Wacker Neuson 28Z3, Service Manual

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SHB 28Z3 EN – Edition 2.0 * 28z3s314.fm
Maintenance
Checking the hydraulic oil level
Caution!
Do not fill up oil if the oil level is above the FULL mark, otherwise the hydraulic
system can be damaged and escaping oil can cause serious injuries.
☞
Check the hydraulic oil level each time the machine is put into operation or
once a day
• Park the machine on level ground
• Position the boom straight ahead.
• Lower the boom and the attachment to the ground.
• Extend the stabiliser blade ram. Lower the stabiliser blade to the ground
• Stop the engine
• Fold the control lever base up
• Remove the key and carry it with you
• Let the engine cool down
• Unlock and fold up the engine cover
• Sight glass
B is located at the rear left of the machine under the engine cover.
• Check the oil level on sight glass B
• The oil level must be about 1 cm (0.39”) over the centre, between positions MIN and
MAX , as shown by the arrows in fig. 48.
➥
The MIN level is marked by the lower joint
➥
The MAX level is marked by the upper joint
If the oil level is lower
• Fill up hydraulic oil
• Close and lock the engine cover
The oil level varies according to the machine's operating temperature:
Notice!
Measure the oil level of the hydraulic system only after the machine reaches its
operating temperature.
Fig. 47: Parking the machine
Fig. 48: Oil level indicator on the hydraulic oil tank
B
MIN
MAX
Machine condition Temperature Oil level
Before putting into operation
Between 10 and 30 °C
(between 50 and 86 °F) MIN mark
Normal operation
Between 50 and 90 °C
(between 122 and 194 °F) MAX mark