5-16 BA 35101/02/03 EN – Edition 1.0 * 35101_02_03b510.fm
Maintenance
Checking the hydraulic oil level
Danger of burns! Do not carry out maintenance work on a hot engine and
hydraulic system!
☞ Wait at least 10 minutes after stopping the engine
☞ Wear protective gloves and clothing during maintenance work
☞ Proceed as follows:
• Park the machine on level ground
• Retract all hydraulic rams
• Stop the engine
• Apply the parking brake
• Open the engine cover
• Check the hydraulic oil level in sight glass A
☞ If the oil level is visible in the lower half of the oil level sight glass
➥OK
☞ If the oil level is not visible in the oil level sight glass (not enough oil)
➥Fill up the hydraulic oil
Any excess quantity of hydraulic oil in the tank escapes via the breather as
soon as the temperature rises!
If the oil level is no longer visible in the upper half of the oil level sight glass
☞ Drain the hydraulic oil
Filling up hydraulic oil
Do not fill up the hydraulic oil unless the engine is stopped. Otherwise, hydraulic oil will run
out of the filler opening on the hydraulic tank.
☞ Fill up as follows:
• Park the machine on level ground
• Retract all hydraulic rams
• Stop the engine
• Apply the parking brake
• Open the engine cover
• Clean the area around the filler and breather filter B with a cloth
• Place a container to collect the oil as it drains
• Open breather filter B by hand
☞ With the filter insert in place
• Fill up the hydraulic oil
• Check the hydraulic oil level in the oil level sight glass (fig. 171/A)
• Fill up if necessary and check again
• Firmly close breather filter B by hand
Fig. 171: Oil level sight glass on the hydraulic oil tank
✓ A
Fig. 172: Filler cap for hydraulic oil tank
B
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