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7-8
SWING SPEED
Measure the time required to swing three
complete turns.
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.
Keep the hydraulic oil temperature at
50
±
5˚C.
Measurement
Select the following switch positions.
Power mode switch : P mode
Operate swing control lever fully.
Swing 1 turn and measure time taken to
swing next 3 revolutions.
Repeat steps
②
and
③
three time and
calculate the average values.
Evaluation
6)
(1)
(2)
①
②
③
④
(3)
①
·
②
③
④
Unit : Seconds / 3 revolutions
The time required for 3 swings should meet the following specifications.
Model
HX130CR
HX130LCR
Power mode switch
P mode
Standard
14.3
±
1.5
Maximum allowable
17.4
(4)
145ZF7MS07
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 ...