PREVOST PNEUMATIC SYSTEM IMPROVEMENT, Сервисный бюллетень

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STEP 2 : HYDRAULIC TAG AXLE STABILIZER LOCKING SYSTEM
MODIFICATION (M5 ONLY) (Fig. 10)
Proceed to the following steps to increase the air springs filling delay to 15 seconds before the hydraulic tag
axle stabilizer locking system application. Previous delay was set to 5 seconds.
Note :
Perform the following procedure only on M5 vehicles.
MATERIAL
Prévost # Description Qty
562516 Resistor (240 k
Ω
) 1
Not e
: Material can be obtained through regular channels.
1. Open engine compartment doors, locate electric junction box, then open panel.
2. Replace resistor (Prévost # 562342) by (Prévost # 562216) on R66 relay (Fig. 10).
3. Close electric junction box, then engine compartment rear doors.