KCP Heavy Industries Co., Ltd. General technical description
3-11
3.5.3 Hydraulic Cooler
Some of the hydraulic fluid in the machine flows through a radiator before it returns to the reservoir.
The fan on the radiator switches on once the hydraulic fluid reaches a temperature of 45C.
Note _________________________________________________________________
You may also switch on the fan at the toggle switch on the control cabinet, whatever
the fluid temperature, should you wish to cool the hydraulic fluid as pre-cautionary
measure before it has reached 45C. The green indicator lamp on the control cabinet
will light up as soon as temperature of 55C is reached, or if you have switched on the
fan. Leave the truck engine running during breaks in pumping or when pumping is
completed until the fan motor switches itself off. The water in the water box also cools
the hydraulic fluid. The hydraulic fluid warms up the piston rods for the drive cylinders.
These are flushed, and thus cooled, by the water in the water box on each stroke
movement. This also cools the hydraulic fluid. You should therefore change the water
in the water box at frequent intervals.
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