PREVOST PNEUMATIC SYSTEM IMPROVEMENT Service Bulletin page 13

FIGURE 5: PNEUMATIC SYSTEM (REFERENCE DIAGRAM: D140176)
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INVERSION VALVE INSTALLATION
1. Before welding, refer to the general welding procedure in this service bulletin.
2. Locate the inversion valve bracket in rear wheelhousings (Fig. 6). At this position, a tee may be installed
(on all vehicles except M5). Remove the tee.
3. Clean and grind post surface to reasonable flatness before bracket welding.
4. Protect all components (tubes, valves, etc.) from sparks with fireproof material.
5. Weld bracket as per figure 6.
6. Install the inversion valve on the bracket as per (M5 vehicles, fig. 7 or M and Me vehicles, Fig. 8).
96-14B / Page 13/18