PART 8: MAINTENANCE AND SERVICE
Preventive Maintenance Schedule
Recommended PM Interval
SYSTEM
COMPONENT
MAINTENANCE TASK
I
A
B
C
D
E
Hoses
Check the radiator and heater hoses for leaks.
X
X
Check the freeze point (see "What To Check In An ELC-
X
Check for contamination using test strips (see "ELC Condition
(Contamination and Inhibitor Concentration)").
X
Replace blank water
fi
lter if applicable.
X
Perform lab analysis (see page 152). If lab analysis shows
coolant is unsuitable for continued use Flush, drain, and re
fi
ll (see
lling Your Radiator"). Add ELC Extender (see "ELC Condition
(Contamination and Inhibitor Concentration)").
X
Extended Life Coolant (ELC)
Flush, drain, and re
fi
ll with new coolant (see "Re
X
Fan clutch housing
Check for air leaks. (see "Fan Clutch / Fan").
X
X
Cooling
Surge Tank Fill Cap
Check
fi
ll cap seal at each oil change.
X
X
X
X
X
X
R(08/07)
Y53-6015
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Summary of Contents for Peterbilt 320
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Page 210: ...PART 11 SUBJECT INDEX Windshield Washer Reservoir 29 206 Y53 6015 R 08 07 ...
Page 212: ...Peterbilt Motors Company P O Box 90208 Denton Texas 76202 ...