Excavator Valve - Pressure Testing
Auxiliary Relief Valves - Using Hand Pump
The auxiliary relief valves found in the backhoe valve block
are identical in design to those found in the loader valve
block.
Therefore please refer to Loader Valve - Pressure Testing,
Auxiliary Relief Valves (ARV’s) for the correct pressure test
procedures.
To pressure test and re-set the auxiliary relief valves
(A.R.V.'s), service kit 892/00309 must be used.
The service kit comprises; a test block 1, a setting body 2
with adjusting pin 3, a special spanner 4, anti-cavitation lock
out bung 5. A.R.V. cartridge removal tool 892/00335
comprises; an extractor cap 6 and a 'C' washer 7.
23 - 9
Section E Hydraulics
9803/3280
Section E
23 - 9
Issue 1
Service Procedures
S196700
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