Y-4.
Y-4.
Air Bleeding Procedure
29
WY05-4181E
7. Positive control circuit
While any of the crane operations described in 6.
is performed, loosen the air-bleed plug near the
lower pump to bleed the positive control circuit.
You can bleed the circuit at the same time with
pilot circuit bleeding.
8. Hydraulic valve (winch brake)
[NOTICE]
Bleed this valve after the pilot circuit (hydraulic pilot
control valve) (See the section 6.) and the positive
control (See the section 7.) are bled.
Conditions
Engine speed : idling (700 min
-1
)
PTO
: ON
1. Open the air-bleed plug and move the winch lever
fully to the end of its stroke in the direction
corresponding to the plug.
2. When there are no more bubbles in the oil that flows
out, tighten the plug while the oil continues to flow.
△
0
345-809-42500
Содержание GR-300EX-3
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Страница 8: ...7 WA04 4880E 6 Group index System Diagrams Data Adjustment and Checks Y Z Y Z...
Страница 27: ...14 WY02 1792E Y 2 Y 2 Adjusting Pressure Hydraulic Pressure...
Страница 97: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 26 WZ07 3762E 5 Return 6 Drain 3 343 458 62000 1 343 465 03000...
Страница 98: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 27 WZ07 3762E 7 Gauge 3 343 450 35500...
Страница 99: ...Z 6 Z 6 Hydraulic Parts Location Diagram Upper 28 WZ07 3762E 8 Pilot 0 343 458 63000...
Страница 108: ...37 WZ08 0620E Z 9 Z 9 Pneumatic Parts Location Diagram 3 Control parts lower 1 349 233 11000 0 349 233 10000...