PREVOST PNEUMATIC SYSTEM IMPROVEMENT Скачать руководство пользователя страница 10 | Manualshive

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FIGURE 2: PNEUMATIC DIAGRAM (REFERENCE DIAGRAM: D140196)

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Содержание PNEUMATIC SYSTEM IMPROVEMENT

Страница 1: ...9M33494S1001524 up to 2PCM3349XT1025774 incl DESCRIPTION On the above mentioned vehicles it is possible to improve the airtightness of the vehicle s pneumatic system This service bulletin upgrades the pneumatic system in accordance with our current line specifications Note The existing pneumatic system is safe and this bulletin should be considered as product improvement instructions Modifications...

Страница 2: ...rness connectors from ABS Electronic Control Unit The ABS Electronic Control Unit is located in the front service compartment Do not connect welding cables to electronic control components 5 Thoroughly clean area where welding has to be made 6 Perform welding 7 Because of material thickness it is recommended to use a semi automatic electric arc welding GMAW Gaz Metal Arc Welding process welding wi...

Страница 3: ...ies air tank is located under the vehicle near the front axle For more information refer to maintenance manual Section 12 Brake Section 16 Suspension and to vehicle s pneumatic diagram STEP 1 TAG AXLE UNLOADING AND RETRACTING LOGIC INVERSION After this modification air spring valve pilots must be under pressure to unload the tag axle When the air spring valve pilots are under pressure the air exha...

Страница 4: ...5 8 O D Tube x NPT male 1 Fig 1 7 141861 Inversion valve assy 1 Fig 1 6 7 171993 Inversion valve bracket 1 Fig 1 391811 Bilingual sticker control valve lift tag 1 Fig 1 500613 Adel clip retaining screw 12 Fig 1 560503 Adel clip D 6 Fig 1 560479 Adel clip 3 8 D 6 Fig 1 500625 Valve retaining screw 1 4 20 X 2 Lg T C hex head 6 Fig 1 641034 Sleeve tube size 5 8 1 Fig 1 641061 Nut 5 8 1 Fig 1 641036 S...

Страница 5: ...1371 Elbow 90 1 4 O D Tube x NPT male 2 Fig 2 item 33 501473 Tee 1 2 NPT 1 Fig 2 item 33 641384 Straight fitting 5 8 O D Tube x NPT male 1 Fig 2 503402 Tube 1 4 O D black 6 feet 2 Fig 2 503463 Tube 3 8 O D green 4 feet 1 500613 Adel clip retaining screw 12 560503 Adel clip D 6 560479 Adel clip 3 8 D 6 500625 Valve retaining screw 1 4 20 X 2 Lg T C hex head 6 641034 Sleeve tube size 5 8 1 641061 Nu...

Страница 6: ...assy N C Elbow 90 O D Tube x 3 8 NPT male Elbow 90 O D Tube x 1 8 NPT male FP ST 4 x 3 8 PM 1 1 1 2 Fig 3 item 49 501473 Tee NPT 1 Fig 3 item 49 641384 Straight fitting 5 8 OD Tube x NPT male 1 Fig 3 item 49 501966 Plug socket Hex Head NPT 1 Fig 3 item 50 51 641371 Elbow 90 OD Tube x NPT male 2 Fig 3 item 71 641332 Fitting Straight O D Tube x NPT male 1 Fig 3 141861 Inversion valve assy 1 Fig 3 6 ...

Страница 7: ... 2P9M3340XL1001580 incl Part locations Part No Description Qty Fig 4 391811 Bilingual sticker control valve lift tag 1 500613 Adel clip retaining screw 10 560503 Adel clip D 6 560479 Adel clip 3 8 D 4 500625 Valve retaining screw 1 4 20 X 2 Lg T C hex head 8 641036 Sleeve tube size 3 8 6 641059 Nut 3 8 6 Fig 9 064385 Wiring harness 1 Fig 9 561626 Tab 1 Fig 9 561707 Relay 1 Fig 9 500557 Screw 1 Fig...

Страница 8: ... male 2 Bloc Manifold 641332 Fitting 1 Fig 5 141862 Inversion valve 1 Fig 6 7 171993 Inversion valve bracket 1 503402 Tube 1 4 O D black X 15 feet 2 391811 Bilingual sticker control valve lift tag 1 500613 Adel clip retaining screw 12 560503 Adel clip D 6 560479 Adel clip 3 8 D 6 500625 Valve retaining screw 1 4 20 X 2 Lg T C hex head 8 Fig 5 item 49 641034 Sleeve tube size 5 8 1 Fig 5 item 49 641...

Страница 9: ... 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 12094 ...

Страница 10: ...96 14B Page 10 18 FIGURE 2 PNEUMATIC DIAGRAM REFERENCE DIAGRAM D140196 12095 ...

Страница 11: ...96 14B Page 11 18 FIGURE 3 PNEUMATIC SYSTEM REFERENCE DIAGRAM D140204 12096 ...

Страница 12: ...96 14B Page 12 18 FIGURE 4 PNEUMATIC SYSTEM REFERENCE DIAGRAM D140131 12097 ...

Страница 13: ...on 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 vehicl...

Страница 14: ...96 14B Page 14 18 FIGURE 6 INVERSION VALVE BRACKET LOCATION 12099 FIGURE 7 INVERSION VALVE INSTALLATION USED ON FIG 1 3 5 12100 ...

Страница 15: ...r to working on the vehicle 1 Open front electrical compartment Fig 9 2 Disconnect wire 115 blue from post 35 Connect wire 115 to relay post 85 3 Add wire 115C connect one extremity to post 35 and the other extremity to relay post 87A 4 Add wire 85D connect one extremity to post 20 and the other extremity to relay post 86 5 Add wire 0 connect one extremity to post 90 and the other extremity to rel...

Страница 16: ...96 14B Page 16 18 FIGURE 9 FRONT ELECTRICAL COMPARTMENT 06187 ...

Страница 17: ...ystem application Previous delay was set to 5 seconds Note Perform the following procedure only on M5 vehicles MATERIAL Prévost Description Qty 562516 Resistor 240 kΩ 1 Note 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 b...

Страница 18: ...96 14B Page 18 18 FIGURE 10 REAR ELECTRICAL COMPARTMENT 06188 ...

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