Haldex

Installation

  • The TrCM+ is fixed to the vehicle chassis with two/three M 8 bolts.
  • The control knobs must be easily accessible.
  • Not used ports must be plugged.
  • For painting/coating all open ports must be protected to avoid penetration of the paint/coat.
  • For fittings / push-in fittings refer to the instructions of the respective manufacturer.

Function

 

Valve
Black knob (shunt  valve)
Red knob (park valve)
Trailer coupled
Operation Conditions
Service brake system
Park brake
system
image304.png pulled pushed (must be manually pushed) yes Drive released released
image307.png pulled automatic pulled out no Trailer uncoupled/braked Emergency function engaged Safety function:
Released via overload protection valve
image305.png pushed pushed no Shunting released released
image306.png pushed pulled no Parking (uncoupled) released engaged
image307.png pulled pulled yes Parking (coupled) released engaged

 


Warning - Danger!
Before starting the journey, the spring brake cylinder must be released manually by pushing the park valve.

 

TRCMplus_Label_028047719 (2).png

Inspection

  • System without pressure
    Shunt valve (black button) must be pushed in (securing the trailer vehicle previous to this test), park valve (red button) automatically pushed out.

  • Initial charging
    Apply pressure to port 1; the shunt valve (black button) must go into the operating position (jump out). The park valve (red button) remains pushed out.

  • Automatic emergency braking
    Lower the pressure at Port 1 to 0 bar; the port 21 emergency braking must activate automatically.

  • Pressure protection valve
    Instructions for adjustment may be found in the fitting instructions, order no.: 000 314 012.

  • Park brake valve (red button)
    Apply pressure to port 1. park valve (red button) automatically pushed out, push the park valve (red button) in, at least 5.0 bar in the supply reservoir, pull the park valve (red button), port 2 (spring brake system) must vent down to 0 bar, vehicle braked.