20
WY02-1792E
Y-2
Y-2
Adjusting Pressure (Hydraulic Pressure)
2.7 Lower pilot pressure
[NOTICE]
Oil temperature: 50±5°C (113 - 131°F) (Hydraulic oil: TADANO Hydraulic Oil LL)
Item
(Mark)
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa
kgf/cm
2
psi
Lower pilot
pressure
(J)
3.4±0.5
35±5
500±70
700
(IDL.)
1. Connect a pressure gauge to the pressure
check port (J).
2. Fully extend the jack cylinders while the
engine is idling.
3. In this state, check the pressure by the
pressure gauge.
Summary of Contents for GR-300EX-3
Page 1: ......
Page 8: ...7 WA04 4880E 6 Group index System Diagrams Data Adjustment and Checks Y Z Y Z...
Page 27: ...14 WY02 1792E Y 2 Y 2 Adjusting Pressure Hydraulic Pressure...
Page 98: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 27 WZ07 3762E 7 Gauge 3 343 450 35500...
Page 99: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 28 WZ07 3762E 8 Pilot 0 343 458 63000...
