Battery Or Battery Cable - Disconnect; Cooling System Coolant - Perkins 1103 Operation And Maintenance Manual

52
Maintenance Section
Battery or Battery Cable - Disconnect
Battery or Battery Cable -
Disconnect
A
WARNING
i02150865
The battery cables or the batteries should not be
removed with the battery cover in place. The bat-
tery cover should be removed before any servic-
ing is attempted.
Removing the battery cables or the batteries with
the cover in place may cause a battery explosion
resulting in personal injury.
1. Turn the start switch to the OFF position . Turn the
ignition switch (if equipped) to the OFF position
and remove the key and all electrical loads.
2. Disconnect the negative battery terminal at the
battery that
goes to the start switch. Ensure that
the cable cannot contact the terminal. When four
12 volt batteries are involved. the negative side of
two batteries must be disconnected.
3. Tape the leads in order to help prevent accidental
starting .
4. Proceed with necessary system repairs . Reverse
the sleps in order to reconnect all of the cables.
i02203590
Cooling System Coolant
(Commercial Heavy-Duty) -
Change
NOTICE
Care must be taken to ensure that fluids are contained
during performance of inspection , maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the fluid wilh suilable containers before open-
ing any compartment or disassembling any compo-
nent containing fluids.
Dispose of all fluids according to Local regulations and
mandates .
SEBU7833-01
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 is observed .
The oil has entered the cooling system and the
coolant is conlaminated .
• The fuel has entered the cooling system and the
coolant is contaminated .
Note: When the cooling system is cleaned, only
clean water is needed.
Note: Inspect the water pump and the water
temperature regulator after the cooling system has
been drained. This is a good opportunity to replace
the water pump, the water temperature regulator and
the hoses, if necessary.
Drain
A
WARNING
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 pres-
sure.
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.