Hyundai HX130LCR Manual page 399

4) TRACK REVOLUTION SPEED
(1) Measure the track revolution cycle time
with the track raised off ground.
(2)
Preparation
Adjust the tension of both side tracks to
①
be equal.
On the track to be measured, mark one
②
shoe with chalk.
Swing the upperstructure 90。and lower
③
the bucket to raise the track off ground.
Keep the boom-arm angle between 90 to
110。as shown. Place blocks under
machine frame.
Keep the hydraulic oil temperature at
④
50±5˚C.
(3) Measurement
Select the following switch positions.
①
Travel mode switch : 1 or 2 speed
·
Power mode switch : P mode
·
Auto idle switch
·
Operate the travel control lever of the
②
raised track in full forward and reverse.
Rotate 1 turn, then measure time taken
③
for next 3 revolutions.
Raise the other side of machine and
④
repeat the procedure.
Repeat steps ③ and ④ three times and
⑤
calculate the average values.
(4) Evaluation
The revolution cycle time of each track should meet the following specifications.
Model
HX130CR
HX130LCR
: OFF
Travel speed
1 Speed
2 Speed
7-6
90 ~ 110
Mark
Unit : Seconds / 3 revolutions
Standard Maximum allowable
24.3±2.0
14.2±1.0
145ZF7MS06
32.6
19.8