17
WY02-2020E
Y-2
Y-2
Adjusting Pressure (Hydraulic Pressure)
2.2 Elevating
[NOTICE]
Oil temperature: 50 ± 5°C (122 ± 9°F) (Hydraulic oil: TADANO Hydraulic Oil LL)
When not described to use the pressure check port, check the main pump pressure display on the AML
display panel.
Shift the control lever or switch while the engine is idling, then increase engine speed.
Item
(Mark)
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa
kgf/cm
2
psi
Boom
lowering
(D)
5.5
+0.5
–
0
56
+5
–
0
800
+70
––
0
670
(IDL.)
1. Deactivate the elevation slow stop circuit. (*1)
2. Turn the PTO switch ON
3. Fully retract the elevating cylinder.
4. Move the elevating lever at its full stroke on the
lowering side.
5. In this state, check the pressure.
(*1): To deactivate the elevation slow stop circuit, disconnect the connector (CN125) (T1) of the elevation
proportional control valve. (After adjusting, connect the connector (CN125).)
Summary of Contents for GR-1600XL
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Page 8: ...7 WA04 5330E 6 Group index System Diagrams Data Adjustment and Checks Y Z Y Z ...
Page 28: ...14 WY02 2020E Y 2 Y 2 Adjusting Pressure Hydraulic Pressure ...
Page 30: ...16 WY02 2020E Y 2 Y 2 Adjusting Pressure Hydraulic Pressure ...
Page 33: ...19 WY02 2020E Y 2 Y 2 Adjusting Pressure Hydraulic Pressure ...