Every 2 years. Kubota U27-4

Maintenance

 Remove the filter cup (4) from the filter head (1).

 Remove the filter element (2) from the filter head.

 Replace the sealing ring (3) with a new one.

 Lubricate the new sealing ring with clean hydraulic oil and insert it carefully so as not to damage the sealing ring.

 Insert a new filter element.

 Screw in the filter cup and tighten it by hand.

 Start the engine. Let the engine run at idle speed to warm up, then stop it.

 Check the hydraulic oil level, add oil if necessary.

 Install the LH side cover.

 Close the engine compartment cover.

Dispose of cleaning cloths and the old filter element in accordance with applicable environmental protection regulations.

Every 2 years

Coolant - change

To perform the following tasks, the dozer and boom must be positioned in the forward direction of travel.

STOP

Drain only when engine is cold, otherwise there is a risk of scalding!

Filling capacity

Radiator

Expansion reservoir

Canopy

2.4 litres

0.6 litres

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

Open the engine compartment and side cover (page 120).

Place a container with a minimum capacity of 5 litres under the coolant drain plug.

Cab

2.6 litres

0.6 litres

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 Remove the radiator cap (1) by turning it anticlockwise.

1

Maintenance

 Open the central coolant drain plug (1) and drain the coolant completely.

Purge the cooling system if the coolant is very dirty. To do this, spray water without additives into the cooling system with a hose through the filler opening until clear water emerges at the outlet.

 Close the central drain.

 Remove the coolant expansion reservoir (1) and drain it, cleaning it if necessary. Refit the reservoir.

Dispose of old coolant according to the applicable environmental protection regulations.

 Fill the premixed coolant into the radiator and expansion reservoir. The antifreeze content should be -25 °C.

The antifreeze portion of the coolant should not exceed 50 %.

Do not operate the cooling system with pure water

(even in summer). The antifreeze also contains a corrosion inhibitor.









Start the engine (page 70) and let it run at idle speed to warm up.

Stop the engine (page 72).

Check the coolant level (page 61), adding coolant if necessary.

Close the engine compartment and side cover.

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1

1

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