Warner Electric H420 - Manual (Page 6)

6 Warner Electric Europe • +33 (0)2 41 21 24 24 P-2067-WE • 2/13
723
357
515
7229 09
401
402
939
705
359 704 703 936 or 937
740
308 or 309
303
or304
6 Appendix
Size 90 to 12800 : VAR00
Size 150 to 1600 : VAR01
NO. Description
303
304
308
309
357
359
401
402
515
703
704
705
722
723
740
909
936
937
939
Steel outer disc
Stintered outer disc
Steel inner disc
Stintered inner disc
Flange
Closing plate
Cylinder
Piston
Hub
Cylinder Quad ring seal
Piston Quad ring seal
Flat ring
Back up ring piston
Back up ring cylinder
Spring
Locking screw
oil chang cap
Filling cap
Oil level cap
7 Troubleshooting
Troubleshooting
Problem Possible Causes Remedies
The brake does
not brake
• Brake under hydraulic pressure
• Manual release screw in position
• Disc worn or damaged
• Check the circuit control
• Remove the manual release screws
• Change the disc
The brake does
not release
• Piston seals worn or damaged
• No pressure
• No sufficient pressure
• Change the seals
• Check the hydraulic circuit and control
• Increase the pressure
09