KAMAZ 5490 Operation Manual page 228

While assembling is carried out the hose pipes
must be cut off only with a sharp knife as in figure 8.
The restriction of the flow passage of the heater, as well
as hollows and barbs are not allowed.
Fig. 8
Attention : The hose pipe and the fuel pump should
be protected from heating. They mustn't be installed
next to the exhaust pipe or on the engine
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