Hydraulic circuits crowd cylinder – Gradall 544 User Manual
Page 126
HYDRAULIC CIRCUITS
Crowd Cylinder
Starting Serial No. 8655105G
Original Issue 5-86
Revised 7-89
9-10
PCN L-8791
Item
Part No.
Qty.
Description Of Part
1
8820-1035
4
HEX HD CAPSCREW, 3/8-16X1, GR5
2
8855-1011
4
LOCKWASHER, 3/8
3
9104-6053
2
PIN
4
Ref
EXTENSION CROWD CYLINDER
ASSY (see page 10-3 for details)
5
8859-1205
2
O-RING
6
8866-2006
2
CONNECTOR (includes item 5)
7
8471-7495
2
HOSE ASSY
8
Ref
PUSH BEAM & CABLES (see page 3-
5 for details)
9
9040-3249
2
HOSE TAKE-UP WELDMENT
10
9020-0313
2
SPRING
11
9020-7041
2
SPRING RETAINER
12
8850-1008
2
HEX NUT, 1/2-13
13
8850-1108
2
HEAVY HEX JAM NUT, 1/2-13
14
9002-7180
2
BULKHEAD FITTING, 90 DEGREES
15
8866-2106
2
ELBOW, 90 DEGREES (swivel nut)
16
9105-3413
2
CUSHION CLAMP
17
8471-7500
1
HOSE ASSY
18
8471-7501
1
HOSE ASSY
19
8866-2020
1
CONNECTOR (includes item 20)
20
8859-1207
1
O-RING
21
8866-2067
1
ELBOW, 90 DEGREES (includes
o-ring)
22
8859-1207
1
O-RING
23
7713-3440
1
HOSE ASSY
24
9020-5792
1
CUSHION CLAMP
25
Ref
SOLENOID VALVE ASSY (see page
10-28 for details)
26
8866-2062
2
ELBOW, 90 DEGREES (includes item
27)
27
8859-1202
2
O-RING
28
9104-3112
1
TUBE ASSY
Item
Part No.
Qty.
Description Of Part
29
Ref
CROWD CYLINDER ASSY (see page
10-2 for details)
30
9104-3110
1
TUBE ASSY
31
9002-7906
2
ELBOW, 90 DEGREES
32
Ref
SOLENOID VALVE ASSY (see page
10-27 for details)
33
8866-2067
1
ELBOW, 90 DEGREES (includes item
34)
34
8859-1207
1
O-RING
35
9104-3232
1
COUNTERBALANCE VALVE ASSY
36
8859-1106
1
O-RING
37
8820-1072
4
HEX HD CAPSCREW, 1/2-13X2-3/4,
GR5
38
8856-1111
4
FLAT WASHER, 1/2
39
8866-2242
1
SWIVEL NUT RUN TEE
40
9104-3160
1
TUBE ASSY
41
9104-3111
1
TUBE ASSY
42
9020-0482
1
TUBE CLAMP
43
9104-1060
1
MOUNTING PLATE
44
8820-1035
1
HEX HD CAPSCREW, 3/8-16X1, GR5
45
8855-1011
1
LOCKWASHER, 3/8
46
8866-1308
1
UNION TEE, 3/4 TUBE
47
8471-7608
2
HOSE ASSY
48
9020-5792
2
CUSHION CLAMP
49
8866-2108
2
ELBOW, 90 DEGREES (swivel nut)
50
8866-2038
1
CONNECTOR (includes item 51)
51
8859-1207
2
O-RING
52
8866-2008
1
CONNECTOR (includes item 51)
53
Ref
MAIN CONTROL VALVE (see page
10-10 for details)
54
9002-8935
2
RETAINING RING
55
9020-7532
1
PIN