Reverse Delay Valve
- Connect external vacuum source to port on White side of delay valve. Connect 1 end of a section of rubber hose to vacuum gauge and other end to port on colored (non-White) side of valve.
- With elapsed time device in view and a constant 10 in. Hg vacuum applied, note time required for gauge pointer to move from 0-8 in. Hg.
- If valve fails to meet time limits, replace valve. If valve meets specifications, install with non-White side toward vacuum source.
REVERSE DELAY VALVE TIME LIMITS
| Valve Color |
Min. Time |
Max. Time |
| White/Purple |
3.2 |
4.8 |
| White/Gray |
8 |
12 |
| White/Gold |
12 |
18 |
| White/Brown |
16 |
24 |
| White/Yellow |
80 |
120 |
| White/Red |
300 |
450 |
| White/Orange |
1.5 |
2.5 |