Sakai SV540 Series, Shop Manual

Page: 195 / 306

8-015
INSPECTION AND ADJUSTMENT
8. MEASUREMENT OF VIBRATOR HIGH/LOw CHANGE
CIRCUIT PRESSURE
8-1. Measurement
Oil temperature during measurement : 50
± 5
°C (122
± 9
°F)
①
Remove plugs from servo pressure gauge ports (2-4) and
(2-12). Attach pressure gauge with the adapter
ⓗ
.
Adapter
ⓗ
: 9/16-18UNF
Servo pressure gauge port (High) : (2-12)
Servo pressure gauge port (Low) : (2-4)
Pressure gauge
: 0 to 5 MPa
(0 to 725 psi)
②
Apply parking brake by pressing parking brake switch
button.
③
Start the engine and set throttle switch to “FULL”.
④
Set vibration select switch and then read pressure
indicated by pressure gauge.
With vibration select switch is in “ ”, measured
pressures of (2-4) and (2-12) are same.
With vibration select switch is in “ ” or “
”,
measured pressures of (2-4) and (2-12) are different.
Standard charge relief valve setting
: 2.4
± 0.2
MPa (348
± 29
psi)
The number “2-4” and “2-12” appearing in above illustrations is consistent with lead line numbers shown in
illustration of propulsion pump in “2-2. Hydraulic Component Specifications” (page 4-007).
•
•
•
•
•
•
•
★
•
SV520-08008
2-12 2-4
SV520-08008
2-12 2-4
h
PG001014
h
PG001014