ENG
PLANAR-8DM
15
8.4.3 Fuel supply to the heater through the T-piece
The T-piece to draw fuel to supply to the heater may be installed in the fuel return pipe
leading from the engine to the fuel tank. The return pipe must not be pressurized and must
lead to the fuel tank bottom. Install the T-piece as shown on Fig. 8.7.
1. Vehicle fuel tank
2. Fuel return line to the tank from the vehicle engine
3. Coupling
4. Fuel line, Dn = 2 mm
5. T-piece
6. Fuel pump
Fig. 8.7 Installation of heater fuel system using the T-piece
Do not bend the couplings used for connection of fuel pipes.
Cut sections of the fuel pipe
with a sharp knife as shown on Fig. 8.8. The cutting sections must have no reduction of the
flow passage, no bents or dents.
Fig. 8.8 Cutting the fuel line before installation
to the engine
fuel return line
Heating element
2,000 mm max.
4,000 mm max.
Right
Wrong
