M4 Family: M4-15-2X RE 64 283 RA 64 283
Pressure Max. Flow Inlet
5000 psi (350 (350 bar) (pump) 6100 psi (420 (420 bar) (actuator) 53 GPM (200 (200 l/min) (standard) 79 GPM (300 (300 l/min) (central)
Max. Flow Section 50 GPM (190 (190 l/min) (w/ pressure Compensator , w/o load hold check)
New:
same covers like M4-12 Adapter plate M4-12/15
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 230106
M4-1 M4 -15 5 Ser Serie ie 2X
El.-Hydr. Pilot Valves w/ Deutsch or AMP Connector
Main Spool ∅18 (interchangeable)
Shock / Anti Cav.Valve
Deckel A
Pilot Cover B w/ Stroke Limiter
Deckel B
Load Check Function Pressure Compensator
LS-Pressure Relief Valves (A/B)
LS-Check Valve
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 230106
M4-15 M4-15 Explod Exploded ed Veiw Veiw
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 Specials Specials 230106 230106
M4-15 M4-15 Cross Cross Secti Sectiona onall Veiw
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 Specials Specials 230106 230106
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 50 ± 0.3 0.3 Nm 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.
LS Pressure Relief Valves
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) or LS pressure relief valve (item 705c)
“A” “A” Si Side de End End Cove Coverr Cover for electro-hydraulic electro-hydraulic operation (item 300b): Install the pilot control valves (item 720) Tightening torque Mt = 10 + 5 Nm Example: „b“ = with with plug screw (item 721) 721) „a“ = with with FTWE FTWE (item (item 720) 720)
Mount the cover (item 300) Tightening torque Mt for socket head screws M5 (item 302) 302) = 6 ± 0.3 Nm Nm M6 (item 301) 301) = 10 ± 0.5 Nm 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.
“B” “B” Si Side de End End Cove Coverr
The spring plate must be pressed into the spring.
Tightening torque Mt = 6 ± 0.3 0.3 Nm 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 4.5 Nm 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.
Secondary relief valve Tightening torque Mt = 90 ± 10 Nm Nm
Thank you for your attention. Charles Back Application Application Manager Manager – Heavy Construction Bosch Rexroth Corporation Mobile Hydraulics 1683 Enterprise Parkway Wooster, Ohio 44691 Phone 330-263-3463 Fax 330-263-3330 E-ma E-mail il cha charle rles.bac .back@ k@b boschre chrex xroth roth-u -us. s.co com m
