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 Every 2000 Service Hours or 1 Year
Clean the Cooling System
6.
Install the drain plug. Fill the system with a
neutralizer. Use a commercially available neutralizer or
250 grams (1/2 lb.) sodium carbonate crystals per 38
liters (10 gal.) of water.
7.
Operate engine for ten minutes. Stop the engine
and drain the neutralizer.
8.
With the engine stopped, flush the system with
water until drain water is clear. Install the drain plug.
9.
Fill the system with clean water and operate the
engine for five minutes. Remove the drain plug, drain
the cooling system and install the drain plug.
10.
Repeat Step 9 until water drained is clear.
1.
Remove the filler cap slowly to relieve pressure.
11.
Mix a solution of water, antifreeze and cooling
system conditioner. See "Refill Capacities" for amount of
coolant needed.
12.
Add solution slowly at 20 liters (5 U.S. gal) or
less per minute to avoid air locks.
13.
Start and operate the engine with the filler cap
removed until the thermostat opens and the coolant level
stabilizes. Fill the system to the bottom of fill tube.
14.
Stop the engine.
15.
Install the filler cap.
2.
Remove the drain plug. Allow coolant to drain.
Install the drain plug when all of solution is drained.
3.
Fill the cooling system with a cleaning solution.
Use a commercially available cleaner or 1 Kg (2 lb.)
sodium bisulfate per 38 liters (10 gal.) of water.
4.
Start and operate engine for hour.
Stop
engine and drain the cleaning solution.
5.
With the engine stopped, flush the system with
water until draining water is clear.
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