Maintenance
07.00 | PHL | Assembly and Operating Manual | en | 389508
31
Ø
Carefully remove the preloaded spring assemblies on both sides.
Ø
During maintenance keep the preloaded spring assemblies in a
safe place where they are protected against dirt and external
loading.
Ø
Remove seals (31).
Ø
Unscrew screws (121).
Ø
Pull out cylinder pistons (4), making sure that the cylinder
running surface does not become damaged.
Screws - when disassembling the variant with gripping force maintenance
Size
[stroke length]
PHL 25
[30/45/60]
PHL 32
[40/60/80]
PHL 40
[50/75/100]
PHL 50
[60/90/120]
PHL 63
[80/120/160]
thread size/
strength class
M4 / 12.9
M4 / 12.9
M4 / 12.9
M6 / 12.9
M8 / 12.9
screw length
50
55
60
75
110
6.5 Servicing and assembling the module
Maintenance
• Clean all parts thoroughly and check for damage and wear.
• Treat all greased areas with lubricant.
Lubricants/Lubrication points (basic lubrication)
• Oil or grease bare external steel parts.
• Replace all seals.
– The seals are in the enclosed sealing kit.
Assembly
Position of the item numbers
Assembly takes place in the opposite order to disassembly.
Observe the following:
• Observe the installation position of the cylinder pistons (item 4)
and the covers (11).
• Make sure the seals and cylinder running surfaces the are not
damaged during pushing in the cylinder piston.
• Make sure that the cylinder piston is positioned in the centering
collar of the gear rack (120/121) when tightening the screw.
• Unless otherwise specified, secure all screws and nuts with
Loctite no. 243 and tighten with the appropriate tightening
torque.
6.5.1 Screw tightening torques
Position of the item numbers
Screw tightening torques
Item
PHL 25
PHL 32
PHL 40
PHL 50
PHL 63
Piston normal
120
5.9 Nm
17.4 Nm 30.0 Nm 71.0 Nm 120 Nm
Cover normal/GKS
122,133
1.27 Nm 2.5 Nm
3.5 Nm
10.1 Nm 24.6 Nm
Chain guide
123,124
1.27 Nm 5.9 Nm
5.9 Nm
5.9 Nm
10.1 Nm
Actuator
125
1.27 Nm 3.0 Nm
5.9 Nm
10.1 Nm 10.1 Nm
Bridge
126
1.27 Nm 3.0 Nm
5.9 Nm
5.9 Nm
10.1 Nm
Fastening cover sheet
129
1.27 Nm 1.27 Nm 1.27 Nm 1.27 Nm 1.27 Nm