77-355 Remove/Install Hydraulic Cylinders For Top Actuation
77-355 Removal And Installation Of Hydraulic Cylinders For Top Actuation
Special Tools:
Removal
1 Position top.
2 Remove bolt on top cylinder and press piston rod all the way in.
3 Remove hydraulic lines (a, b).
Attention: The hydraulic lines and connections on the must hydraulic cylinder be plugged immediately with plugs part no. 129 589 00 91 07 and part no. 129 589 00 91 11 respectively.
4 Screw out screw.
5 Remove hydraulic cylinder.
1. Ausf�hrung (Innensechskant)
2. Ausf�hrung (Auensechskant)
Installation
NOTE: When the hydraulic cylinder is replaced install water drain cuff on new cylinder.
6 Insert hydraulic cylinder and screw in screw.
Attention: Bolt (internal hexagon) must be screwed in with screw locking compound (30 3 Nm). Screw in bolt (external hexagon)without screw locking compound (90 5 Nm).
7 Install hydraulic lines (a, b).
8 Pull piston rod up with hook (self-made).
9 Center piston rod with special tool 129 589 04 21 00 and install bolt.
10 Check for proper function and leakage.