Service Bulletin No. 1066 covers D-ELSA disc brakes on Van Hool T2100 and C2000 Series coaches, with D3 comparison, maintenance intervals and service…
Service Bulletin No. 1066, dated January 31, 2001, applies to Van Hool T2100 Series and C2000 Series coaches and supplements or supersedes information in the Van Hool manuals. It introduces D-ELSA disc brakes, stating that the standard drive axle is also equipped with disc brakes and that the brakes are directly actuated rather than lever-operated D3 type.
The bulletin compares D3 and D-ELSA brake types and gives recommended maintenance intervals and service procedures for D-ELSA. It also lists related parts, including brake pad kits, wear sensors, calipers, brake chambers and a brake disc.
| Brake operation test pressure | 90 psi |
|---|---|
| Brake pad minimum permissible thickness | 0.08 inch (2 mm) |
| Brake disc wear limit | 1.38 inch (35 mm) |
| Maximum brake disc run-out | 0.06 inch (0.15 mm) |
| Lining-to-disc clearance for adjustment check | 0.08 to 0.12 inch (2 to 3 mm) |
| Running clearance between brake disc and pad | 15/64 to 23/64 inch (0,6 to 0,9 mm) |
It is 0.06 inch (0.15 mm). A brake disc with more run-out should be remachined or replaced.
At every 180,000 miles (G-interval).
At the latest when worn to the minimum permissible thickness of 0.08 inch (2 mm).
The brakes are applied to 90 psi and held.