Hyundai HX130LCR Manual page 398

3) TRAVEL SPEED
(1) Measure the time required for the
excavator to travel a 20 m test track.
(2)
Preparation
① Adjust the tension of both tracks to be
equal.
② Prepare a flat and solid test track 20m in
length, with extra length of 3 to 5 m on
both ends for machine acceleration and
deceleration.
③ Hold the bucket 0.3 to 0.5 m above the
ground with the arm and bucket rolled in.
④ Keep the hydraulic oil temperature at
50±5˚C.
(3) Measurement
Measure both the low and high speeds
①
of the machine.
Before starting either the low or high
②
speed tests, adjust the travel mode
switch to the speed to be tested, then
select the following switch positions.
Power mode switch : P mode
·
Star t traveling the machine in the
③
acceleration zone with the travel levers at
full stroke.
Measure the time required to travel 20 m.
④
After measuring the forward travel
⑤
speed, turn the upperstructure 180。
and measure the reverse travel speed.
Repeat steps ④ and ⑤ three times in
⑥
each direction and calculate the average
values.
(4) Evaluation
The average measured time should meet the following specifications.
Model
HX130CR
HX130LCR
Travel speed Standard
1 Speed 22.0±2.0
2 Speed 13.2±1.0
7-5
3~5m 20m 3~5m
Unit : Seconds / 20 m
Maximum allowable
27.9
17.0
0.3~0.5m
145ZF7MS04
145ZF7MS05
Remarks