Cleaning, maintenance and repairs
92
Centaur BAG 0070.1 12.08
11.9.3
Checking instructions for dual circuit service brake system (workshop work)
1.
Leak tightness check
1. Check all connections, pipe lines, hose lines and screw
connections for leak tightness.
2. Remedy leaks.
3. Repair any areas of chafing on pipes and hoses.
4. Replace porous and defective hoses.
5. The dual-circuit service brake system may be considered
leakproof if the drop in pressure is no more than
0.15
bar after
10
minutes.
6. Seal any leaking areas or replace leaking valves.
2.
Check pressure in the air reservoir
1. Connect a pressure gauge to the test connection on the air
reservoir.
Set value 6.0 to 8.1
+ 0.2
bar
3.
Check brake cylinder pressure
1. Connect a pressure gauge to the test connection on the brake
cylinder.
Set value: with brake not applied
0.0 bar
4.
Visual inspection of brake cylinder
1. Check the dust sleeves or gaiters for damage.
2. Replace damaged parts.
5.
Joints on brake valves, brake cylinders and brake linkages
Joints on brake valves, brake cylinders and brake linkages must move
freely. Grease or lightly oil, if necessary.