HAKO Citymaster 2000, Operation And Maintenance Instructions, Page: 128 / 186

4-24
X56b520.fm
Maintenance
4.6.2 Checking the hydraulic oil level
Important!
If the hydraulic oil level is too low, this is also signalled by a warning
message in the multifunction display
Proceed as follows:
• Park vehicle on even ground and secure against rolling away
• Switch off the engine, pull the ignition key
• Retract all hydraulic cylinders
• Switch off the engine
When all the oil has returned to the hydraulic oil tank:
• Check the oil level at sight glass A
If the oil level is lower than in fig. 118/A:
• Top up the hydraulic oil
4.6.3 Topping up the hydraulic oil
Caution!
The lock of the filter housing for the hydraulic oil is made of
plastic material.
Be careful when opening or closing the filter housing – risk of
breakage!
Do not tilt the lock, as this could damage the thread!
Do not top up the hydraulic oil unless the engine is switched off. Other-
wise, hydraulic oil will run out of the filler opening on the hydraulic tank.
Top up as follows:
• Park vehicle on even ground and secure against rolling away
• Retract all hydraulic cylinders
• Switch off the engine
• Apply parking brake
When all the oil has returned to the hydraulic oil tank:
• Clean the area around the filler opening with a cloth
• Unscrew screw plug B (SW 32) of the return filter
• Slowly top up hydraulic oil
• Check the hydraulic oil level in sight glass A (see page 4-24)
• Top up if necessary and check again
• Screw in screw plug B
Fig. 117:
A
Fig. 118:
A
B