Cub-cadet Yanmar 3TNV72 User Manual download pdf (Page 83)

PERIODIC MAINTENANCE

5-22 TNV IDI Service Manual

Periodic Maintenance Procedures

Drain the fuel filter / water separator whenever

there are contaminants, such as water, collected in

the bottom of the cup. NEVER wait until the

scheduled periodic maintenance if contaminants

are discovered.

The cup of the separator is made from

semi-transparent material. In the cup is a

red-colored float ring. The float ring will rise to the

surface of the water to show how much needs to be

drained. Also, some optional fuel filter / water

separators are equipped with a sensor to detect the

amount of contaminants. This sensor sends a

signal to an indicator to alert the operator.

Drain the fuel filter / water separator as follows:

1. Position an approved container under the fuel

filter / water separator (Figure 5-7, (1)) to

collect the contaminants.

Figure 5-7

2. Close (Figure 5-7, (2)) the fuel cock

(Figure 5-7, (3)).

3. Turn the retaining ring (Figure 5-7, (4)) to the

left (Figure 5-7, (9)).

4. Carefully remove the cup (Figure 5-7, (1)).

Remove the retaining spring (Figure 5-7, (6))

and float (Figure 5-7, (7)) from the cup. Pour

the fuel into an approved container and dispose

properly. Hold the bottom of the cup with a shop

towel to prevent the fuel from dripping. Wipe up

any spills immediately.

5. Clean the inside of the cup.

6. Inspect the condition of the mesh filter

(Figure 5-7, (10)). Clean the mesh filter if

necessary.

7. Inspect the condition of the O-ring

(Figure 5-7, (11)). Replace the O-ring if

necessary.

CAUTION

If the fuel filter / water separator is

positioned higher than the fuel level in

the fuel tank, water may not drip out

when the fuel filter / water separator

drain cock is opened. If this happens,

turn the air vent screw on the top of the

fuel filter / water separator 2-3 turns

counterclockwise.

Be sure to tighten the air vent screw

after the water has drained out.

0000025en

CAUTION

• ALWAYS be environmentally

responsible.

• Follow the guidelines of the EPA or

other governmental agencies for the

proper disposal of hazardous

materials such as engine oil, diesel

fuel and engine coolant. Consult the

local authorities or reclamation facility.

• NEVER dispose of hazardous

materials irresponsibly by dumping

them into a sewer, on the ground, or

into ground water or waterways.

• Failure to follow these procedures may

seriously harm the environment.

0000013en

(8)

(6)

(7)

0000590A

(5)

(1)

(3)

(9)

(2)

(4)

(10)

(11)

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