.
ENGINE
DEFENDER
Adjust tappet clearances
Test procedure crankcase ventilator
WARNING
the crankshaft is rotated with
2. With the unit removed from the rocker cover
seal off the two ports illustrated and apply a
vacuum to the third por. As the vacuum pump
is operated the diaphragm valve will be heard
t o seat. While holding t he vacuum unseal
either of the other two ports and the diaphram
valve will release.
excessive valve clearances, it is possible that
the push rods may become dislodged from
the tappet seating and fracture the tappet
slide.
To prevent damage, eliminate all clearance from any
loose rockers before tuming the crankshaft to adjust
clearances.
3. Failure of the diaphragm valve t o seat during
test, indicates that the diaphragm is punctured
and the unit should be renewed.
1.
2.
Tum the engine over until number eight valve
(counting from front of engine) is fully open.
Using a
the clearance of number o ne valve.
4. Refit the unit using a new rubber
ring.
(0.008 in) feeler gauge adjust
Fitting rocker cover
5.
Apply a continuous bead of Hylosil which
starts and finishes 10 each side of the half
moon grooves at both ends of the rocker shaft
and press the seals into position.
Locate a new seal in the rocker cover and fit
the cover to the cylinder head securing with
the three special bolts and conical washers.
Tighten the bolts evenly t o the correct torque
and reconnect the ventilation hoses.
Continue t o adjust the remaining tappets in the
following sequence:
6.
&-
Set No. 3 tappet with No. 6 valve fully open.
Set No. 5 tappet with No. 4 valve fully open.
Set No. 2 tappet with No. 7 valve fully open.
Set No. 8 tappet with No. 1 valve fully open.
Set No. 6 tappet with No. 3 valve fully open.
Set No. 4 tappet with No.
fully open.
Set No. 7 tappet with No. 2 valve fully open.
Rocker cover and crankcase ventilator
If necessary release the single bolt and remove
the oil separator ventilation valve unit, from
the side of the rocker cover and thoroughly
clean.
Its function is to separate t he oil from the crankcase
ventilation atmosphere, allowing the oil to retum t o
the sump and t he residues t o be drawn into the
chamber where they are bumed. The
unit also contains a diaphragm valve which controls
the purge rate of the crankcase fumes. The
operation of the valve may be tested as follows.
80
| Categories | Land Rover, Land Rover Defender 110, Land Rover Defender 130, Land Rover Defender 90 |
|---|---|
| Tags | Land Rover |
| Model Year | 1990 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Defender 90, 110, 130 Td5, Tdi, V8 |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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