H
THE
REAR SUSPENSION
•
To check and adjust pressures
(1) Ensure that the car is resting on all four wheels and
that the load condition
is
as described above.
(2) Use Service equipment 18G
703
and fit the black
connector with the knurled knob unscrewed. Close
valve
2 (black valve) and open the bleed valve.
Use the pressure pump until air
is
evacuated from
the connection tube and fluid appears. Close the
bleed valve, operate the pressure pump until the
working pressure
is
reached (see 'GENERAL
DATA'), and then screw in the knurled knob.
If
the pressure reading
is
low, operate the pressure
pump until
th~
oorrect working pressure is reached
(see 'GENERAL DATA').
If
the pressure gauge
reading is high, adjust to the correct working pres-
sure by opening valve
2 (black valve). When the
pressure reading
is
correct unscrew the knurled
knob, open valve
2 (black valve), and remove the
black connector. Replace the sealing plug in the
black connector and the pressure dust cap on the
suspension unit inter-connecting pipe valve.
(3) A check can also be made on the suspension pres-
sure, using Service tool 18G 685. The tool must
first be adjusted in the following manner. Connect
the pump
to
a pressure gauge fitted with a Schrader
valve from which the core has been removed. Fill
the tool with Hydrolastic fluid
and
operate the
handlever
of
the tool, noting the pressure registered
on the gauge. Adjust the valve seat until the work-
ing pressure
of
the system
is
registered on the gauge
(see 'GENERAL DATA'). Tighten the lock screw
and replace the washer and screw.
Fit the connector to the suspension unit inter-
connecting valve and operate the hand lever until
the relief valve in the tool commences
to
operate.
The suspension will now be at its correct working
pressure.
Checking
wing
h~ights
(4) Ensure
that
theload condition
is
as described above.
(5) Measure the wing heights as illustrated.
NOTE.-8hould
the Hydrolastic suspension system
suffer damage and the
fluid
be lost, the suspension arms
on
the damaged side of the vehicle will contact the
bump
rubbers
at
both front and rear.
In
this condition the car
may be driven with complete safety at 30 m.p.h. (50
km.p.h.) over metalled roads.
Section H.IO
(2)
Remove the road wheel
and
release the helper
•.
spring from the radius arm. . -
(3)
Raise the vehicle and support it beneath the sub-
frame side-member.
(4) Disconnect the brake hose from the radius arm.
(5)
Disconnect the hand brake cable
and
release the
cable sector from the arm.
(6)
Remove the bump rubber from the sub-frame and
the end finisher from the sill panel.
(7)
Remove the displacer strut.
(8)
Remove the nut
and
washers from the arm pivot
shaft and the four set screws
to
release the outer
bracket.
(9) Lift the radius arm assembly away from the vehicle,
taking care
not
to lose the thrust washers and
rubber
~seal
fitted between the
arm
and
the sub-
frame side-member.
Dismantling is described in Section H.2.
Refitting
(10) Reverse the removing instructions.
(11) Lubricate the strut ball end
and
the nylon seas
with Dextragrease Super G.P.
and
make sure the
dust seal is fitted over the lip
of
the nylon cup.
(12) Bleed the hydraulic brake system.
(13)
Pressurize the Hydrolastic system (see Section H.7).
Section
H.II
SUB-FRAME
(Hydrolastic Suspension)
Remove and refit the sub-frame as in Section H.1,
with the following additional operations: •
(l)
Depressurize and evacuate the Hydrolastic system
prior
to
any dismantling, follow the instructions
in Section H.
7.
(2) Disconnect both helper springs from the radius
arms.
(3)
Disconnect the pressure valves from the sub-frame.
(4) Evacuate
and
re-pressurize the Hydrolastic system
when reassembly is complete, following the
instructions in Section H.7.
Section H.12
RADIUS ARMS
(Hydrolastic Suspension)
Removing
(1) Depressurize the Hydrolastic system
(see
Section
H.7).
H.8
SUB-FRAME
(Moke)
Remove and refit the sub-frame as in Section
H.l
with
the following exceptions:
Fuel tank and pump removal not necessary.
MINI. Issue
1.
4908
•
mk1-performance-conversions.co.uk
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