Specifications

MAINTENANCE
GENERAL MAINTENANCE AND ADJUSTMENT
This second part of the maintenance section covers
adjustments and items of general maintenance
as
dictated by the ‘Maintenance Schedules’. However,
only maintenance operations that are not included in
the Overhaul Sections of the manual appear in this
section.
EXAMINE AND RENEW FRONT BRAKE FRICTION
PADS
Examine the friction pads for wear and if less than
3 mm (0.125 in) thick or oil contaminated, they must
be renewed
on both wheels at the same time, as
follows:
NOTE: See Book 4 Section 70 for latest method of
friction pad retension.
.
l.+Slackcn both front wheel nuts and jack - up the
vehicle and lower onto axle stands, and remove
whecls.
2. Clean the exterior of the calipers.
3. Remove the split pins from the brake caliper.
4. Remove the retaining springs.
5. Withdraw the friction pads.
6. Clean the exposed parts of the pistons, using only
new brake fluid.
7. Using piston clamp 186672 press each piston
back
into its bore, whilst ensuring that the displaced
brake fluid does not overflow from the reservoir.
8. Smear the faces of the pistons with Lockheed disc
brake lubricant taking
care not to !et any reach the
lining material.
9. Insert the new friction pads.
10. Place the friction pad retaining springs in position
11. Apply the footbrake several times to locate the
12. Check the fluid reservoir and top - up if necessary.
8
and fit new split pins and splay the ends.
pads.
13. Fit the road wheels, lower the vehicle and finally
tighten the wheel retaining nuts.
CLEAN AND CHECK AXLE BREATHERS - ball
valve type
(where fitted)
1. Clcan the outside of the breather and unscrew from
the axle tube.
2. Wash the breather in petrol and shake to ensure
that the ball valve is free.
3. Lubricate the ball with engine oil and refit to axle
tube.
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Remote axle breathers - where fitted
Pipes attached to the breathers
on the axles terminate
at pifits iiiside the chassis members oil eariy muueis
and into the engine compartment on later vehicles. This
allows the axles
to breath whilst the vehicle is traversing
mud and water.
No maintenance is required except to
ensure that the pipe: do not become blocked, kinked,
or split, or damaged in any other way to prevent proper
breathing.
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