spring LAMBORGHINI MURCIÉLAGO 2009 Service User Guide

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9DOYHVRYHUKDXO 3UHOLPLQDU\RSHUDWLRQV •Extract the two camshafts (010903).

Remove the tappets and the valve unit from their housings (010903)and place them in the correct order on the
workbench so it is possible to re-establish their original positions when they are reassembled.
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1. Check the head valve ( A-Fig.1) and the seat ( B-Fig.1) conditions; if necessary, replace the valve or remake the
seat.
To clean the valves, proceed as follows:
•position the valve on a pillar drill. Before securing the valve to the drill, wrap tin foil around the drill-
valve contact area on the valve.
• Start the pillar drill.
• While the valve is turning, clean with a scouring pad.
• Remove the valve from the drill and wash completely.
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2. Check the valve guides ( C-Fig.1) and the oil seal ( D-Fig.1) wear; if necessary, replace the valve guide following
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3. Clean the tappet, spring and shim pack ( E-Fig.1) in the following order:
a. Wash.
b. Remove grease.
c. Blow.
• Reassemble the tappets and the valve unit in their housings (010905), placing them in the correct order.
• Assemble the two camshafts (010905).
Lubricate with oil during the assembly procedure.
•Shim the valves (010902).

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This is a differential device with a diaphragm, located in the front part of each fuel manifold and set by the manufacturerto a pressure of 4.00 ± 0.05 bars.
The fuel under pressure coming from the pump pushes onto the diaphragm ( C-Fig.3  RI WKH GRZQÀRZ YDOYH '
Fig.3 ), opposed by the calibrated spring ( %)LJ).
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Furthermore, through the pressure tap ( A-Fig.3), the vacuum in the intake manifold (where the injector shutter is
also located), operating on the regulator diaphragm, proportionally reduces the load from the calibrated spring.
In this way the pressure difference is kept constant between the fuel and the environment in which the injector is located (intake manifold) under all engine operating conditions.
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A. Vacuum signal tap
% Calibrated spring
C. Diaphragm
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( Fuel return
F. Fuel inlet

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Injectors
The task of the injector is to deliver the amount of fuel required for the engine operation: The fuel is injected into theintake duct, immediately upstream of the intake valves.
As the pressure differential is constant between inside and outside the injector (due to the regulator), the quantity of
fuel delivered, with the same electric power depends only on the opening time, established by the control unit.
The injector is the “top-feed” type with the fuel supplied from the rear of the body ( H-Fig.4), where the electric
winding ( ')LJ) is also located, connected to connector ( ()LJ). The needle ( %)LJ), integral with the anchor
( C-Fig.4 ), is thrust against the seal seat by a spring ( I-Fig.4).
:KHQ FXUUHQW SDVVHV WKURXJK WKH ZLQGLQJ WKH PDJQHWLF ¿HOG FUHDWHG DWWUDFWV WKH DQFKRU C-Fig.4) and as a
consequence the needle ( %)LJ RSHQVWKHLQMHFWRUDQGWKHIXHOÀRZVWKURXJK
When the current ceases, the shutter is called back into position by the spring ( I-Fig.4).
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1. Snug
2. Needle
3. Magnetic anchor
4. Winding
5. Connector
6. Filter
7. Spring thruster
8. Body
9. Return spring

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1. disconnect the clutch hydraulic pipe and close its end;
2. unscrew the anti-rotation bar hold and remove the clutch thrust bearing ( C-Fig.2). Be careful not to lose the
springs;
Check the clutch sleeve: if the working surface is damaged, unscrew the three fastening screws and replace
it. Replace the 3 underlying O-rings.
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1. Free the bolts from the sheet metal guards ( ')LJ).
2. Unscrew the bolts ( ()LJ) and remove the sheet metal guards.
3.  5HPRYHWKHÀ\ZKHHO F-Fig.3).

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B. Clutch thrust bearing assembly
C. Clutch assembly
B. Clutch thrust bearing assembly
1.
Replace the clutch sleeve: Position the three O-rings and tighten the three mounting screws; tightening torque
(000800-8b) .
2. Assemble the clutch thrust bearing ( D-Fig.2), tightening the antirotation bar hold. Be careful not to lose the
springs; tightening torque (000800-5c) .
3. Reconnect the hydraulic pipes to the clutch.
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2. Position the new sheet metal guards ( B-Fig.1).
3.  3RVLWLRQWKHÀ\ZKHHOXVLQJWKHEROWV C-Fig.1).
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•Gearbox cover removed ( 030103).
• Oil pump removed ( 011503).
Adjustment
1. Install P/N 62495085 tool to compress the rod retaining springs ( Fig.1).
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•Gearbox cover removed
(030103).
•Oil pump removed (031503).
•Pump side main shaft and countershaft bearings locked with a safety washer (030103).
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1. Remove the rod retaining balls ( $)LJ) and springs ( %)LJ).
2. Loosen the gear shift fork screws.
3. Loosen the gear shift tooth screws ( &)LJ).

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10.
Remove the 5th/6th control rod ( +)LJ).
11. Remove the forks from their synchronizers (
Fig.10).
12. Check for rod notches or burrs which can affect the correct slide; check for retaining spring integrity.

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13.
Fasten the reverse gear control tooth (reference) by means of a screw applied with medium strength thread stop ( ()LJ ); tighten to the prescribed torque:
Tooth screws; tightening torque (000800-3a)
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The 5th/6th control tooth, being a reference, is fastened by means of a screw engaged in the control rod, too.
14. Introduce the rod retaining balls in the cover ( F-Fig.9).
15. Introduce the rod retaining springs in the cover ( *)LJ).
16. Adjust the gear shift inner devices (030802).

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Independent wheel suspensions with tubular steel arms.
Four-link rear suspensions, double wishbone front suspensions.
The FSD shock absorbers vary their rigidity according to the frequency and extension.
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in the rear to reduce pitching during acceleration.
Coaxial springs with the shock absorbers, two for each rear wheel and one for each front wheel.0RGXODUOLJKWDOOR\ULPVDQGORZSUR¿OHWLUHV
Front and rear anti-roll bars.
Front and rear bump stops built in the shock absorbers.

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