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Operation
3.5.4
Warming-up operation for steering hydraulic circuit in cold
weather
WARNING
If the steering wheel is operated and stopped while the oil tem-
perature is low, there may be a time lag before the machine
stops turning.
In this case, use the safety bar to ensure safety, and perform the
warm-up operation in a wide place.
Do not load up the hydraulic oil in the circuit continuously for
more than 5 seconds.
When the temperature is low, do not start the operation of the
machine immediately after starting the engine.
Warming up steering hydraulic circuit
Slowly operate the steering wheel to the left and right to warm
up the oil in the steering valve. (Repeat this operation for about
10 minutes to warm up the oil.)
NOTE
Turn the steering wheel a little and stop in that position. Confirm
that machine turns by an angle equivalent to the amount that the
steering wheel is turned.
Recommended oil
Select the oil from the table below according to the ambient tem-
perature.
Reservoir
Hydraulic system
Engine oil
If SAE5W-20CD is used in the cold season, replace it with TO10
oil when the cold season finishes.
WA500-6H – VEAM430100
Fluid Type
-22
-30
Ambient Temperature
-4
14
32
50
-20
-10
0
10
TO10
SAE 5W-20CD
3.5 Cold weather operation
Free
Lock
GK050019
68
86
104
122
20
30
40
50
°F
°C
3-169
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