88
Maintenance
Work schedules
5
Checking adjustment
i
When the engine brake is applied,
throttle valve lever 1 must make con-
tact with retainer 2 when the throttle
valve lever is in its active position (cyl-
inder extended).
The throttle valve lever must also make
contact with the retainer when the en-
gine brake cylinder is in its inactive po-
sition (cylinder retracted); if this is the
case the return spring pretension of the
engine brake cylinder is adequate.
Check the position of the throttle valve
shaft: when the engine brake is inac-
tive, the slot ( page 87, illustration on
left) must be horizontal. When the en-
gine brake is in the active position, the
slot ( page 87, illustration on right)
must be vertical.
Engine cooling system: checking
and correcting the fluid level and the
antifreeze/corrosion inhibitor
Risk of injury G
The cooling system is pressurised. Hot cool-
ant can escape under pressure when the
cooling system is opened and scald your
skin and eyes.
Only open the cooling system at coolant
temperatures below 90 °C.
Unscrew the cap slowly and release any
excess pressure completely before
opening the cap fully.
Wear suitable protective gloves, protec-
tive clothing and safety goggles when
handling coolant.
Risk of poisoning G
There is a risk of poisoning if coolant is swal-
lowed.
Never swallow coolant.
Never store coolant in containers nor-
mally used for beverages.
Store coolant out of the reach of chil-
dren.
!
Only use service products approved by
DaimlerChrysler ( seepage64).
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