P.40
Operation step
Picture
11 Undo the pressure
switch
Undo the top cover
(methods as followed).
Pull out the plugs on the
pressure switch. Mind the
position of the plug to avoid
error during the following
assembly.
Loosen the pressure switch
hose clamp, and pull out the
hose from the pressure switch
interface.
Rotate the pressure switch
anticlockwise by 90º, and then
pull out the pressure switch.
12 Undo the pulley
Undo the back cover
(methods as followed).
Rotate the pulley and at
the same time pull out the belt,
and then remove the belt
Remove the screw on the
pulley and then take down the
pulley.
13 Undo the upper
counterweight
Undo the top cover
(methods as followed).
Remove three screws
fit on the upper counterweight
and then pull out the upper
counterweight
①
②
③
④
①
②
.
③
①
②
.
5.UNPACKING WAYS OF MAIN PARTS