No. 

Part Name

Part No.

Qty. 

No. 

Part Name

Part No.

Qty. 

1 

Support assembly, quick change coupler

SZ804.56.024-1

1 

12 

Bolt    M10×1.5×55

GB/T5785-2000

2 

2 

Pin 3.2×22

GB 91-85

1 

13 

Nut    M10×1.25-Zn.D

GB889.2-86

2 

3 

Washer 12

GB/T97.1-2002

1 

14 

Connecting pin (UPR), lift link (LH

& RH)

5130643/1.89.657 

2 

4 

Stop spring, diagonal-brace hook

5140549/1.82.067 

1 

15 

Lift link assembly

SZ804.56.013-2

2 

5 

Hook unit, rod (UPR)

SZ804.56.026 

1 

15.1 

Clevis (UPR), lift link

SZ804.56.114A 

2 

6 

Connecting pin assembly (FR), rod

(UPR) 

5120672/1.89.669 

1 

15.2 

Connecting pin (UPR), lift link (LH

& RH)

5130643/1.89.657 

2 

7 

Split pin

44007661/1.82.945 

5 

15.3 

Clevis (MID), lift link

SZ804.56.104 

2 

8 

Link assembly (UPR)

SZ804.56.011 

1 

15.4 

Nut    M30-Zn·D

GB/T6170-2000

2 

8.1 

Screw assembly (FR), rod (UPR)

5143009/1.89.661A 

1 

15.5 

Adjustment screw tube assembly,

lift link

SZ804.56.016 

2 

8.2 

Nut    M30-Zn.D

GB/T6170-2000

1 

15.6 

Clevis assembly (LWR), lift link

SZ804.56.038 

2 

8.3 

Adjustment screw tube assembly, link

(UPR) 

LX804F.56.017 

1 

8.4 

Screw assembly (RR), link (UPR)

5143010/1.89.662A 

1 

9 

Pin (RR), upper link

822483/1.82.967 

1 

10 

Lock pin assmbly

4967704/1.82.941A 

1

11 

Link assembly (LWR, RH)

SZ804.56.031 

1 

11.1 

Link assembly (LWR, LH)

SZ804.56.030 

1 

No. 

Part Name

Part No.

Qty. 

No. 

Part Name

Part No.

Qty. 

1 

Support, limit link

SZ804.56.118 

2 

2 

Bolt    M18×1.5×50-Zn·D

GB/T5786-2000

6 

3 

Pin (FR), limit link

5125861/1.89.955 

2 

4 

Pin 6.3×40

GB91-86

4 

5 

Limit link assembly

SZ804.56.014 

2 

5.1 

Section assembly (FR), limit

link 

5103858/1.89.950A 

2 

5.2 

Pin (FR), limit link

5103862/1.89.959A 

2 

5.3 

Sleeve assembly, limit rod

SZ804.56.015 

2 

5.4 

Pin (RR), limit link

5103861/1.89.956 

2 

5.5 

Section (RR), limit link

5103856/1.89.951 

2 

5.6 

Pin unit (RR), limit rod

5123274/1.89.958A 

2 

6 

Lock pin

567406/1.82.945 

2 

7 

Washer 28.5×45×4, pin

(LWR), lift link

562106/1.89.962 

2 

No. 

Part Name

Part No.

Qty. 

No. 

Part Name

Part No.

Qty. 

Distributor assembly

SZ804.57B.001 

1 

20 

Adjusting knob, control valve, lowering speed

5120798/1.82.476 

1 

1 

Head, handle, lever, sensitivity adjustment

5120762/1.82.433 

1 

21 

Nut    M10×1.25

6173-86

1 

2 

Positioning spring

5120761/1.82.431 

1 

22 

Retainer ring

GB 5117726/1.82.454

2 

3 

Steel ball 7.938

GB 308-84

1 

23 

Main control valve assembly

5117723/1.82.446A 

1 

4

Lever, sensitivity adjustment

5117736/1.82.438 

1 

24 

Bolt    M12×1.25×20

14360524/10356 

1 

5 

Plug, sensitivity adjustment

5120760/1.82.437 

1 

25 

Seal washer 12

JB 1002-77

1 

6 

Seal washer 22×28×1

JB 1002-77

1 

26 

Pin, sensitivity adjustment

5117735/1.82.436 

1 

7 

Sector plate, adjusting handle

5120763/1.82.435 

1 

27 

Cylindrical pin 3×16

14161770/12213 

1 

8 

O-ring26.5×1.8

GB/T3452.1-2000

1 

28 

O-ring8.75×1.8

GB/T3452.1-2000

1 

9 

Sensitivity control valve

5117731/1.82.471A 

1 

29 

Plug M6

10269150/14545 

3 

10 

Retainer ring 12

13420376/12248 

1 

30 

Plug M10

10269350/14545 

2 

11 

Spring washer

5122030/1.2.494 

1 

31 

Distributor housing unit with oil return valve

5117743/1.82.401A 

1 

12 

Spring, pilot valve

5115469/1.82.497 

1 

32 

Spring , return valve

5117729/1.82.448 

1 

13 

O-ring30×2.65

GB/T3452.1-2000

1 

33 

Screw plug, return valve

5117734/1.82.455 

1 

14 

Plug, valve, sensitivity adjustment

5122029/1.82.493 

1 

34 

Adjusting screw, control valve, lowering speed

5117741/1.82.474 

1 

15 

Spring, main control valve

4973361/1.82.444 

1 

35 

O-ring6.9×1.8

GB/T3452.1-2000

1 

16 

Seat, main control valve

5117725/1.82.490 

1 

36 

Retainer ring

5120771/1.82.479 

1 

17 

O-ring25×1.8

GB/T3452.1-2000

1 

18 

Pilot valve

5117732/1.82.492 

1 

19 

O-sealing ring 17×2.65

GB/T3452.1-2000

5 

No. 

Part Name

Part No.

Qty. 

No. 

Part Name

Part No.

Qty. 

37 

Steel ball 3/16in

GB 308-84

1 

45 

Support (UPR), one-way

valve 

5148907/1.82.432 

1 

38 

Cylindrical pin 4×14

14163670/12213 

1 

46 

Seat, one-way valve

4951476/1.82.464 

1 

39 

Control valve, lowering speed

5120770/1.82.472 

1 

47 

Spring 

44018852/1.80.766 

1 

40 

Spring 

596854/1.29.641 

1 

48 

Support (LWR), one-way

valve 

5148905/1.82.432A 

1 

41 

Relief valve assembly

5117739/1.82.451 

1 

49 

Steel ball 17/32in

GB 308-84

1 

42 

Bolt    M8×1.25×30-Zn

GB/T5783-2000

4 

50 

O-ring20×2.65

GB/T3452.1-2000

1 

43 

Washer 8

GB/T7244-1987

4 

51 

Retainer ring

4958830/1.82.429 

1 

44 

O-ring20×2.65

GB/T3452.1-2000

2 

52 

Oil outlet joint, one-way

valve 

5131278/1.82.430 

1