SHB 28Z3 EN – Edition 2.0 * 28z3s710.fm
7-15
Options
Retracting the stick ram
• The ram can be retracted as usual (always “free flow” towards the ram).
The built-in non-return valve safely holds the load in rest position.
Extending the stick ram
• Pilot control pressure moves valve (
2
) to work position (free oil flow to the base side).
• The valve moves back to home position if the pilot control pressure drops.
In addition, safety valve (
1
) protects the hydraulic rams from overload. Overload actuates
pressure switch (
4
), the warning device comes on and the buzzer sounds.
Notice!
The valve settings are sealed, no modifications for legal reasons!
Extending the stabiliser blade ram
The ram can be extended as usual (always “free flow” from the ram).
Retracting the stabiliser blade ram
Check valve (
8
) is controlled in parallel by the operating pressure (free oil flow to the base
side).
Diagram (from serial no. AG04828)
Stick
1
6
2
3
6
4
3
7
2
1
Stabiliser blade
8
Boom
1
2
3
4
5
6
6
1
2
3
4
5
7
7
7
5
5
8
Содержание 28Z3
Страница 1: ...Service Manual Track excavator Machine model 28Z3 Edition 2 0 Language en Article number 1000178347...
Страница 10: ...I 8 SHB 28Z3 EN Edition 2 0 28Z3s20IVZ fm...
Страница 11: ...Operation...
Страница 27: ...Specifications...
Страница 46: ...2 20 SHB 28Z3 EN Edition 2 0 28z3s210 fm Specifications...
Страница 47: ...Maintenance...
Страница 113: ...Engine...
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Страница 132: ...4 20 SHB 28Z3 EN Edition 2 0 28z3s410 fm Engine...
Страница 133: ...Hydraulic system...
Страница 169: ...bersicht der Hydraulikpl...
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Страница 175: ...Electrical system...
Страница 184: ...6 10 SHB 28Z3 EN Edition 2 0 28z3s610 fm Electrical system...
Страница 185: ...Die Stromlaufpl ne und K Optionen...
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Страница 189: ...SHB 28Z3 EN Edition 2 0 28z3s612 fm 6 15 Electricalsystem Electrical sys tem Wiring harnesses overview...
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Страница 200: ...6 26 SHB 28Z3 EN Edition 2 0 28z3s612 fm Electrical system...
Страница 201: ...Options...
Страница 204: ...7 4 SHB 28Z3 EN Edition 2 0 28z3s710 fm Options Installation...
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