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 p ressure t est and re- set t he 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 b ung
5
. A.R.V. c art rid ge removal t ool 892/ 00335
comprises; an extractor cap
6
and a 'C' washer
7
.
23 - 9
Section E
9803/3280
Section E
23 - 9
Issue 1
Service Procedures
S196700
1
2
7
6
4
5
3