Land Rover Defender 90 110 Workshop 1984 Rover Manual

PETROL FUEL SYSTEM 1191 
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19 PETROL FUEL SYSTEM 
SYMPTOM 
DIFFICULT STARTING WHEN COLD 
IIFFICULTSTARTING WHEN HOT 
ACK OF ENGINE  POWER 
:RRATIC SLOW-RUNNING  OR iTALLING ON DECELERATION 
:XCESSIVE FUEL CONSUMPTION 
V8 ENGINE CARBURETTER 
FAULT DIAGNOSIS 
POSSIBLE CAUSE 
Insufficient  choke action 
Fast  idle adjustment  incorrect 
Float  chamber 
level too IOW 
Carburetter llooding 
No fuel  supply to carburetter 
Choke  sticking  on 
Blocked  air cleaner 
Float  chamber  level 
too high 
No oil in damper or oil too thin 
Air...

PETROL FUEL SYSTEM El 
LAND ROVER 110 TWIN  TANK  INSTALLATION 
Description 
The  fuel system  includes two  fuel tanks,  one at the rear 
of the vehicle  and an  additional  fifteen  gallon 
(68,20 litres) capacity tank on the right-hand  side of the 
vehicle.  Both tanks  contain 
an electrically  operated 
submerged  fuel pump 
in addition  to  a fuel  level 
indicator  unit in each  tank.  An ignition  controlled 
switch 
on the control  panel enables  the driver to select 
the  tank  to be  used....

PETROL FUEL SYSTEM 119 
. 
VAPOUR SEPARATOR 
A. Vapour separator 
B. Spill  return to side tank 
C. Restrictor  and spill  return  to solenoid  valve 
D. Outlet from separator to carburetter 
SPILL RETURN  SOLENOID VALVE 
A. Solenoid valve 
B. Spill  return to side tank 
C.  Spill  return  to rear  tank 
D. To carburetter  via filter and vapour  separator 
NON-RETURN VALVE 
A. Non-return valve 
B. Spring 
C. 
Ball 
We 8 ST1844M 
FUEL PUMP 
A. Pump  and motor 
B. Filter 
C. Gasket 
D. Electrical...

PETROL FUEL SYSTEM 
LAND ROVER 110 TWIN TANK FUEL SYSTEM 
I 
28 ::  

PETROL FUEL SYSTEM E[ 
LAND ROVER 110 TWIN TANK FUEL SYSTEM 
KEY TO FUEL LINE INSTALLATION 
1. In-tank  fuel pump- rear  tank. 
2. In-tank  fuel pump -side tank. 
3. Fuel  gauge  tank unit -rear tank. 
4. Fuel  gauge  tank unit -side tank. 
5. Spill return solcnoid. 
6. Fuel  filter. 
7. Fuel  supply  pipe - rear tank  to filter  via T-piccc. 
8. Pipe,  filter to vapour scparator. 
9. Vapour  separator. 
10. Vapour separator  outlet to carburetter. 
1 1. Spill return  pipe to fuel  tank  via restrictor...

1191 PETROL FUEL SYSTEM 
LAND ROVER 110 BASIC FUEL SYSTEM 
1. In-tank fuel pump. 
2. Fuel gauge tank  unit. 
3. Fuel supply  pipe to filter via connector. 
4. Fuel filter. 
5. Fuel supply pipe filter  to vapour separator 
6. Vapour separator. 
7. Vapour separator,  outlet to carburetter. 
8. Spill  return  pipe to fuel  tank  via restrictor. 
9. Fuel  filler. 
10. Breather  hose. 
11. Restrictor. 
12. Fuel tank drain  plug. 
f. f  

-- 
: *:+ .* ; LAND ROVER 90 BASIC FUEL SYSTEM *- 
I. In-tank fuel pump. 
2. Fuel tank gauge unit. 
3. Fuel supply pipc to filter. 
4. Fuel  filter. 
5. Fuel  supply  pipe filter  to vapour  separator 
6. Vapour  separator. 
7. Vapour separator,  outlet to carburctter. 
8. Spill return pipc  to fuel  tank  via restrictor. 
9. Fuel  filler. 
10. Breather  hose. 
11. Restrictor. 
12. Fuel tank drain  plug.  

El PETROL FUEL SYSTEM 
REMOVE REAR TANK FUEL PUMP 
To renew  the pump it is first  necessary  to remove  the 
fuel  tank  from  the vehicle.  Before  commencing the 
following  instructions  it is  essential  that the 
WARNINGS  and safety  precautions  concerning  fuel 
tank  draining  and removal  are studied  and observed. 
These  precautions  are included 
in the introduction  to 
this  and  each 
of the five  books  comprising  the 
workshop  manual for the  Ninety and One
-Ten  vehicles. 
1. Move...