8. PRECAUTIONS FOR MAINTENANCE
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PRECAUTIONS WHEN CARRYING OUT MAINTENANCE AT
HIGH TEMPERATURE OR HIGH PRESSURE
l Immediately after stopping operations, the engine cooling water and oil at all parts is at high
temperature and under high pressure.
In this condition, if the cap is removed, or the oil or water are drained, or the filters are replaced,
this may result in burns or other injury. Wait for the temperature to go down, then carry out the
inspection and maintenance in accordance with the procedures given in this manual.
Cleaning inside or cooling system + see “24.2 WHEN REQUIRED”.
Checking cooling water level, hydraulic oil level + see “24.3 CHECK BEFORE STARTING”.
Checking lubricating oil level, adding oil + see “24.3 - 7 PERIODIC MAINTENANCE”.
Changing oil, replacing filters + see “24.5 - 8 PERIODIC MAINTENANCE”.
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PRECAUTIONS WHEN USING HIGH PRESSURE
GREASE TO ADJUST TRACK TENSION
I
1
Grease is pumped into the track tension adjustment system under high pressure.
If the specified procedure for maintenance is not followed when making adjustments, the plug or
grease fitting may fly out and cause damage or personal injury.
l When loosening the grease drain plug, never loosen it more than one turn.
l Never put your face, hands, feet, or any other part of your body directly in front of any grease
drain plug or valve.
Adjusting track tension + see “24.2 WHEN REQUIRED”.
4 ROTATING FAN AND BELT 1
l Keep away from rotating parts and be careful not to let anything get caught in them.
l If your body or tools touch the fan blades or fan belt, they may
be cut off or sent flying, so never touch any rotating parts.
A0055210
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