When Required
4.
Install drain plugs. Fill system with a commercially
available cleaning solution or 1 kilogram (2 lb.) Sodium
Bisulfate (NaHSO4) per 40 liters (10 U.S. gallons)
water.
5.
Start and run for 1/2 hour. Stop engine and drain
cleaning solution.
6.
Flush system with clean water until draining water is
clean. Do not run engine while flushing.
7.
Install all drain plugs. Fill system with neutralizing
solution or 250 grams (1/2 lb.) Sodium Carbonate
Crystals (Na2CO-H20) per 40 liters (10 U.S. gallons)
water.
8.
Start and run engine for 10 minutes. Stop en gine
and drain neutralizing solution.
9.
Flush system with clean water, until draining water is
clean. Do not run engine while flushing.
10. Install all drain plugs.
11. Fill engine with clean water. Run the engine for 10
minutes and drain.
Repeat until drained water is clean.
12. Add 1 liter (1 quart) of Caterpillar Cooling System
Conditioner, or equivalent, for each 30 liters (8 gallons)
of cooling system capacity so cooling system will have a
3% to 6% concentration of conditioner.
Most systems will require 2 liters (2 quarts) of condi
tioner at initial fill and .50 liters (1 pint) "Every 250
Service Hours."
13. Mix antifreeze and water to provide protection to the
lowest expected ambient temperature.
14. To help avoid air locks, add coolant slowly, at 19
liters (5 U.S. gallons) per minute or less.
Air Induction System-Changing Elements
Single Stage Air Cleaner
CAUTION
Service the air cleaner with the engine stopped.
Service the air cleaner when the red plunger in the
indicator locks in the visible position.
1. Remove the air cleaner cover and element.
1. Cover the turbocharger inlet opening.
30
