Perkins 1204F-E44TA Operation And Maintenance Manual page 108

108
Maintenance Section
Coolant (DEAC) - Change
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.
Note: Refer to Operation and Maintenance Manual,
"General Hazard Information" for information on
Containing Fluid Spillage.
Illustration 57
Typical example
2. Remove drain plug (1) on the engine. Also remove
the drain plug (2). Open the drain cock or remove
the drain plug on the radiator.
Allow the coolant to drain into a suitable container.
3. Properly dispose of the drained material. Obey
local regulations for the disposal of the material.
Flush
1. Flush the cooling system with clean water and a
suitable cleaning agent in order to remove any
debris. Refer to your Perkins dealer or distributor
for suitable cleaning agents.
2. Install connection hose. Clean the drain plugs.
Install the drain plugs. Tighten drain plug securely.
Do not fill the cooling system faster than 5 L
(1.3 US gal) per minute to avoid air locks.
Cooling system air locks may result in engine
damage.
3. Fill the cooling system with clean water and install
the cooling system filler cap.
4. Start and run the engine at low idle for a minimum
of 30 minutes. The coolant temperature should be
at least 82 °C (180 °F).
Improper or incomplete rinsing of the cooling system
can result in damage to copper and other metal
components.
To avoid damage to the cooling system, make sure to
completely flush the cooling system with clear water.
Continue to flush the system until all signs of the
cleaning agent are gone.
5. 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. Remove the connection hose or
remove the cooling system drain plugs. Allow the
water to drain. Flush the cooling system with clean
water. Install the connection hose.
6. The drain plug O rings on the engine block must be
replaced. Clean the drain plugs and install new O
ring seal. Install the drain plugs and tighten to a
torque of 35 N·m (25 lb ft).
Fill
g03423123
Do not fill the cooling system faster than 5 L
(1.3 US gal) per minute to avoid air locks.
Cooling system air locks may result in engine
damage.
1. Fill the cooling system with the coolant/antifreeze.
Refer to this Operation and Maintenance Manual,
"Refill Capacities and Recommendations" topic
(Maintenance Section) for more information on
cooling system specifications. Do not install the
cooling system filler cap.
SEBU9063-07
NOTICE
NOTICE
NOTICE