Daewoo Solar 300LC-V, Manual

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S0707315K
Page 37
Travel Motor (with Gearbox)
Parts Inspection and Inspection Standard of Reduction Gear
1. This reduction gear has few parts and designing life of each part is about the same. And so a state of
single part can be supplied, but when changing there are many parts to change simultaneously for
structure and function.
2. Inspection and inspection standard: It is a rule to change damaged parts unconditionally.
Inspection item Standard Standard of replacement Remark
Backlash Sun gear + Cluster
gear 0.160 - 0.320 1.00
Cluster gear + Ring
gear No.1 0.200 - 0.395 1.00
Cluster gear + Ring
gear No.2 0.200 - 0.395 1.00
Ring gear No.2 +
Coupling gear 0.200 - 0.608 1.30
Co Sun gear
spline 0.1-0.2 0.5
OPD Ring gear No.1 386.106 -
368.514
Ring gear No.2 337.482 -
337.678
Base
tangent
length Cluster gear No.1 63.259 - 63.344 4 Teeth
Cluster gear No.2 65.845 - 65.930 4 Teeth
Sun 27.791 - 27.858 2 Teeth
Each kind
of gear Pitting Pitting size of one each is over 1
mm.
Area rate:10%
Crack
Angular ball bearing Flaking,
pressing marks,
and other
damages
Carrier
assembly Clearance between
cluster gear and
thrust washer 0.3 - 0.7 1.2
Smoothing turn and
noise of cluster gear
Floating
seal Seal Damage of sliding surface
O-ring Damage
Thrust bearing 5.0 Below 4.7
5.5 Below 5.2
6.0 Below 5.7
Gear oil Refer to
Operation
Manual
Change after first 250 hours of
operation and every 1,000 hours
thereafter.
- But, change unconditionally when
disassembling.