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WEBM1000 Maintenance Section (D6T LGP (OEM))
Cooling System Coolant Sample (Level 1) - Obtain
4. Inspect filler cap (2) and the filler cap seal for
debris, for foreign material, or for damage. Clean
filler cap (2) with a clean cloth. Replace the
radiator cap if the filler cap is damaged.
5. Install
the filler cap.
6. Inspect the radiator core for debris. Clean the
radiat
or core, if necessary.
Use compressed air, high-pressure water, or steam
to re
move dust and debris from the radiator core.
However, the use of compressed air is preferred.
Cooling System Coolant
Sample (Level 1) - Obtain
Personal injury can result from hot coolant,
steam and alkali.
At operating temperature, engine coolant is hot
and under pressure. The radiator and all lines to
heaters or the engine contain hot coolant or
steam. Any contact can cause severe burns.
Remove filler cap slowly to relieve pressure only
whe
n engi
ne is stopped and radiator cap is cool
enough to touch with your bare hand.
Do not attempt to tighten hose connections when
th
e coolant
is hot, the hose can come off causing
burns.
Cooling System Conditioner co
ntai
ns alkali.
Avoid contact with skin and eyes.
Obtain the sample of the coolant as close as
possible to the recommended sampling interval. In
order to receive the full effect of S·O·S analysis,
establish a consistent trend of data. In order to
establish a pertinent history of data, perform
consistent samplings that are evenly spaced.
Supplies for collecting samples can be obtained
from your Cat dealer.
Level 1 Analysis
NOTICE
Always use a designated pump for oil sampling, and
use a separ
ate designated pump for coolant
sampling. Using the same pump for both types of
samples may contaminate the samples that are
being drawn. This contaminate may cause a false
analysis and an incorrect interpretation that could
lead to concerns by both dealers and customers.
NOTICE
Care must be taken to ensure that fluids are
contain
ed 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 “D
ealer
Serv
ice Tool Catalog” for tools and supplies suitable
to collect and contain fluids on Cat products.
Dispose of all fluids according to local regulations
and mandates.
Note: Obtaining a Coolant Sample (Level 1) is
not necessary if the cooling system is filled with
Cat ELC (Extended Life Coolant). Cooling systems
that are filled with Cat ELC should have a Coolant
Sample (Level 2) that is obtained at the
recommended interval. That interval is stated in the
Maintenance Interval Schedule.
Note: Obtain a Coolant Sample (Level 1) if the
cool
ing sy
stem is filled with any other coolant
instead of Cat ELC. This sampling includes the
following types of coolants.
• Commercial long life coolants that meet the
C
aterpillar Engine Coolant Specification -1
(Caterpillar EC-1)
•
Cat Diesel Engine Antifreeze/Coolant (DEAC)
• Commercial heavy-duty coolant/antifreeze
Testing the coolant can be done at your Ca
terpillar
dealer. Caterpillar S·O·S Coolant Analysis is the best
way to monitor the condition of your coolant and
your cooling system. S·O·S Coolant Analysis is a
program that is based on periodic samples.
Perform a Coolant Analysis (Level 1 ) at 250 hours
f
or
systems that do not contain extended life coolant
(ELC).
Use the following guidelines fo
r p
roper sampling of
the coolant:
• Complete the information on the label for the
sam
pling bottle before you begin to take the
samples.
• Keep the unused sampling bottles stored in
plast
ic bag
s.
• Obtain coolant samples directly from the coolant
sam
ple port. You should not obtain the samples
from any other location.