2 OPERATION No MA. 230-O : II .h’
0, fug Ol, I/7‘, rodir,p sys/w1.
b) by replacing the header tank cap with a
flexible rocker-cover union
I V~~/7id<~S 2/ IU7h - ,
7. Run engine at approximately 2000 rpm until
electric fan (5) cut (5) in.
Then let the engine idle for about 10 mins.
Never open header tank cap while electric fan (5)
ore/is in operation.
Do not open bleed-screws ( 1 ) and (2) while engine
is running.
8. After releasing the air. water level should
stabilize in header tank. Level should be checked
when the engine is cold.
9. Fit the rubber covers cm the bleed-screws.
Replace spare wheel.
II. PARTIAL FILLING
Same operations as for total filling except that
the heater unit is not filled by outlet tube ( 3)
to the radiator.
111. FILLING AND DE-AERATING THE AUXILIARY
HEATER UNIT ON CX AMBULANCE VEHICLES
Before connecting the auxiliary heater unit water
system to the main system. the following must
be carried out :
- Fill up the auxiliary heater unit and its hoses
( with heater control open I with 1.6 litres
( 2.8 pts 1 of coolant liquid of the some type
as that used in the main
system.
- Connect all hoses. and tiqhten 011 hose clips.
-Stat engine. and wait for electric fan (5) to
to cut-in ( De-aeration time 1.’
- Check the operation of the auxilioly heater unit.
- WHEN THE ENGINE IS COLD, check the level,
and top up if necessary.
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