Hardi NAVIGATOR VPZ, Instruction Book

Page: 148 / 204

6 - Maintenance
148
250 Hours Service - Hydraulic Brakes
Apply brakes to full pressure and inspect brake lines for damages or leaks. Replace damaged parts.
If the hydraulic brake lines have been dismantled, the hydraulic circuit must be vented afterwards:
1.
Have a helper to apply the brake.
2.
Loosen the brake hose at the left brake cylinder.
3.
The helper may continue applying the brake, until brake fluid without air bubbles comes out.
4.
Tighten the brake hose, before relieving the brake again.
5.
Repeat step 1-4 to vent the right brake cylinder.
±
WARNING! Always vent the circuit, if the hydraulic brake lines have been dismantled.
250 Hours Service - Air Brake Filters
1.
Clean the area around air filter(s) and disconnect air hose from the
tractor.
2.
Hold one hand under the filter housing, and pull out the retainer
clip (A). The filter cartridge assembly will be pushed out by the
springs inside the filter housing.
3.
Clean the filter cartridge. Use water and an appropriate detergent
or compressed air.
4.
Dry the parts and reinstall in the order shown. The O-ring should
be lightly lubricated with silicone grease before installation.
±
WARNING! Never dismantle the filter without having the tractor
disconnected and pressure relieved.