jcb 1CX, Service Manual

Page: 61 / 242

10 - 10
Engine (cont'd)
Checking the Coolant Level - 100 & 400 series engines
! !
WARNING
The cooling system is pressurised when the coolant is
hot. Hot coolant will burn you. Make sure the engine is
cool before checking the coolant level or draining the
system.
2-3-3-3
1 Park the machine on level ground. Stop the engine and
let it cool down.
2 Raise the bonnet. Check that the coolant level in the
expansion bottle is
2
/
3
full.
Note: If the level in the expansion bottle is low, then
continue with steps 3 to 6.
3 Top up the expansion bottle through the filler cap A.
The bottle should be
2
/
3
full.
4 Refit the filler cap and make sure it is tight.
5 If there is little or no coolant in the expansion bottle,
remove filler cap B and top up the level to just below
the filler neck. Refit the filler cap and make sure it is
tight
6 Run the engine for a while to raise the coolant to
working temperature and pressure. Stop the engine
and check for leaks.
Changing the Coolant - 100 & 400 series engines
- for interval, see Service Schedule
1 Park the machine on level ground. Stop the engine and
let it cool down. Open the bonnet.
2 Carefully loosen filler cap A just enough to let any
pressure escape. Remove the cap when all pressure is
released.
3 Remove the bottom hose from the lower box of the
radiator.
4 Unscrew the cylinder block drain tap C.
5 Flush the system by pouring clean water into filler cap
A.
6 Clean and refit bottom hose and tighten cylinder block
drain tap C.
7 Fill the system to just below the filler neck using the
necessary anti-freeze solution. (See Coolant Mixtures.)
8 Refit the filler cap A.
9 Top up the expansion bottle through the filler cap B.
The bottle should be
2
/
3
full.
10 Run the engine for a while to raise the coolant to
working temperature and pressure. Stop the engine
and check for leaks. Check the coolant level and top up
if necessary.
Section 3 Routine Maintenance
9803/8550
Section 3
10 - 10
Issue 2*
S255870
C
S262140
A
* *
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