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(Subject: KWT 650 E/EP, Camel 900 and Camel 900 EP)
Geared pumps power two independent circuits: machine's drive circuit with capacity of 50 l/min
and hydraulic cylinders' drive circuit with capacity of 11 l/min (22 l/min. - EP). In machine's drive
circuits wires have ∅16 mm diameter, while in cylinders' control circuit ∅10 mm. Control of oil
circulation is possible owing to hydraulic distributors (3, 6). Oil tank (4) of adequate capacity. In
arm-type mower's hydraulic engine's drive circuit there is suction oil filter (5) with capacity of 70
l/min. On gauge plate cylinder (8) there is sweep valve (7) mounted to protect the mower's arms from
overloading (Fig. 22) Hydraulic cylinders (9-12) with throttle choke valves (13) control the arm.
9
12
11
10
7
13
8
1. Hydraulic pumps
2. Hydraulic pump engine
3. 5-section divider
4. Oil tank
5. Suction filter
6. Single-section distributor
7. Sweep valve
Operator's manual
Fig. 22. Diagram of proportional hydraulic drive of the arm
3
6
8. Gauge plate cylinder
9. Hydraulic cylinder of cutting unit
10. Hydraulic cylinder of arm extension
11. External arm cylinder
12. Internal arm cylinder
13. Throttle check valve
14. Cooler
- 19 -
Arm
Flail head
2
14
4
5
1
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