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Land Rover 90 110 Workshop Rover Manual

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Page 211

PETROL FUEL SYSTEM 1191 
f. -; I I- 7. Remove the short rebound spring. 
8. Clean all components  in paraffin. 
9. Immerse  pump body in petrol  and use air-line 
.. ., . * 
inside  pump  tube. 
2 
la 
/ --. 
s 
1 
I 
ST 1015M ‘d. 
NOTE:  The fuel filter  assembly,  instructions 2 and 
3, can be carried  out with  the pump  on the  vehicle. 
ASSEMBLE 
Pump  piston  assembly 
10. Fit the short rebound  spring. 
11. Fit the  return spring over the opposite  end of the 
12.  Slide  the piston  assembly...

Page 212

P 
ST 535 M 
19-49 5.47 
21.30  

Page 213

PETROL FUEL SYSTEM 119 I 
,,;. .. .:.: ~ )I. .. . .... .,,.._ ., . 19. Mark-up 
for  reassembly  purposes  and  remove the , , ,... .. . . ... choke  butterfly followed by the  choke spindle  and 
linkage. 
20.  Prior  to removal,  mark each throttle butterfly. 
21. Remove the throttle  linkage,  springs  and  washers, 
noting  their sequential  positions 
to aid rcassembly. 
22.  If required  remove  the  primary and sccondary 
throttle  butterflies  (after  marking
-up)  followed by 
the  respective...

Page 214

1191 PETROL FUEL SYSTEM 
47. Fit and secure the top cover  assembly  evenly, to 
48. Fit the  choke  spindle  into its housing. 
49. Locate  the choke  buttcrfly on the spindle  and 
loosely  retain with the two  special  screws.  Operate 
the  butterfly 
to centralise it on the spindle,  then 
secure  the screws  and lock  them  by preening. 
50. Refit the pull-down  capsule,  cable retaining 
bracket,  spacer and fixings. 
51. Fit the pull-down  lever engaging  the pivot  with the 
pull
-down  capsule...

Page 215

PETROL FUEL SYSTEM 
;$ji;! Idle adjustment ..” .. “I .7 NOTE: The idle  mixture  adjustment  screw  provides 
mixture  variation  at  idle  speed  only.  Above idle  speed 
the mixture  is determined  by fixed size jets. 
9. Start  the engine  and run until  the normal  operating 
temperature 
is attained. 
10. Turn  the throttle  butterfly  adjustment  screw to 
obtain  an idle  speed 
of 600 to 700 r.p.m. 
11. Turn  the idle  mixture  adjustment  screw clockwise 
or anti-clockwise  by one-quarter  turn...

Page 216

I19 I PETROL FUEL SYSTEM 
8  

Page 217

PETROL FUEL SYSTEM 1191 
.. , .:* . ,.I. /.I.._ .. 2, ‘ ... ,.. . ... . 
L- 0 Y v) - m 0 v) 
13. Dismantle the cold  start  assembly  but DO 
14. If necessary,  dismantle the throttle  spindle lever 
NOT 
remove  the discs  from  the spindle. 
assemblies  from both carburctters. 
Y 2 
e E1 
m U 
-U C m Slow-running  adjustment  screws 
Do not  attempt  to remove  these screws or break  the 
tamper
-proof  seals. See Cautionary  note under  ‘Tune 
and  Adjust’. 
3ex 
Remove  temperature compensator 
15....

Page 218

1191 PETROL FUEL SYSTEM 
ASSEMBLE CARBURETTERS 
Cold  start 
- L.H.  carburetter 
25. Place  the spring on the  cold  start  spindle. 
26. 
Fit the  spring  retaining  clip. 
27.  Check that 
the discs  slide easily on  the spindle. 
28. Place  the cold  start  spindle on  the starter  face. 
29.  Place 
the starter cover  in position. 
30. 
Fit the return  spring over the  spindle. 
31.  Rotate  the  spindle until the oval  port 
in the end 
disc is aligned with  the oval port in the starter  face. 
32....

Page 219

PETROL FUEL SYSTEM 119 
Float chamber assembly 
54. Fit the needle valve and new  washer. 
55. Locate the spindle in the float  arm  and fit the 
assembly  into the retaining  clips. 
seating  and 
thc float tab is contacting  the  needle. 
Measure  the dimension 
A between the carburetter 
gasket  face and 
the highest  point on the floats.  The 
correct  measurement  should be 17 to 
18 mm (0.67 
to 
0.71 in).  Adjust  by bending the float  tab. This 
dimension  must  be  the same  for both  floats....

Page 220

I 19 I PETROL FUEL SYSTEM 
V8 ENGINE ZENITH CARBURETTERS 
TUNE AND ADJUST 
Tamper
-proofing 
These  carburctters  may be externally  identified by a 
tamper
-proof  sealing  tube fitted  around  the slow 
running  adjustment  screw. 
The  purpose  of these  carburetters  is to  more  stringently 
control  the air fuel  mixture  entering  the engine 
combustion  chambers and, in consequence,  the exhaust 
gas  emissions  leaving 
the engine. 
For this reason  the only  readily  accessible  external...
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