Y-4
Y-4
Air Bleeding Procedure
31
WY05-3900E
7. Pilot circuit
(hydraulic pilot control valve)
[NOTICE]
Conditions
Engine speed : idling
PTO
: ON
Oil temperature : 50°C (122°F) or higher
1 Slewing
With the slewing brake being actuated, move the
slewing lever fully to the right slewing side. Keep
the above conditions for 30 seconds or more for
bleeding. Proceed on the same steps by moving
the slewing lever to the left slewing side.
2 Jib
(Jib tilt)
Mount the jib, then set the boom/jib operation
selector switch to the "Jib tilt" side.
Pull out the connector (CN100) of the AML vent
solenoid valve.
Move the telescoping lever fully to the jib tilt
lowering side. Keep the above conditions for 30
seconds or more for bleeding. Proceed on the
same steps by moving the telescoping lever to the
jib tilt raising side.
(Jib telescoping)
Mount the jib, then set the boom/jib operation
selector switch to the "Jib telescoping" side.
Pull out the connector (CN100) of the AML vent
solenoid valve.
Move the telescoping lever fully to the jib
retracting side. Keep the above conditions for 30
seconds or more for bleeding. Proceed on the
same steps by moving the telescoping lever to the
jib extending side.
3 Elevating
Pull out the connector (CN100) sof the AML vent
solenoid valve.
Move the elevating lever fully to the boom
lowering side. Keep the above conditions for 30
seconds or more for bleeding. Proceed on the
same steps by moving the elevating lever to the
boom raising side.
4 Telescoping
Set the boom/jib operation selector switch to the
"Boom telescoping" side.
Pull out the connector (CN100) of the AML vent
solenoid valve.
Move the telescoping lever fully to the retraction
side. Keep the above conditions for 30 seconds or
more for bleeding. Proceed on the same steps by
moving the telescoping lever to the boom
extension side.
5 Winch (main and auxiliary)
Pull out the connector (CN100) of the AML vent
solenoid valve.
Move the winch lever fully to the hoisting up side.
Keep the above conditions for 30 seconds or
more for bleeding. Proceed on the same steps by
moving the winch lever to the hoisting down side.
Detail A
Solenoid valve (for AML vent) (CN100)
Содержание GR-700N
Страница 1: ......
Страница 8: ...7 WA04 4651E 6 Group index System Diagrams Data Adjustment and Checks Y Z Y Z...
Страница 130: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 26 WZ07 3531E 2 Telescoping 3 342 115 30000 0 343 463 51500...
Страница 132: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 28 WZ07 3531E 5 Return 4 343 463 53000...
Страница 133: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 29 WZ07 3531E 6 Drain Detail A 5 343 463 55000...
Страница 134: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 30 WZ07 3531E 7 Gauge 0 343 463 56000...
Страница 135: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 31 WZ07 3531E 8 Pilot 3 343 463 57000...
Страница 139: ...35 WZ07 3531E Z 6 Z 6 Hydraulic Parts Location Diagram Upper 14 Jib main unit 2 343 463 43000...
Страница 143: ...39 WZ07 3541E Z 7 Z 7 Hydraulic Parts Location Diagram Lower 4 Center joint 8 346 416 64000 opposite side...
Страница 144: ...40 WZ07 3541E Z 7 Z 7 Hydraulic Parts Location Diagram Lower 5 Return Rear Front Front 2 346 416 65001...
Страница 150: ...46 WZ08 0510E Z 9 Z 9 Pneumatic Parts Location Diagram 2 Service brake related lower 5 349 229 90000...
Страница 151: ...47 WZ08 0510E Z 9 Z 9 Pneumatic Parts Location Diagram 3 Control parts lower 2 349 230 00000 2 349 230 02000...
Страница 193: ...89 WZ03 7090E Z 14 Z 14 View System 3 3 Cable B 0 343 818 40450...
Страница 199: ...95 WZ03 7090E Z 14 Z 14 View System 4 Screen selection switch 0 343 546 51800...