Grammer MSG95EAC - Page 53

Repair manual GRAMMER seat suspension MSG95EAC – November 2012
Material no. 1 277 338
3.13 Active module – removal and installation
Page 1 of 2
Removal and installation
Note:
For the removal and installation of the
active module at the vehicle, ask the
vehicle manufacturer for the necessary
assembly work to be carried out.
ATTENTION Leak test!
Perform a hydraulic test of the seat
suspension upon installation of the active
module (1). To do this, apply a 60 kg load
to the seat suspension for 24 hours. The
lowering within this time must not exceed
15 mm.
1 Remove the active module (1) in the
driving cab (see vehicle manufacturer’s
manual).
2 WARNING The pressure in the
pneumatic system may cause injury!
Vent the pneumatic system before
removing the active module (1).
3 Mark the screw positioning diagram at
the adapter plate (2) and unscrew
three countersunk screws (3) at the
active module (1).
Installation notes:
• Countersunk screw (3), 10 Nm.
• Screw the active module (1) tightly
onto the adapter plate (2) according to
the marking.
4 Unscrew two rounded head screws (9).
Installation note:
Rounded head screw (9), 0.4 Nm.
5 Disconnect the electrical connection
between the connector plug (8) and the
active module (1) and remove the seal
(5).
6 Disconnect the electrical connection
between the connector plug (7) and the
active module (1) and remove the seal
(6).
7 Press the circlip (12) back at the elbow
(4) and pull the air hose (10) out of the
elbow (4).
Installation note:
Insert the air hose (10) into the circlip
(12) of the elbow (4) as far as possible.
8 Unscrew the quick-release fastener
screw (13).
9 ATTENTION Damage!
Take care not to damage the air hose
(11).
Bend open the retaining ring (14) at the
opening (arrow) and pull it off at the air
hose (11).
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