Hitachi ZW 310-6 Operator's Manual page 259

2. Run the engine at slow idle speed for more than 5
minutes.
f
NOTE: At this time, do not operate the engine in slow or fast
speed.
3. Slowly extend the bucket cylinder to stroke end.
f
NOTE: Do not continuously operate the bucket control lever
for more than 10 seconds at this time.
4. Slowly retract the bucket cylinder to stroke end.
f
NOTE: Do not continuously operate the bucket control lever
for more than 10 seconds at this time.
5. Repeat steps 2 to 4 above until the loader front
operating speed becomes normal. When the
atmospheric temperature is lower than 0 °C, extend the
warming up operation time by running the engine at
middle speed.
6. Run the engine at low idle speed.
7. Slowly turn the steering wheel until the steering cylinder
is close to the end of stroke.
8. Slowly turn the steering wheel in the opposite direction,
until close to the end of stroke.
9. Repeat steps 7 and 8 five times.
OPERATING ENGINE
3-13