2
OPERATION No MA. 02 :
I!‘orki//g OI/ hyc/rt/t/lic s\,s/vN/.
5. PRECAUTIONS TO BE TAKEN BEFORE WORKING ON THE HYDRAULIC SYSTEM :
a)
(.~rvJuI/)~
CIVOII the area of work, the unions and the unit to be removed
Disconnect the lead from the negative terminal of the battery
Only use petrol or lead-free petrol for cleaning.
b ) I~~J/VNSO
the /)twsure
in the circuits
- Place the vehicle in the G /arc B
position.
stop the engine.
- Slacken the Pressure Requlator release screw.
Wait until the front of the car has reached the low position
6, PRECAUTIONS TO BE TAKEN DURING REMOVAL :
a)
t3lnuk
o!!
the w~~tnl pi/~es
with plugs, and rubber tubes with round pins of the correct diameter
b)
t3lmk
of/ //IV
op,c,/li,lg.s
of components with pluqs of the correct diameter
NOTE : Plugs and pins must be carefully cleaned before insertion.
7.. CHECK OR TEST OF HYDRAULIC UNITS :
- Use 3654-T t~sf hc~~c-h equipped and designed for use with LHM fluid
This bench is
/)ciitltc’d
~IY’~‘~/ and its accessories are marked in green.
- Never use the bench with another fluid or for testing components operating with another fluid (units of a (( D ))
car using LHS2 for instance ).
NOTE The (< Le Bozec )) pump used on test benches for checking DIESEL injectors can be resorted to for
testing components operating with LHM mineral fluid provided that the bench is cleaned first.
8. PRECAUTIONS TO BE TAKEN DURING REFITTING :
E steel pipes must be blown through with compressed air,
5 rubber tubes and joints must be washed in petrol or white spirit and then dried with compressed air,
= hydraulic units must also be cleaned with petrol or white spirit and blown through with compressed air.
NOTE Renew all joints and seals during refittinq .
b
) 12rlbrijicntim :
- Follow the indications as stated in the operations in the Manual..
- Joints and internal parts must be liqhtly oiled hefore fitting ( use mineral fluid LHM only )
L If parts in contact with hydraulic units have to be qreased use a mineral grease only ( as employed for
Cardan shafts or bearings ).
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