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9. to remove air inside the system start the engine and let him run for 10
minutes with the radiator cap open (1).
10. Stop the engine, wait for 3 minutes, check the coolant level and if it is
necessary fill up to 20 mm under the cap line, then fasten the cap tightly.
11. Refill also the reserve tank of the coolant.
19.6.2. Replacing the hydraulic oil and cleaning the suction strainer
P
RECAUTION WITH OIL AT HIGH TEMPERATURE
•
After the machine operated, hydraulic oil is at high
temperature, so wait for temperature cool down.
•
When drain the hydraulic oil be careful to prevent drop
on yourself.
What prepare:
•
a pan to collect the drained oil.
1. Park the machine on a level and solid ground.
2. Start the engine and keep it at he low idling,
lower down the dozer blade, then raise the
boom and extend the arm and bucket
cylinders, until the machine will be as showed
beside.
3. Let the engine run for 5 minutes, then stop it.
4. unscrew the drain plug slowly to breathe out the air, to reduce the pressure.
5. Dismantle the hydraulic oil cover like is written before.
6. Put a pan big enough to collect all the oil and drain it with a pump.
7. Unscrew the drain plug (2) to drain the tank
completely.
8. Clean the tank from the dust on the bottom.
Summary of Contents for YC135
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Page 51: ...51 5 2 1 Transport blocked All dimensions are in mm they may change without notice...
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Page 169: ...169 20 HYDRAULIC SCHEME...
Page 171: ...171 21 ELECTRICAL SCHEME...
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