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MAINTENANCE
SECTION 8
Page 17
COOLING SYSTEM
"Don't
Add Cold Water To A Hot Machine Unless Absolutely
Necessary."
1. Be sure the drains are closed.
2. Fill the cooling system slowly; this allows more air to
escapeand the system to be filled to maximum capacity. Re-
fer to your Cummins Engine Operator's Manual for the type
of coolant specified.
3. Start engine and run until normal operating temperature is
reached, adding coolant as neededto keep proper level at the
bottom of filler neck.
4. After all air is removed and level remainsfixed, install the
radiator cap (1IIust.23).
•
CE-JOS422
-
lIIust. 23
Radiator Cap.
CLEANING THE SYSTEM
1.
Drain the system. Refer to "D RAI NI NG THE SYSTEM" in
this section.
2. Closethe cooling systemdrains.
3. Fill the system with clean water (refer to "FILLING THE
SYSTEM" in this section), and add a flushing compound that
is compatible with aluminum. Flush the system in accordance
with the instructions furnished with the compound.
4. After flushing, rinsing, and completely draining the system,
refill with clean coolant. Refer to "FI LLiNG THE SYSTEM"
in this section.
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