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Komatsu WA320-8 User Manual

Komatsu WA320-8
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1)
Fill up the fuel tank with fuel (to the level where the
float is at the highest position).
2)
Loosen the knob of feed pump (4), pull it out, then
pump it in and out
until the movement becomes
heavy.
REMARK
It is not necessary to remove the plugs at the fuel prefilter
head and at the fuel main filter head.
8.
Push in and tighten the knob of feed pump (4).
9.
After replacing the filter cartridge, start the engine and run
it at low idle for 10 minutes.
10.
Check the filter seal surface for fuel leakage.
If there is any leakage of fuel, check the tightening condition of the filter cartridge.
If there is still leakage
of fuel, follow steps 2 and 3 to remove the filter cartridge, then check the packing
surface for damage or foreign material. If any problem is found, replace the cartridge with a new one, then
repeat steps 4 to 10 to install the filter cartridge.
REMARK
When bleeding air, air may remain inside of the water separator. However, the engine can be started after
pumping feed pump (4) in and out until it becomes heavy. Leave it as it is for a while after stopping the engine,
and air is bled spontaneously.
METHOD FOR CLEANING TRANSFER CASE BREATHER
1.
Loosen the bolts (1) (4 pieces) and remove the cover (2).
2.
After removing dirt and dusts around the breather (3), re-
move the breather (3) and immerse it in detergent liquid to
clean.
While the breather is removed, use care to prevent entry of
dusts through the mounting location of the breather.
METHOD FOR CHANGING OIL IN TRANSFER CASE AND CLEANING TRANSFER
CASE STRAINER
kk
WARNING
• Immediately after the engine is
stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
• When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
MAINTENANCE MAINTENANCE PROCEDURE
4-59

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Komatsu WA320-8 Specifications

General IconGeneral
BrandKomatsu
ModelWA320-8
CategoryFront End Loaders
LanguageEnglish

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