Reference
Modification-No.
- 0 -
Page
35
Date
1996 05 10
Install
914 F
12.6) Feasible location of radiator
See illustration 20.
The expansion tank Q must always be positioned at the highest point of the cooling
system.
■ ATTENTION: If necessary, the radiator outlet opening I may be max. 1,5 m
( 5 ft) above or below water inlet bend T on water pump (see ill. 20).
◆ NOTE: On the standard engine version the expansion tank Q is fitted on top
of the engine (see ill. 20).
For proper operation of the cooling system the expansion tank Q with pressure cap
W has to remain for all possible engine positions on the highest point of the cooling
circuit.
Additionally the system needs an overflow bottle U where surplus coolant is collected
and returned back into the circuit at the cooling down period.
◆ NOTE: For proper operation keep hose to overflow bottle as short and small
as possible.
■ ATTENTION: To warrant the proper operation of the cooling system the delivery
head between overflow bottle and expansion tank must not exceed
250 mm (10").
Requirements on the overflow bottle U
➪ transparent material
➪ unaffected by temperatures from -40° C (-40° F) to +125° C (257° F)
➪ resistant against 100% Glycol and any other anti freeze agent
➪ possible to vent Y
➪ volume c . 0,5 l (.13 us gal)
◆ NOTE: The overflow bottle ought to be furnished with a label indicating function
and content.
▲ WARNING: Ensure that the overflow bottle will never be empty, otherwise air will
be sucked into cooling circuit with ill effect to safe operation of the
engine.
Ill. 20
QQ
R
R
U
U
I
I
TT
max. 1,5 m
WW
E
E
YY
max. 250mm
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