Clean Water Separator Element; Drain Water And Sediment From Fuel Tank - Komatsu GALEO PC40MR-2 Operation & Maintenance Manual

MAINTENANCE PROCEDURE

CLEAN WATER SEPARATOR ELEMENT

Do not bring any fire or flame close.
Prepare a filter wrench
Prepare a container to catch the fuel that is drained.
1. Open the engine rear cover and cooling cover. For details, see
Section "COOLING COVER (PAGE 3-29)".
2. Set handle (1) of the water separator to CLOSED position (A).
3. Loosen drain plug (2) and drain the accumulated water into a
container until red ring (3) reaches the bottom. Then tighten
plug (2).
4. Use a filter wrench to loosen ring (4), take out element cup (5),
then remove element (6).
Be careful not to lose red ring (3) inside the cup.
5. Wash the inside of cup (5) and element (6) with diesel fuel or
flushing oil.
6. After washing, install element (6).
7. Insert red ring (3) in element cup (5), fill with fuel, then install to
the filter holder and tighten ring (4).
Tightening torque: 14.7 to 19.6 N·m (1.5 to 2.0 kgf·m, 10.8 to
14.5 lbft)
8. Set handle (1) of the water separator to OPEN position (B).
9. After washing the water separator, bleed the air.
For details of the procedure for bleeding the air, see Section Air Bleeding (PAGE 4-52).

DRAIN WATER AND SEDIMENT FROM FUEL TANK

NOTICE
Never use trichlene for washing the inside of the tank. Use diesel fuel only.
Carry out this procedure before operating the machine as a daily maintenance.
Carry out this procedure before operating the machine.
Prepare a container to catch the fuel that is drained.
1. Swing the upper structure so that drain valve (1) is between the
tracks.
2. Open the engine rear cover and cooling cover. For details, see
Section "COOLING COVER (PAGE 3-29)".
3. Open drain valve (1) and drain the sediment and water
collected at the bottom together with the fuel.
When doing this, be careful not to get fuel on yourself.
4. When only clean fuel comes out, tighten drain valve (3).
4 - 28
WARNING
MAINTENANCE