Volvo VNL Service Manual page 69

Group 30 Electrical System—VNL, VNM
4
Disconnect the 2 terminal connectors
from the cigar lighter and the electrical
LED connections on the switch being
replaced.
5
Never disconnect an air system component unless all
system pressure has been depleted. Failure to de-
plete system pressure before disconnecting hoses or
components may result in them separating violently
and causing serious bodily injury.
Drain air pressure from vehicle sys-
tem. Mark each air line to keep correct
arrangement. Disconnect air lines at
switch being replaced by pushing in
on the ring and air line, then pulling
the air line out.
6
To remove switch, insert No. 1 flat tip
screwdriver into back of switch at top
and bottom to release locking tabs.
W3000656
Push switch out of the panel.
Installation
1
Install new air switch into the panel,
pushing the switch into the panel until
it locks. Push back on the switch to
make certain it is locked in the panel.
2
Connect air lines to the switch, making
sure they are installed in the correct
position. Be sure to insert airline to
line indicated.
3
Connect electrical LED connections on
switch, and both cigar lighter connec-
tors.
4
W3000657
Align and install switch panel in dash.
5
Install ashtray housing with the 2
mounting screws, and place ashtray in
housing. Torque screws to 0.4 ± 0.1
Nm (3.5 ± 1 in-lb).
Service Procedures
W3000658
0.4 ± 0.1 Nm
(3.5 ± 1 in-lb)
67