PREVENTIVE MAINTENANCE ENGINE MAINTENANCE
Regional Haul
(R05/10) Y53-6033 – 173 –
WARNING! The exhaust piping can become
extremely hot during engine operation and
can cause personal injury including serious
burns to the skin. Allow adequate cooling
time before working near any part of the
exhaust system.
2. Remove the pump protective plate mounted on the
bottom of the DEF tank.
3. Using a 27 mm socket wrench (DIN3124), remove the
filter cap that is screwed to the DEF Supply pump.
Engine Accesories: Accessory Drive Belts
You can extend the reliability and service life of your vehi-
cle's drive belts with proper attention to installation, and
maintenance. Neglect could cause belt failure. The result
could be the loss of the electrical or air system as well as
possible engine damage from overheating. So it’s a very
good idea to check your belts frequently and replace them
as soon as you detect trouble.
Follow this procedure to install an accessory drive belt:
