Hyundai HX145LCR Manual page 431

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
be equal.
On the track to be measured, mark one
shoe with chalk.
Swing the upperstructure 90˚ and lower
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
50 5˚C.
(3)
Measurement
Select the following switch positions.
Travel mode switch : 1 or 2 speed
Power mode switch : P mode
Auto idle switch
Operate the travel control lever of the
raised track in full forward and reverse.
Rotate 1 turn, then measure time taken
for next 3 revolutions.
Raise the other side of machine and
repeat the procedure.
Repeat steps and
calculate the average values.
(4) Evaluation
The revolution cycle time of each track should meet the following specifications.
Model
HX145CR
HX145LCR
: OFF
three times and
Travel speed
1 Speed
2 Speed
7-6
90 ~ 110
Mark
Unit : Seconds / 3 revolutions
Standard Maximum allowable
26.1 2.0
15.2 2.0
145ZF7MS06
32.6
19