7-40 BA EZ17 en* 1.1 * ez17w710.fm
7 Maintenance
Damage to hydraulic system due to dirty hydraulic oil.
► Always add hydraulic oil using the filling screen.
► If the hydraulic oil in the sight glass is cloudy, this indicates that water
or air has penetrated the hydraulic system. Contact a Wacker Neuson
service center.
► Contact a Wacker Neuson service center if the filter of the hydraulic
system is dirty.
Checking the hydraulic oil level
1. Park the vehicle on firm, level, and horizontal ground.
2. Position the boom straight ahead at the center of the machine (see
figure).
3. Lower the boom and the stabilizer blade to the ground.
4. Stop the engine.
5. Operate the control lever repeatedly to release the pressure in the
hydraulic system.
6. Remove the starting key and carry it with you.
7. The inspection glass A is located to the right in the vehicle.
8. Check the oil level on sight glass A.
➥ The oil level must be at the MAX mark after the machine reaches its
operating temperature.
➥ Add hydraulic oil if the oil level is below this mark.
Adding hydraulic oil
1. Press tank ventilation B to release the pressure.
Possible designs:
• Up to serial number WNCE1301PPAL00518: circuit breaker
• From serial number WNCE1301KPAL00519: circuit breaker with
cover F
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