
145
WEBM1000 Maintenance Section (D6T LGP (OEM))
Final Drive Oil Sample - Obtain
Final Drive Oil Sample - Obtain
Hot oil and components can cause personal
injury.
Do not allow hot oil or components to contact
skin.
NOTICE
Care must be taken to ensure that fluids are
contained
during performance of inspection,
maintenance, testing, adjusting, and repair of the
product. Be prepared to collect the fluid with suitable
containers before opening any compartment or
disassembling any component containing fluids.
Refer to Special Publication, NENG2500 “Dealer
Ser
vice To
ol Catalog” for tools and supplies suitable
to collect and contain fluids on Cat products.
Dispose of all fluids according to local regulations
and mandates.
Obtain the sample of the differential and final drive
oil as close as possible to the recommended
sampling interval. The recommended sampling
interval is every 500 service hours. In order to
receive the full effect of S·O·S oil analysis, establish
a consistent trend of data.
187
Illustration 187
1. Position one final drive so that oil level mark (1) is
horizontal. Drain plug (3) should face downward.
2. Remove oil filler plug (2) and obtain the oil
sample with a 1U-
5718 Vacuum Pump.
Note: Do not use the drain
stream method to obtain
a sample of the final drive oil. A stream of dirty oil
from the bottom of the compartment will contaminate
the sample. Likewise, never dip an oil sample from
an oil container or pour a sample from a used filter.
3. Ins
tall oil filler plug (2).
4. Repeat Step 1 to
Step
3 in order to sample the oil
in the other final drive.
Reference: Refer to, “
Lubricant Viscosities” in the
Maintenance Section of this manual for the correct
fluid for your machine.
Reference: Ref
er t
o Special Publication,
SEBU6250, “Caterpillar Machine Fluids
Recommendations”“S·O·S Oil Analysis” for
information that pertains to obtaining a sample of the
final drive oil. Refer to Special Publication,
PEHP6001 “How To Take A Good Oil Sample” for
more information about obtaining a sample of the
final drive oil.
Front Idler Position - Check
SystemOne Undercarriage
The following check is for Caterpillar SystemOne
Undercarriages that have the center tread idler.
188
Illustration 188
Elevated undercarriage system
1. Park the machine on a hard, flat surface. Make
sure that the bottom track is tight and that the
measured grouser lies directly below the track
idler shaft.
2. M
easure the height (A, B) from the flat ground
surf
ace to the grouser tip that is centered below
the track idler shaft.
3. M
aintain the grouser height (rise) to the following
dimen
sions.