6 - Maintenance
68
250 hours service - Hydraulic circuit
Check the hydraulic circuit for leaks and repair if any. Refill Nitrogen accumulators for:
• ParaLift
• Yaw system (if fitted)
• Suspension (if fitted)
±
WARNING! Hoses for boom lifting device must be changed after every 5 years of use.
±
WARNING! Nitrogen accumulators may contain oil under pressure.
250 hours service - Wheel bearings
Check for play in the wheel bearings:
1. Place stop wedges in front of and behind LH wheel and jack up RH
wheel.
2. Rock the RH wheel to discover possible play in the bearings.
3. If any play, support the wheel axle to prevent the trailer from falling
down from the jack.
4. Remove hub cap (A) and cotter pin (B). Turn the wheel and tighten
the castellated nut (C) until a slight resistance in the wheel rotation
is felt.
5. Loosen the castle nut until the first notch - horizontal or vertical - is
aligned with the cotter pin hole in the shaft.
6. Fit a new cotter pin and bend it.
7. Fill the hub cap with fresh grease and re-attach it onto the hub.
8. Repeat the procedure on LH wheel.
÷
NOTE! Some hub caps are attached with screws. Make sure the seal is intact or replace if worn!
1000 hours service - Transmission shaft
Change the protection tube nylon bearings as described under “Shield replacement on transmission shaft”.
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