ENGINE
Inspecting components
Rocker arm bushes - replace
1.
2.
3.
Measure and record diameter of rocker shaft at
one of the pedestal locations.
Measure and record diameter of rocker shaft at
each of the rocker arm locations.
Compare measurements obtained and
calculate difference between diameters. If wear
at any rocker shaft location exceeds 0.025 mm,
a new rocker shaft must be fitted.
Check rocker arm pads for signs of wear,
replace rocker arms as necessary.
Check threads and ball ends of each tappet
adjusting screw for wear. Pay particular
attention to ball ends, replace any showing
signs of flattening on the ball or damage to
threads.
4.
5.
6.
7.
Check that each nut runs freely on adjusting
screw threads.
Check each push rod for signs of wear and for
straightness, replace as necessary.
Check valve caps for signs of wear, replace as
necessary.
8.
1.
2.
Support rocker arm on bed of hand press.
Using a suitable piloted mandrel, press bush
out of rocker arm.
Lubricate replacement bush with engine oil and
press into rocker arm ensuring that lubrication
holes in bush and arm are aligned.
9.
Check rocker arm bushes for scoring and
wear.
Assemble each rocker arm to its fitted location
on rocker shaft and check clearance of bush to
shaft does not exceed 0.12 mm.
3.
10.
11.
If clearance exceeds figure given, bushes must
be replaced.
4.
5.
6.
Check that lubrication holes in each rocker arm
are clear.
Check that lubrication holes in rocker shaft are
clear.
Check spacers and washers for wear, replace
as necessary.
OVERHAUL
13
| Categories | Land Rover, Land Rover Defender, Land Rover Discovery |
|---|---|
| Tags | Land Rover |
| Model Year | 1997 |
| Download File |
|
| Document Type | Owners Manual |
| Language | English, German |
| Product Name | Discovery, Defender, Range Rover Gearbox |
| 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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