Peterbilt 579 - Page 246

PREVENTIVE MAINTENANCE SCHEDULE
5
WARNING!
Disconnect the battery ground strap
whenever you work on the fuel sys
-
tem or the electrical system. When
you work around fuel, do not smoke
or work near heaters or other re haz
-
ards. Keep an approved re extin-
guisher handy. Failure to comply may
result in death, personal injury, equip
-
ment or property damage.
Always support the vehicle with ap-
propriate safety stands if it is neces-
sary to work underneath the vehicle. A
jack is not adequate for this purpose.
Failure to comply may result in death,
personal injury, equipment or property
damage.
WARNING!
WARNING!
When working underneath the vehi-
cle without appropriate safety stands
but with the wheels on the ground (not
supported), make sure that (1) the ve
-
hicle is on hard level ground, (2) the
parking brake is applied, (3) all wheels
are blocked (front and rear) and (4) re
-
move the ignition key so that the en-
gine cannot be started. Failure to com-
ply may result in death, personal injury,
equipment or property damage.
Never start or let the engine run in an
enclosed, unventilated area. Exhaust
fumes from the engine contain carbon
monoxide, a colorless and odorless
gas. Carbon monoxide can be fatal if
inhaled. Failure to comply may result
in death, personal injury, equipment or
property damage.
WARNING!
The following pages contain a table
of maintenance tasks with the related
intervals for each task on the right
side of the table. The top of the table
displays a guide to a maintenance
interval and its schedule. Some
tasks are dependent on the vehicle
application. These tasks will be
shown as separate tasks and will have
the words “ON HIGHWAY”, “CITY
DELIVERY” or “OFF-HIGHWAY”
after the description. These tasks
are differentiated because they are
dependent on the vehicle’s operating
environment.
On highway
is dened for applications
where the vehicle is NOT used off of a
paved road during normal operation.
City Delivery
is dened for applications
where frequent start and stopping is
required during normal operation and
the highway is used infrequently and
for short periods of time.
5-10
Y53-6047–2C (04/13)