1-4 About your vehicle
Regular maintenance will improve the performance
of your vehicle and extend its service life. It is rec-
ommended that you make a habit of performing the
following inspections.
In this manual, you will find simple maintenance
checks and procedures that can be carried out by
the owner. If you have difficulty, or your vehicle
needs work that is not described in this manual,
please contact an authorized Sterling service facil-
ity.
1 Engine run-in period
To avoid overburdening a new engine, limit engine
speed to 1800 revolutions per minute (rpm) for the
first 600 miles (1000 km).
After this initial run-in period, gradually increase
engine speed, starting with the lower gears.
2 Pretrip inspection
Inspect your vehicle at the start of each working
day. This will ensure continued safe and comfort-
able operation. P. 11-7
3 Initial maintenance
After you have traveled the first 2500 miles (4000
km), your vehicle needs a free initial maintenance
procedure. When this mileage has been reached,
bring your vehicle to an authorized Sterling dealer
and show them this manual.
At 2500 miles (4000 km), have the dealer do the fol-
lowing:
• Replace the engine oil, manual transmission oil,
and rear axle oil. P. 11-17
• Check and adjust valve lash. P. 13-4
• Tighten the wheel nuts. P. 11-53
• Tighten the suspension U-bolts. P. 13-4
4 Maintenance program
Recurring maintenance lengthens the vehicle’s ser-
vice life and can help prevent accidents. Recurring
maintenance can be based on either distance trav-
eled (odometer reading), or length of service (hour-
meter reading).
Maintenance intervals for each recurring item are
shown in the maintenance schedule. Please follow
the maintenance schedule. P. 14-2
Maintenance
Z11771
Z01367
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