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VOLVO 7900 LHD, RFS Door System,Transmission

Doors and Door System
ISAF double doors inward gliding on all positions pneumatically powered with single bronze tinted glazing. Door operation available in a range of combinations. Control via button/joystick or both with various safety function combinations for door operation available. Can be fi tted with 8 mm square male or key cylinder locks for door1 locked from inside or outside.
Door confi gurations ………………2+2+2+2; 2+2+2+0
Door buttons for driver right hand operated.
External emergency valves at all doors. Mechanical or electrical access ramp at second door.
Transmission
6AP1400B(D9B310)/6AP1700B(D9B360) AIS, Automatic Idle Shift, neutral when bus stops. 6-speed fully automatic gearbox with integrated retarder and electronic control system.
Voith D864.5
ANS – auto neutral at stop. 4-speed fully automatic gearbox with integral retarder and electronic control system. The torque converter also functions as a retarder.
ZF 6AP Voith
1X00B D864.5
Torque converter ……….. .2.16:1 …..5.05:1
1st gear ……………………….3.36:1 …..1.36:1
2nd gear ………………………1.91:1 …..1.00:1
3rd gear …………………………..1.42:1 ……0.73:1
4th gear ………………..1.00:1 ………….-
5th gear ………………..0.72:1 ………….-
6th gear ………………..0.62:1 ………….-
Reverse ………………………….4.24:1 ……4.30:1
Available 3 or 6-buttons gear selector and kick down function
Vehicle Structure
The body is based on the patented Volvo Bus concept, where an aluminium alloy providing superior corrosion resistance is used. The structure is made of extruded aluminium profifi le. Chassis flfl oor structure built-up by steel RHS-profiles, welded together with open c-profile crossmembers. The combined aluminium and steel frame combines good stability with low weight and gives long service life and increased loading capabilities. Rigidity provides good stability and driving.
Exterior
Front and rear walls made from fi bre glass and ABS elements. External side panelling are made of a single sheet of aluminium under the window line combined with glass fi bre plates and is fi nished of with an aluminum lower skirt for the sides. Hatches are made of the same glass fi bre panelling. Wheel arches of DCPD. Roof made of 1 mm thick single-piece aluminium sheet, glued to the roof frame. Mekra or Wilke external mirrors. Electrically or manually adjusted, heated or not. 3-piece bumpers. Top hinged service compartment hatches with snap or cylinder locks. Mounted outside wide angle mirror on the RHS, fl ag holder Available: school bus equipment, warning signalization when front hatch open, headlamp cleaner, exit light above door2, high rear direction indicator. 1 or 4 roof hatches, electrically or manually operated; with emergency exit mechanisms.


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