Pinguely-Haulotte HA20PX, Repair Manual

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CORRECTIVE MAINTENANCE SHEET
Folio 1/1
CHANGING THE STEERING CYLINDER
Sheet C087
Caution!
Ensure that the oil is not too
hot.
Caution!
Use a container to collect oil
to prevent pollution of the
environment.
Caution!
It is essential to put the
component in slings before
dismantling/re-assembling
it..
2 1
3
4
8 - Preliminary operations
• Put the machine in the maintenance configuration (see corresponding para-
graph).
• Switch off electric power (see corresponding paragraph).
9 - Removing the steering cylinder
• Open the upper cover of the chassis.
• Mark and disconnect the two hoses (2) of the steering cylinder (1).
NB: Unscrew the hoses slowly to release residual hydraulic pressure.
• Put caps on the hoses.
• Put the cylinder in slings.
• Remove the Nylstop nuts (4) then remove the two fastening pins (3) from the
steering cylinder.
• Remove the steering cylinder.
10 - Installing the steering cylinder
• Put a new steering cylinder into place.
• Put back the fastening pins and fix using new Nylstop nuts and washers.
• Reconnect the hydraulic hoses, according to the marks made during dismant-
ling.
• Check that there is sufficient oil in the hydraulic tank.
• Put the machine back into the operaitonal configuration.
• Make several steering movements to purge the hydraulic circuit.
• Check the level of the hydraulic oil tank.