MAINTENANCE70
BChecking Radiator and Oil Cooler
To avoid personal injury or death:
A Always stop the engine and remove the key
before checking the radiator.
A Wear eye protection when cleaning with
compressed air.
1. Check if the fins and ribs are clogged.
If so clean with compressed air or steam.
2. Check the rubber hoses for damage and replace if
cracked or old. Check if the hose clamps are tight
enough.
A Radiator and oil cooler fins and ribs must be clean in
order to avoid overheating the engine and to allow free
flow of air through the cooling elements.
A Pressure of compressed air must be under 205 kPa
(2.1 kgf.cm , 30 psi)
BChecking Washer Liquid
If the windows washer is switched on with the washer
liquid tank empty, the motor may be damaged. Always
keep the tank filled.
BChecking and Cleaning Engine and
Electrical Wiring
To avoid personal injury or death:
A Always stop the engine and remove the key
before cleaning the wiring, cables and engine.
Before starting, check whether flammable substances
have gathered on the battery, the cables and wiring, the
muffler or on the engine. Remove thoroughly.
Check the electrical circuitry for disconnections, shorts or
loose terminals.
BWashing Whole Machine
A Do not wash the excavator with the engine running.
Water could enter the air filter and damage the engine.
Make sure that the air filter is kept dry.
A Remove the mud before washing the machine.
(1) Radiator
(2) Oil cooler
(1) Rubber hoses and clamps
(1) Washer liquid tank
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