CLAMP TYPE BRAKE CHAMBER DATA |
Type | Effective Area (Square Inches) | * Outside Diameter | Maximum Stroke With Brakes Adjusted | Maximum Stroke At Which Clamp Type Brakes Must Be Readjusted | Maximum Stroke At Which Long Stroke Clamp Type Brakes Must Be Readjusted |
6 | 6 | | 4 1/2 | | Should be | 1 1/4 | |
9 | 9 | | 5 1/4 | | as short as | 1 3/8 | |
12 | 12 | | 5 11/16 | | possible | 1 3/8 | 1 3/4 |
16 | 16 | | 6 3/8 | | without | 1 3/4 | 2 |
20 | 20 | | 6 25/32 | | brakes | 1 3/4 | 2 (2.5" rated stroke) OR 2 1/2 (3" rated stroke) |
24 | 24 | | 7 7/32 | | dragging | 1 3/4 | 2 (2.5" rated stroke) OR 2 1/2 (3" rated stroke) |
30 | 30 | | 8 3/32 | | | 2 | 2 1/2 |
36 | 36 | | 9 | | | 2 1/4 | |
* | Dimensions listed do not include capscrew head projections for bolt clamp projections for clamp type brake chambers. |
[Statutory Authority: RCW
46.37.005. WSR 14-03-018, § 204-76-99002, filed 1/7/14, effective 2/7/14; WSR 89-12-019 (Order 89-03-ESR), § 204-76-99002, filed 5/30/89; WSR 88-01-018 (Order 87-04-ESR), § 204-76-99002, filed 12/8/87; WSR 80-10-006 (Order 80-07-01), § 204-76-99002, filed 7/25/80.]