Sakai R2-4, Shop Manual

Page: 146 / 234

9-006
INSPECTION AND ADJUSTMENT
4. MEASUREMENT OF PROPULSION SERVO CIRCUIT
PRESSURE
4-1. Measurement
Oil temperature during measurement : 50
± 5
°C (122
± 9
°F)
①
Disconnect hoses (1) and (2) from propulsion pump.
Attach pressure gauge through adapter
ⓜ
.
Adapter
ⓜ
: G1/4
Pressure gauge : 0 to 5 MPa (0 to 725 psi)
②
Confirm that F-R lever is “N”.
③
Apply parking brake by pressing parking brake switch
button.
④
Start the engine and set throttle lever to “FULL”.
⑤
Operate F-R lever and then read pressure indicated by
pressure gauge.
with parking brake applied (ON), measured pressures
of (1) and (2) are same.
with parking brake released (OFF), measured
pressures of (1) and (2) are different.
Standard charge relief pressure setting
: 2.4
± 0.2
MPa (348
± 29
psi)
•
•
•
•
•
★
R2-4-09005
1
2
R2-4-09005
1
2
m
PG002002
m
PG002002