Peterbilt 579 - Page 260

PREVENTIVE MAINTENANCE SCHEDULE
5
PREVENTIVE MAINTENANCE (PM) INTERVALS
SYSTEM COMPONENT MAINTENANCE TASK
Recommended PM
Interval
I A B
C
D E
Air Intake
Air intake piping, mounting,
and charge air cooler
Check the system for broken pipes, leaks, joint integrity,
cleanliness, and proper support (shown on page 5-99).
X
Air cleaner
Replace the engine intake air cleaner element (shown on page
5-98).
When required by air restriction
indicator or required by the engine
manufacturers operator manual.
Clutch Clutch hydraulic
uid Replace uid and bleed system.
X
Clutch release
bearing
Lubricate. X
Inspect and
adjust when necessary (no adjustment required
for SOLO type clutches)
X
Cooling
Hoses
Check the
radiator and heater hoses for leaks.
X X
Extended Life
Coolant
(ELC)
Check the freeze point (shown on page 5-72).
X
Check for
contamination using test strips (shown on page 5-71).
X
Replace blank
water lter if applicable.
X
Perform lab
analysis (shown on page 5-71).
If lab analysis shows coolant is unsuitable for continued use:
Flush, drain, and rell (shown on page 5-71).
Add ELC Extender (shown on page 5-71).
X
Flush, drain,
and rell with new coolant (shown on page 5-71).
X
Fan clutch
Check for air leaks. (shown on page 5-97).
Check the fan drive bearings (turn the sheave in both directions
to check for worn hub bearings).
X X
Solenoid valve Check the fan drive for proper engagement and disengagement.
X X
5-24 Y53-6047–2C (04/13)