Embed Size (px)
Citation preview
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Pressure 5000 psi (350 bar) (pump)
6100 psi (420 bar) (actuator)
Max. Flow Inlet 53 GPM (200 l/min) (standard)79 GPM (300 l/min) (central)
Max. Flow Section 50 GPM (190 l/min)
(w/ pressure Compensator , w/o load hold check)
New:
� same covers like M4-12
� Adapter plate M4-12/15
M4 Family: M4-15-2X
M4-15 230106
RE 64 283RA 64 283
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Deckel BDeckel A
M4-15 Serie 2X
Pilot Cover Bw/ Stroke Limiter
Main Spool ∅18(interchangeable)
Shock / Anti Cav.Valve
El.-Hydr. Pilot Valves
w/ Deutsch or AMPConnector
Load CheckFunction
Pressure Compensator
LS-CheckValve
LS-Pressure Relief Valves (A/B)
M4-15 230106
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
M4-15 Exploded Veiw
M4 Specials 230106
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
M4-15 Cross Sectional Veiw
M4 Specials 230106
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Directional Valve Element
Assembly of pressure compensator
Pressure compensator spool (item 101.1)
With washer (item 101.2) and spring
(item 101.3)
Tightening torque Mt for plug
= 50 ± 0.3 Nm
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Main Spool
Glue in plug screw (item 501) in main spool (item 750) using Loctite
243
Screw in the plug screw
Tightening torque Mt = 8 + 0.8 Nm
The plug screw must not protrude after assembly!
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
The cavity for the LS
pressure relief valves
must always be closed.
If no LS pressure relief
valve is used, fit a plug.
Tightening torque Mt = 20 ±1 Nm
Plug screw (item 705b)
orLS pressure relief valve
(item 705c)
LS Pressure Relief Valves
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
“A” Side End Cover
Cover for electro-hydraulic
operation (item 300b):
Install the pilot control valves (item
720)
Tightening torque Mt = 10 + 5 Nm
Example:
„b“ = with plug screw (item 721)
„a“ = with FTWE (item 720)
Mount the cover (item 300)
Tightening torque Mt for
socket head screws
M5 (item 302) = 6 ± 0.3 Nm
M6 (item 301) = 10 ± 0.5 Nm
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
The spring plate must be
pressed into the spring.
“B” Side End Cover
Tightening torque Mt = 6 ± 0.3 Nm
Hydraulics
© All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Port Option Installation
Port option plug
Tightening torque Mt =
90 ± 4.5 Nm
Secondary relief valve
Tightening torque Mt =
90 ± 10 Nm
Thank you for your attention.
Charles BackApplication Manager – Heavy Construction
Bosch Rexroth Corporation
Mobile Hydraulics1683 Enterprise ParkwayWooster, Ohio 44691
Phone 330-263-3463Fax 330-263-3330E-mail [email protected]
