Replace Transmission Filter Element - Komatsu ecot3 GALEO HM300-2 Operation And Maintenance Manual

SERVICE PROCEDURE

REPLACE TRANSMISSION FILTER ELEMENT

The parts and oil are at high temperature immediately after the engine is stopped, and may cause burns. Wait for the
temperature to go down before starting the work.
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
VALVE SIDE
Prepare a filter wrench
1. Set the container to catch the oil under the filter case.
2. Remove drain plug (1) at the filter head, drain the oil, then
tighten the plug again.
3. Using a filter wrench, turn filter cartridge (2) to the left to remove
it.
4. Clean the filter head, coat the seal surface of the new filter
cartridge thinly with clean oil, then install it.
Tightening torque: 49 to 59 Nm (5 to 6 kgm, 36.2 to 43.4 lbft)
5. Add oil. For details, see "CHECK OIL LEVEL IN TRANSMISSION CASE, ADD OIL (PAGE 3-75)".
BRAKE COOLING SIDE
1. Remove bolt (1), then remove cover (2).
2. Set the container to catch the oil directly under the drain plug
(P).
Remove drain plug (P), drain the oil, then tighten the plug
again.
3. Take out the element, then clean the inside of the case, the
strainer at the bottom of the case, and the removed parts.
4. Install the new element, then install cover (2) with bolt (1).
5. Add oil. For details, see "CHECK OIL LEVEL IN
TRANSMISSION CASE, ADD OIL (PAGE 3-75)".
6. Remove the cap installed to bleeder screw (3), then insert a
vinyl hose. Prepare a container with oil in it and insert the other
end of the hose approx. 50 mm (2.0 in) below the surface of the
oil. (Use any commercially available vinyl hose.)
7. Start the engine, loosen bleeder screw (3) approx. 3/4 turns,
and keep the engine running at idling until fewer bubbles come
out from the vinyl hose.
8. Tighten bleeder screw (3) properly, then install the cap.
9. Check that the oil level in the transmission case is up to the
specified level.
10. Add oil if the level is low.
REMARK
When the air is bled from inside the case, the transmission oil level becomes stable.
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WARNING
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