8 - 5
Section 3
Routine Maintenance
9803/6020
Section 3
8 - 5
Issue 1
Engine (continued)
Changing the Coolant
1
Do Steps 1 and 2 of
'Checking the Coolant Level'
2
Drain the System
Open the radiator drain tap
A
. Remove the cylinder
block drain plug
B
. Remove the expansion bottle cap
(see
Checking the Coolant Level
). Let the coolant
drain out.
!
CAUTION
Keep your face away from the drain hole when
removing the drain plug.
2-3-3-4
3
Flush the System
If necessary. Use clean water.
4
Refit the Drain Plug
Clean and refit the drain plug, making sure it is tight.
Close the radiator drain tap.
5
Fill the System
Using the necessary mix of clean, soft water and
antifreeze, (see
Coolant Mixtures
) fill via the
expansion bottle cap until the level in the bottle is
between the FULL and LOW marks.
6
Refit the Radiator Pressure Cap
Make sure it is tight.
7
Refit the Expansion Bottle Cap
Make sure it is tight.
8
Check for Leaks
Run the engine for a while to raise the coolant to
working temperature and pressure. Stop the engine.
Check for leaks. Re-check the level in the expansion
bottle and top up if necessary.
Cleaning the Radiator and Oil Cooler
A clogged radiator and/or oil cooler can lead to engine
overheating. Regularly check for a build-up of dirt and
debris and, if necessary, use compressed air to clean-out
the grille. At the same time check all hoses for damage or
perishing, and replace if necessary.
A
B
Summary of Contents for JS70
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Page 189: ...Section E Section E Hydraulics 9803 6020 Issue 1 33 4 33 4 Control Valves Control Valve 291360...
