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Operating Manual Crawler Excavator TC37
Care and Maintenance7
Changing coolant
• Park the machine on a level surface.
• Place a drip pan under the engine and cooler.
• Before removing the cooler cap (43/1), release
pressure from the cap.
• Open the drain valve (44/1) on the cooler and
drain coolant.
• Unscrew the water-drain plug (44/2) on the
cylinder block and drain coolant.
• If necessary, flush the cooling system with clean
water.
• Refit the drain plug to the engine and close again
the drain valve on the cooler.
• Fill the cooling system with coolant and close the
cooler with the cap (43/1).
• Start the engine and bring to operating
temperature; turn off the engine and allow to cool.
• Check the coolant level and top up coolant
(several times, if necessary).
Fig. 43 Water cooler
Fig. 44 Changing coolant
Danger of scalding
due to hot oil getting into contact with skin or
eyes.
• Only change coolant after the engine has
cooled down.
• Wear appropriate protective clothing and
safety goggles.
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