MAINTENANCE SECTION 5
Page 15
DRESSTA OM560C99/1E
SEASONAL PREPARATION
WARNING! For your personal safety, use caution and follow the manufacturer's
instructions when using external heaters
5.5.1. FUEL SYSTEM
Refer to LUBRICANT, COOLANT AND FUEL EQUIVALENTS for recommended diesel fuels which
give the most satisfactory performance of the engine.
5.5.2.COOLING SYSTEM
Prepare the cooling system as follows:
1. Check the entire engine system for leaks.
2. Inspect the condition of all hoses and replace the hoses and hose clamps as necessary.
3. Clean the cooling system.
4. Check the drive belts tension and adjust the tension or replace a worn belt.
5. Remove all debris from the radiator core using air or water under pressure. Direct the flow
through the core, opposite the normal direction of air flow.
WARNING! For your personal protection, water pressure should not exceed 275
kPa and air pressure should not exceed 210 kPa. Use safety goggles.
6. Clean the radiator guard and the outside of the core.
7. Protect your cooling system from damage by using approved antifreeze (based on ethylene
glycol) and coolant.
8. Keep your cooling system clean and minimize corrosion by changing the coolant filter at correct
intervals. Refer to "COOLING SYSTEM."
5.5.3. ELECTRICAL SYSTEM
Clean batteries and remove all corrosion from the battery terminals and cables. Repair or replace
all wires which have worn, cracked or frayed insulation and broken or loose wires. Service the
batteries.
5.6. AIR CLEANING SYSTEM
5.6.1. AIR CLEANER
This machine has a „dry-type” cleaner with replaceable elements (Fig. 5.9.) The cleaner has two
elements: outer and inner. The outer cleaner can be cleaned for a limited number of times before
replacement is necessary, however, the inner element must be replaced when plugged.
To protect the engine against dirt penetration perform as follows:
CHECKING AIR INTAKE SYSTEM FOR LEAKS
As a precaution against dirt entering the engine, all gasket and rubber hoses between the air
cleaner, turbocharger and intake manifold, and between the manifold and cylinder head must be in
a good condition and the joints or connections must be tight.
IMPORTANT: Never operate the engine unless a filter element is installed.
Never start the engine unless air cleaner elements are in place and the covers are tight.
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