Connection Of Oil Cooler Thermostat; Lubrication System Precautions - Lotus TURBO ESPRIT Service Manual

SECTION EA
Page
57
EA.30.
-
CONNECTION OF OIL COOLER THERMOSTAT
Oil cooler thermostats are fitted
to
late dry sump Turbos and all wet sump :nrbos
prior to 1986.
Early wet sump
cabs
are fitted with thermostat A910E6550F having
4
5/8" BSP
connections, whilst all other cars have thermostat A082E6016F, with 3 x 5/8"
BSP connections and 1 x BSP connection.
The large BSP connection is always the inlet connection from the engine,
ie from either the scavenge pump (dry sump) or upper connection on oil filter
sandwich plate (wet sump)
Thermos tats with 4 x 5/8"
BSP connections must be viewed down each port and
the diagram used below to identify the connections.
Unions clamping the mounting bracket
to
be coa ted:wTth
'
Ornni-Fi
t
'
thread lock
and torque tightened to 11 kgf .m. (80 1bf.ft) (Dry
sunp bracket shown)
Inlet from Cooler
Outlet to Cooler
€14.31
.
-
LUBRICATION
SYSTEM PRECAUTIONS
.
In the event of engine failure involving the possibility of debris entering the
lubrication systen, it is essential that the following precautions are taken
before re-assembly:
i clean and inspect all eigine oi lways inblock, crankshaft
,
cylinder head
etc.
ii)
Clean and inspect oil pump, pick up pipe and strainer and auxiliary housing.
iii) On 'dry sump' Turbo models, clean and inspect the oil tank and strainer.
iv)
Thoroughly flush out oil cooler hoses and clean and inspect oil cooler
thermos tat.
v )
In view of the difficulty of ensuring no debris is retained in. the oil.
cooler, this item must always be replaced in such circurns tances.
APR 1987