Table of Contents
Advertisement
INSTALLATION
Piping should not be fitted above the radiator!
Figure 10: Air traps should be avoided
Figure 11: Ventilating an air trap
Special attention should be paid to the ventilation of the
system. Each installation system is standard supplied with an
expansion tank for the coolant, which is also used to release air
bubbles and makes it possible to add coolant into the system in
an easy way. This expansion tank should be at the highest point
of the system and mounted as high as possible.
Most cooling problems originate from air traps
blocking the circulation of the engine coolant.
For the engine we use a pressurized system. The 12 mm
connection on the top is closed. Wherever the radiator is
mounted it is necessary to ventilate the exhaust manifold of the
engine. The exhaust manifold has an 8 mm connection to
ventilate the manifold. There is an 8 mm high pressure and high
temperature resistant hose in the delivery to connect the hose
connection on the side of the manifold with the expansion tank.
8
Initially the engine cooling system can be filled via the cap on
the exhaust manifold of the engine. However when the radiator
is above the engine one can only fill the system to the level of
the manifold. Additional filling has to be done via the expansion
tank.
For large engine cooling systems with long pipes or for extra
reserve there is a larger expansion tank with a content of 7
liters and an alarm for low coolant level that can be supplied as
an option (Figure 12).
Figure 12: 7 l optional expansion tank with low level alarm
When mounting the radiator it is important to take care that
the outgoing connection, which is the connection to the engine
inlet, is on the top position (Figure 13 detail A) and is connected
to the expansion tank. Also when the radiator is mounted flat at
the bottom of the vehicle the outgoing connection is connected
to the expansion tank. This is the best way to have the system
release air and to add liquid when necessary.
The expansion tank must be fitted in the outlet of
the radiator = the inlet pipe of the engine.
W-SQ 27 kVA / 25 kW — October 2014 — EN
Advertisement
Table of Contents
