Optimal 2500 - Page 10

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3.1.3 Valve Bank at the Digging Head (6 functions)
1) LH gate – open / close
2) root ball pad LH – up / down
3) root ball pad RH – up / down
4) RH gate – open / close
5) gate lock – unlock / lock
6) folding out spades – in / out
3.1.4 Valve Bank at the Digging Head (5 functions)
1) left spade rear – up / down
2) left spade front – up / down
3) right spade rear – up / down
4) right spade front – up / down
5) center spade – up / down