Sakai SV410-2, Shop Manual

Page: 184 / 270

8-012
INSPECTION AND ADJUSTMENT
7-2. Inspection
If measurement results indicate the pressure deviating from
maximum circuit pressure range, make an inspection in
accordance with procedure described below.
①
Remove plug and high pressure relief valve (2-1) or (2-5)
of vibrator pump.
High pressure relief valve (Low amplitude) : (2-5)
High pressure relief valve ( High amplitude) : (2-1)
②
Check removed high pressure relief valve for trapped dirt
and other abnormalities.
③
If trapped dirt is present, disassemble and clean high
pressure relief valve.
④
If pressure still deviates from maximum circuit pressure
range after valve is disassembled and cleaned, replace
high pressure relief valve.
⑤
After inspection, measure pressure again and check that
pressure reaches maximum circuit pressure range.
N•m
Plug : 40 N·m (30 lbf·ft)
(NOTICE)
Carefully disassemble and reassemble after taking
steps to prevent foreign material from getting in.
The numbers “2-1” and “2-5” appearing in above illustrations are consistent with lead line numbers shown in
illustration of vibrator pump in “2-2. Hydraulic Component Specifications” (page 4-007).
•
•
•
•
•
SV410-2-08005
2-1
2-5
SV410-2-08005
2-1
2-5
SV412-08024
Plug
High pressure
relief valve
SV412-08024
Plug
High pressure
relief valve