PREVOST PNEUMATIC SYSTEM IMPROVEMENT, Сервисный бюллетень

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Fig. 9 561707 Relay 1
Fig. 9 500557 Screw 1
Fig. 9 504637 Cable Tie 6
Note
: Material can be obtained through regular channels .
PROCEDURE
Follow instructions on the vehicle's pneumatic diagram (Figure 1 to 5). Then, perform the following lift tag
axle indicator lights modification. Where applicable, perform the following inversion valve installation.
Note :
Where ports have to be inverted, replace the sleeves.
Note :
Where fittings have to be replaced, use pipe sealant on threads.
FIGURE 1: PNEUMATIC DIAGRAM (REFERENCE DIAGRAM: D140162 OR D140179)
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