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Komatsu WA380-5 Service Manual

Komatsu WA380-5
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MAINTENANCE
SERVICE PROCEDURE
EVERY 1000 HOURS SERVICE
Maintenance for every 50, 100, 250 and 500 hours service should be carried out at the same time.
CHANGE OIL IN TRANSMISSION CASE AND TRANSMISSION OIL FILTER CARTRIDGE, CLEAN
STRAINER
WARNING
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.
Refill capacity: 54 liters (14.27 US gal)
Prepare a filter wrench
1. Set a container to catch the oil under drain plug (P), then
remove drain plug (P) and drain the oil.
To prevent the oil from pouring out suddenly, loosen drain plug
(P) and remove it gradually.
2.
After draining the oil, install drain plug (P).
Tightening torque: 68.6 ± 9.8 Nm (7.0 ± 1.0 kgm, 50.6 ± 7.2
lbft)
3.
Set a container to catch the oil under the transmission filter.
4.
Remove drain plug (1) of the transmission filter, drain the oil,
then tighten the plug again.
5. Using a filter wrench, turn filter cartridge (2) to the left to remove
it.
6.
Clean the filter holder, coat the seal surface and thread of the
new filter cartridge with clean oil, then install it.
7.
When the seal surface comes into contact with the filter holder,
tighten a further 2/5 turns with the filter wrench.
8.
Remove 4 bolts (3), move tube (4), then remove strainer (5).
9. Remove any dirt stuck to strainer (5), then wash it in clean
diesel fuel or flushing oil. If strainer (5) is damaged, replace it
with a new part.
10. Install strainer (5) in the case.
Replace the O-ring of tube (4) with a new part, then install tube
(4).
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Komatsu WA380-5 Specifications

General IconGeneral
BrandKomatsu
ModelWA380-5
CategoryFront End Loaders
LanguageEnglish

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