Bosch Rexroth H-4WEH...XE Series - 10.6 Spare parts

Maintenance and repair 41/52
RE24751-XE-B/10.19, H-4WEH...XE..., BoschRexrothAG
10.4 Repair
WARNING
Explosion hazard caused by improper repair!
Improper repair will void the explosion protection!
▶ For repair works, the valve may only be disassembled to the extent described in
these operating instructions.
▶ Defective parts may only be replaced by new, interchangeable components in
original equipment quality.
10.5 Rectifying external leakages
External leakage at the valve connection surface can be rectified on site.
Otherleakages have to be rectified by specialists of the manufacturer.
10.5.1 Rectifying leakage at the valve connection surface
1. Remove the valve, seechapter11 "Disassembly and removal".
2. Inspect the contact surfaces for seal rings at the valve for cleanliness and
damage.
3. Inspect the seal rings and recesses on the connection flanges for cleanliness and
damage.
4. Dry the mounting surface and the contact surface using suitablecleaning
materials.
5. Assemble the new seals.
6. Re-assemble the valve at the contact surface, seechapter7 "Assembly".
10.6 Spare parts
Table 12: Replacement NBR seal kit for the valve connection surface
Valve type Material number
H-4WEH10... R961001132
H-4WEH16... R961001255
H-4WEH25... R961001257
H-4WEH32... R961001259
Table 13: Replacement FKM seal kit for the valve connection surface
Valve type Material number
H-4WEH10...V... R961001131
H-4WEH16...V... R961001256
H-4WEH25...V... R961001258
H-4WEH32...V... R961001260
Ensure the suitability of the sealing materials for the hydraulic fluid used!
See"Datasheet24751-XE".
NBR seal kit for the valve
connection surface
FKM seal kit for the valve
connection surface