3-8
If the machine is excessively operated with the hydraulic oil
temperature below 20 °C, damage to the hydraulic compo-
nents may result. After starting the engine, sufficiently perform
warm up operation as described below before operating the
machine until the hydraulic temperature increases to higher
than 20 °C.
1. While slightly depressing accelerator pedal, run the en
-
gine at medium speed for about 5 minutes with no load.
2. Increase the engine speed to the maximum. Raise the
bucket above the ground and hold bucket control lever
(1) in the tilt position for 10 seconds. (Do not operate
controllers other than the bucket control lever at this
time.)
1. Run the engine at slow idle speed fore more than 5 min
-
utes.
2. Run the engine at medium speed for 5 minutes.
NOTE: Do not run the engine at slow or fast speed at this time.
3. Fully extend the bucket cylinder.
NOTE: Do not continuously operate the bucket control lever
for more than 30 seconds at this time.
4. Fully retract extend the bucket cylinder.
NOTE: Do not continuously operate the bucket control lever
for more than 30 seconds at this time.
5. Repeat steps 2 to 4 above until the bucket operating
cycle time becomes normal. When the atmospheric tem
-
perature is extremely low, extend the engine running
time at medium speed.
M4GB-01-043
M4GB-01-008
Finger Type
Multi-Function Type
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