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RE 24851-B/06.09 | W.H; WM.H
Special tool for the manual override with valve type ..WPH...
Table 17:
Special tool
Valve type
For all types with manual override
Address for ordering accessories and valves
The addresses of our responsible sales companies can be found on the Internet at
http://www.boschrexroth.com and in section "16.2 Address directory" on page 39.
14
Troubleshooting
14.1
How to proceed for troubleshooting
Always work systematically and focused, even when under time pressure.
Random and imprudent disassembly and readjustment of settings can, in the
worst-case scenario, result in the inability to determine the original cause of
the fault.
First get a general idea of how your valve works in conjunction with the
entire system.
Try to find out whether the valve has worked properly in conjunction with the
entire system before the troubles occurred first.
Try to determine any changes of the entire system in which the valve
is integrated:
–
Were there any changes to the valve's operating conditions or
operating range?
–
Were there any changes (e.g. refittings) or repair works on the entire system
(machine/system, electrics, control) or on the valve? If so: What were they?
–
Was the valve or machine used as intended?
–
How did the malfunction become apparent?
Try to get a clear idea of the cause of the fault. Ask the direct (machine) op-
erator, if necessary.
Fault table
The valve is not susceptible to faults as long as the specified operating conditions
are complied with, in particular the oil quality.
Bosch Rexroth AG
Extension and conversion | Troubleshooting
Material no.
R900024943
37/40
Troubleshooting
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