condition of the boom and quick
•
•
14
Work devices
500
clamp (welds, deformations)
Caution
!
Explanation of the symbols used in the table:
•
- "SERVICE": inspection and maintenance work tasks that are to be performed by a professional
•
- Inspection and maintenance work tasks to be performed by the customer on their own
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17.2 CORRELATION TABLES FOR OILS AND LUBRICATING GREASES
17.2.1 HYDRAULIC TANK
SLOVNAFT
- HV 46, HV 32, HV 68
1000
1500
SHELL
- TELLUS 32
MOBIL
- DTE 25, DTE 15M, SHC 525
BP
- ENERGOL HLP 32
CASTROL
- Castrol TQ
ESSO
- Esso ATF 55 type A, Esso Nuto H 46, Esso Univis N 46
RUSSIA
- Hydraulic oil AMG-30 (-14 to +80 °C), AMG-10 (below -12 °C)
GERMANY
- Hydraulic oil WA 24 HLP 36
17.2.2 TRANSMISSION GEARS
•
ENI BLASIA 150
•
PARAMO CLP 150
•
17.2.3 ALL GREASE-LUBRICATED POINTS
SLOVNAFT
- Lubricating grease A 00
SHELL
- Mitilus Grease A, Retinax A
MOBIL
- Mobilgrease MP, Mobilgrease special
BP
- Energrease GP-36
CASTROL
- Imprevia GSL
RUSSIA
- Lubricating grease US-1
GERMANY
- Lubricating grease SWC 423
17.3 DESCRIPTION OF MAINTENANCE ACTIVITIES
17.3.1 OIL CHANGE IN THE HYDRAULIC SYSTEM
Drain the oil by unscrewing the plug at the bottom edge of the hydraulic tank.
When changing the oil, observe maximum cleanliness. Fill with new oil through a filter with an efficiency of 10 µm. The
correct oil level is indicated by the position of the oil mark on the tank. Move the work device a little so that the oil fills the
entire system. Refill the tank again with oil to half the height of the oil mark.
To extend the service life of the loader units, take a sample of the hydraulic oil in the amount of 0.5 litres every 1000 OH.
Take the sample into a clean glass container when the oil is heated to approx. 50 °C. If the oil that is removed is thickened
and dirty compared to new oil, it must be changed or the change intervals shortened. Use only oil specified in the machine's
operating and maintenance manual! When changing hydraulic oil, always replace the hydraulic oil filter as well.
17.3.2 MAINTENANCE OF HYDRAULIC CYLINDERS
Make sure that in operation, the bearings of the cylinder attachment lugs are sufficiently lubricated and the wiper ring on
the cylinder cap wipes dirt from the piston rod over the entire stroke range. In the event of a leak, it must be replaced to
prevent damage to the sleeve and subsequent oil leakage around the piston rod.
17.3.3 CHECKING AND TENSIONING TRACKS
In operation, regularly monitor the condition (wear, tensioning) of the tracks. Replace damaged tracks in good time.
Proceed carefully when tensioning, and observe the prescribed tension value.
17.3.4 CHECKING AND TIGHTENING TRAVEL WHEELS
Check the tightening of the wheel nuts according to the inspection and maintenance schedule of the machine. The
tightening torque is 100 Nm.
17.3.5 CHANGING OIL IN GEARBOXES
1.
Turn on the machine and make a trip to warm up the oil. After a short drive, the oil temperature will rise. Once the oil is
warmed up enough, it will be less viscous and much easier to drain.
2. Locate the drain plug, found on the side of the gearbox. Rotate the gearbox so that the drain plug points downwards.
3. Remove the drain plug and allow oil to drain into the prepared container. Four to five minutes should be sufficient to
completely drain the used oil. Repeat the procedure for the other gearboxes as well.
4. Check that the drain plug is not damaged and screw it back on securely. Be careful not to tighten it excessively.
5. Release the filler cap found on the side of the gearbox and fill with oil using a funnel. To reach the required level, 0.4
litres of oil are needed. Tighten the cap correctly and firmly. Repeat the procedure for the other gearboxes as well.
6. Finally, dispose of the used oil properly. Use any container that can be closed tight and take the used oil to a
designated place, collection point or landfill.
17.3.6 MAINTENANCE OF THE LOADER'S ELECTRICAL EQUIPMENT
!
Caution
For the proper functioning of the entire electrical equipment, properly charged and maintained
batteries are the most important factor.
Maintain the correct electrolyte level by topping up with distilled water each time you charge.
Caution
At the end of work or a drive, and always when the loader will not be used for a longer period of
time, disconnect the battery by disengaging the battery connector. The batteries must also be
!
disconnected during repairs or when replacing parts of the electrical equipment. This will prevent
a short circuit in the power line during the installation works. Battery maintenance includes
cleaning the terminals, topping up with distilled water and recharging. At lower air temperatures,
keep the batteries sufficiently charged, as otherwise they are not frost-resistant and may freeze.
If you do not use the battery for a longer period of time, you must recharge and carry out
maintenance on it after four to six weeks. Clean the battery terminals of deposits with hot water
and lubricate them lightly with grease. The service life of batteries lasts longer the more often
they operate, i.e. are alternately charged and discharged.
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