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CAUTION: Wheel bearing oil fill cap is supplied
with a very small vent hole in its center.
Occasionally insert a small tip (toothpick size) to
be sure that hole is not plugged; a plugged hole
may cause leakage when heat expands the oil
and air.
AIR TANKS
Your vehicle is equipped with four (4) air tanks;
the accessory tank and wet tank must be purged
before every trip or once a month, while the
primary and secondary air tanks must be purged
each time the oil and filters are changed
(maximum 10,000 miles (16 000 km)).
The accessory air tank is installed above front
axle and its remote drain valve is located in
Steering Compartment.
The wet air tank is installed above L.H. wheel of
drive axle and its remote drain valve is located in
engine compartment and is accessible through
engine R.H. side door. On XL-40 valve is located
below air filter and on XL-45 valve is located
below emergency fill valve.
13003
XL-40
XL-45
All four (4) tanks installed under the vehicle, are
supplied with a drain valve underneath the tank.
For locations, refer to figure in "Lubrication and
servicing schedule" later on in this section.
COOLANT LEVEL
VERIFICATION
The cooling system is completely filled when the
coolant (cold) is visible in the sight glass of the
surge tank (see page 2-34 for location).
12014
topping-up is necessary, fill the system with the
same mixture ratio already used in the system.
6 - 7
CARE & MAINTENANCE
12058
12016
If
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