
4.
Clean all disconnected connection and battery
terminals.
5.
Use a fine grade of sandpaper to clean the
terminals and the cable clamps. Clean the items
until the surfaces are bright or shiny. DO NOT
remove material excessively. Excessive removal
of material can cause the clamps to not fit
correctly. Coat the clamps and the terminals with a
suitable silicone lubricant or petroleum jelly.
6.
Tape the cable connections to help prevent
accidental starting.
7.
Proceed with necessary system repairs.
8.
To connect the battery, connect the positive
connection before the negative connection.
i02870187
Belt
Tensioner
-
Inspect
Illustration 33
g01429637
Typical example
Remove the belt. Refer to Disassembly and
Assembly, “Alternator Belt - Remove and Install”.
Ensure that the belt tensioner is securely installed.
Visually inspect the belt tensioner (1) for damage.
Check that the roller on the tensioner rotates freely.
Some engines have a guide roller (2). Ensure that the
guide roller is securely installed. Visually inspect the
guide roller for damage. Ensure that the guide roller
can rotate freely.
Install the belt. Refer to Disassembly and Assembly,
“Alternator Belt - Remove and Install”.
i02854855
Cooling
System
Coolant
(Commercial
Heavy-Duty)
-
Change
NOTICE
Care must be taken to ensure that fluids are con-
tained during performance of inspection, mainte-
nance, testing, adjusting and repair of the product.
Be prepared to collect the fluid with suitable contain-
ers before opening any compartment or disassem-
bling any component containing fluids.
Dispose of all fluids according to Local regulations
and mandates.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
Clean the cooling system and flush the cooling
system before the recommended maintenance
interval if the following conditions exist:
• The engine overheats frequently.
• Foaming of the coolant is observed.
• The oil has entered the cooling system and the
coolant is contaminated.
• The fuel has entered the cooling system and the
coolant is contaminated.
Note:
When the cooling system is cleaned, only
clean water is needed.
Drain
Pressurized System: Hot coolant can cause seri-
ous burns. To open the cooling system filler cap,
stop the engine and wait until the cooling system
components are cool. Loosen the cooling system
pressure cap slowly in order to relieve the
pressure.
1.
Stop the engine and allow the engine to cool.
Loosen the cooling system filler cap slowly in
order to relieve any pressure. Remove the cooling
system filler cap.
74
SEBU8172-04