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7-9
SWING FUNCTION DRIFT CHECK
Measure the swing drift on the bearing
outer circumference when stopping after
a 360˚ full speed swing.
Preparation
Check the lubrication of the swing gear
and swing bearing.
Place the machine on flat, solid ground
with ample space for swinging. Do not
conduct this test on slopes.
With the arm rolled out and bucket rolled
in, hold the bucket so that the height of
the bucket pin is the same as the boom
foot pin. The bucket must be empty.
Make two chalk marks: one on the swing
bearing and one directly below it on the
track frame.
Swing the upperstructure 360˚.
Keep the hydraulic oil temperature at
50
±
5˚C.
Measurement
Conduct this test in the M mode.
Select the following switch positions.
·
Power mode switch : P mode
Operate the swing control lever fully and
return it to the neutral position when the
mark on the upperstructure aligns with
that on track frame after swinging 360˚.
Measure the distance between the two
marks.
Align the marks again, swing 360
。
, then
test the opposite direction.
Repeat steps
④
and
⑤
three times each
and calculate the average values.
Evaluation
Drift angle
Swing start & stop
360 swing
7)
(1)
(2)
①
②
③
④
⑤
⑥
(3)
①
②
③
④
⑤
⑥
Unit : Degree
The measured drift angle should be within the following specifications.
(4)
Model
HX130CR
HX130LCR
Power mode switch
P mode
Standard
90 below
Maximum allowable
157.5
Remarks
145ZF7MS07
130ZF7MS08
Summary of Contents for HX130 LCR
Page 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Page 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Page 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Page 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...