A-20
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08
General
BLEEDING FUEL SYSTEM
Air must be removed
1) When the fuel filter or lines are removed.
2) When water is drained from fuel filter.
3) When tank is completely empty.
4) When tractor is not used for a long period of
time.
Fuel filter provides clean, moisture free fuel for the
injection process. A hand primer is provided to
manually remove excess air from the fuel filter and fuel
lines.
Major Components:
• Hand Primer (F)
• Air Bleeding Screw (G)
• Fuel Filter (D)
Fuel enters the filter at inlet (A) and flows through the
filter element separating water if contents before
flowing through outlets (B) to the fuel injection pump.
Since water and contaminants settle at the
bottom of the sediment bowl, a drain plug is
provided at the bottom of the filter. Drain water
in fuel, by loosening drain plug once every
50 hrs. of operation.
To drain water in fuel, loosen the drain plug upto
1 or 2 turns. During loosening drain plug,
place a small tray to collect the water coming
from pipe (C). Retighten the drain plug by hand.
Servicing the fuel filter
1. It is recommended to replace the fuel filter every
500 hrs.
2. To remove Filter, unscrew the filter (D) from
adaptor (E).
3. Check O'rings of fuel filter for any crack / damage.
Smear oil on the new O'ring before installation.
4. Clean the adaptor with clean diesel from inlet and
outlet. Ensure no dirt, foreign particles entangled
in flap valves or filter head.
5. Assemble the new filter. Do not over tighten.
6. Prime the system and bleed the filter. Tighten the
bleeding screw.
Note : Drain water once in a week or earlier if
water contamination is excessive. Continued
driving with water accumulation in fuel filter
will cause damage to fuel pump / other fuel
system components.
Note : Replace fuel filter at the recommended
period or whenever it gets clogged. Discard
the old filter and do not repair or clean the
filter.
Always fit the spin-on filter dry.
Tractor Front
F
A
D
C
B
G
E
Do not hold key at engine start position for
more than 10 seconds continuously. If more
engine cranking is needed try again after
30 seconds.
Always close the air vent screw except for
bleeding fuel lines other wise, engine will run
irregularly or stall frequently.
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