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6-2
T
M
P
2A
2B
3A
3B
4A
4B
1A
LS
EF
CF
P
9
8
6
5
2
1
10
7
Steering system
Return line
LIFT
11
Load check valve
22B7HS02
WHEN THE LIFT CONTROL LEVER IS IN THE LIFT POSITION
1)
When the lift control lever is pulled back, the spool on the first block is moves to lift position.
The oil from hydraulic gear pump(1) flows into main control valve(2) and then goes to the large
chamber of lift cylinder(6) by pushing the load check valve of the spool.
The oil from the small chamber of lift cylinder(6) returns to hydraulic oil tank(11) at the same time.
When this happens, the forks go up.