STILLE 530-1700, Служебное и техническое руководство, Страница: 33 / 80

33 Stille imagiQ2
TM
service manual Technical
Technic
al
To replace Brake valve
1) If possible place the table in position for service according to instruction,
minimum try to elevate the table top to the highest position, lock the wheels.
2) Remove the column covers first, then remove the emergency cover and
the front cover and then the protective plates under the covers to get access to the
hydraulic pump unit.
3) Perform a hydraulic and electric LoTo according to the instruction to remove
any stored energy in the system.
4) The Brake valve assy is mounted abowe the hand control connections.
5) Place some paper towels under the hoses and then carefully untighten the
hoses, some amount of oil will come from the hoses, wait until it stops (a couple of
seconds) if oil with high pressure is flowing from the hoses, check that the LoTo is
correct performed.
6) The unit is attached to the frame with 2 screws, remove the screws and the
electrical cable.
7) All washers must be replaced and tighten with the correct torque (12Nm) all
other connectors shall be tightened finger tight and then minimum 3/4 turns.
8) Reinstall all parts and restore the power according to the LoTo procedure.