Hyundai R 160 LC-3, Service Manual

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8-62
INSPECTIONS
Precautions
This assembly is designed to balance the life time of each part. Therefore, when replacing the
parts, some parts could require another part's replacement at the same time because of their
structural or functional correlations.
Inspections replacement
When the pitting happens on a tooth of sun gear, planetary gear or ring gear, replace the
gear.(When a pit size is bigger than
ܵ
1mm(0.04") or the pits are more than 5 percent of the
tooth.)
Replace the lock pin when loosely installed in the pin groove because of the wearing.
Replace the oil seal when damaged or weared. Replace the oil seal when reassembling the
reduction gear assembly.
Replace the No.1 carrier assembly when flaking happens on the sliding surfaces of the No.1
planetary gear.
Replace the No.2 planetary gear assembly when radial clearance of bearing is more than
0.6mm(0.02").
Replace the No.2 planetary gear assembly when removing the output shaft.
Replace the thrust button when the sliding surface of the sun gear is badly damaged.
Replace the thrust washer only when it was damaged.
Replace the shaft support bearing when it was damaged. Do not reuse the disassemble shaft
support bearing.
Inspect the No.2 planetary gear, thrust button, thrust washer, and shaft support bearing as
in assembly.
DISASSEMBLY
Remove the level bar(311) and pipe(312) installed in the swing motor.
Loosen the drain plug in the swing gear box to discharge the gear oil.
Check the gear oil for contamination.
Release the bolt(602) and remove the swing motor from reduction gear assembly.
Release the No.1 sun gear(211).
Release the No.1 carrier assembly(231) including No.1 planetary gear(210).
Disassemble the No.1 carrier assembly, if necessary.
Release the snap ring(911) and remove the side plate(285).
Remove the No.1 planetary gear(210) and needle cage(403).
Remove the side plate(288).
Remove the side plate(287) in the center of No.1 carrier.
Release the No.2 sun gear(204).
Remove the No.2 carrier assembly(230) including No.2 planetary gear 2.
Disassemble the No.2 carrier assembly, if necessary.
Remove the ring gear(202).
Remove the snap ring(913) from drive shaft(201) assembly.
Remove the bearing seal(915) and roller bearing(401) from the casing(102), if necessary.
Remove oil seal(801) from casing(102).
Remove that the above articles(6,9,12) are applied for only special inspections or
maintenance.
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