PRONAR ZEFIR 85, Servicing Instruction

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PRONAR
F. TECHNICAL MAINTENANCE OF THE
TRACTOR
PRONAR
63
1
2
3
4
6
5
In order to replace filtering element of the preliminary fuel
filter, one must:
- drain the fuel from the filter by screwing drain plug
1 out the
sedimentation tank
- unscrew screw
2 fixing filter element 4 and sedimentation
tank 6 to the body 3
- take the filter element 4 out
- put new filter element in and after having new sealing ring
installed
5 mount the sedimentation tank 6
- screw the bolt 2 tight
- deaerate the fule system.
2
1
3
When replacing filters of fine purifying, you must take following
steps:
-
unscrew two contaminated filters 1 of fine purifying;
- screw new filter in until the sealing ring 2 of the filter touches the
filter body 3 , and then make a half turn with hand (you must not
tight too strong).
-
deaerate the fuel system;
Attention! When uncrewing worn filter you must not use a hammer, engineer’s chisel, etc., because
such act may damage the filter body or engine block. You may use filters recommended by the
engine manufacturers only (original).
Attention! Screw tight the filter by hand and do not use any tools.
If need be, deaerate the fuel system.
Procedure od deaeration of the fuel system consists in:
1
2
For deaerating fuel system you must use hand fuel
pump.
For this purpose you must loosen screw
1 located next
to filters of fine purifying, and then with use of hand fuel
pump
2 , pump the fuel until the fuel starts to flow out
from below the loosened screw with stream without air
bubbles. Then you must screw the bolt
1
tight.