Hydraulic circuits oil supply & pressure lines – Gradall 544B Parts Manual User Manual
Page 82
HYDRAULIC CIRCUITS
Oil Supply & Pressure Lines
Starting Serial No. 0155299S
Original Issue 3-90
Revised 10-92
9-2
Item
Part No.
Qty.
Description Of Part
1
Ref
OIL RESERVOIR ASSY (see page
10-26 for details)
2
9103-3257
1
ELBOW
3
8866-2110
1
ELBOW - 90 DEGREES (swivel nut)
4
7713-3875
1
HOSE ASSY
5
9002-8720
2
HOSE CLAMP
6
9103-3125
1
SUCTION HOSE
7
Ref
MAIN HYDRAULIC PUMP (see page
5-1, 5-2 and 10-22 for details)
8
8866-1366
1
HEX CAP, 5/8 TUBE
9
8866-2069
1
ELBOW - 90 DEGREES (includes
item 10)
10
8859-1209
1
O-RING
11
9020-7690
1
TUBE ASSY
12
Ref
PRIORITY FLOW CONTROL VALVE
(see page 10-11 for details)
13
8859-1209
1
O-RING
14
8866-2010
1
CONNECTOR (includes item 13)
15
9002-2045
2
HOSE ASSY
16
9020-5792
1
CLAMP ASSY
17
9103-3069
1
TUBE ASSY
18
9020-0481
2
CLAMP
19
8820-1033
2
HEX HD CAPSCREW, 3/8-16X3/4,
GR5
20
9002-2045
1
HOSE ASSY
21
Ref
PILOT PUMP ASSY (see page 10-23
for details)
22
8859-1206
1
O-RING
23
8866-2024
1
CONNECTOR (includes item 22)
24
8866-2027
1
STRAIGHT CONNECTOR (includes
item 25)
25
8859-1207
1
O-RING
26
8859-1210
1
O-RING
27
8471-6251
1
HOSE ASSY
28
Ref
FORWARD-REVERSE CONTROL
VALVE (see page 10-12 for details)
29
8859-1210
1
O-RING
30
8866-2028
1
CONNECTOR (includes item 26)
31
8866-2124
1
ELBOW - 45 DEGREES (swivel nut)
32
8866-2110
1
ELBOW - 90 DEGREES (swivel nut)
33
8866-2011
1
CONNECTOR (includes item 29)
34
9103-3142
1
ELBOW
35
9002-8482
4
HOSE CLAMP
36
9104-3153
1
HOSE
37
9002-2045
1
HOSE ASSY
38
9020-5783
1
TUBE ASSY
39
8866-2011
1
CONNECTOR (includes item 40)
40
8859-1210
1
O-RING
Item
Part No.
Qty.
Description Of Part
41
8325-1262
1
REDUCER
42
8866-2070
1
ELBOW - 90 DEGREES (includes
item 43)
43
8859-1210
1
O-RING
44
Ref
MAIN CONTROL VALVE (see page
10-10 for details)
45
Ref
SOLENOID VALVE (see page 10-14
for details)
46
8852-1304
2
HEX LOCKNUT, 1/4-20
47
8856-1107
2
FLAT WASHER, 1/4
48
9020-7719
1
JUMPER WIRE
49
9104-1557
1
MOUNTING PLATE
50
8874-3003
1
MALE ADAPTER, 3/8X1/2, GR5
51
8471-7468
1
HOSE ASSY
52
8820-1009
2
HEX HD CAPSCREW, 1/4-20X2, GR5
53
8871-1381
1
REDUCING BUSHING, 3/8X1/4
54
8874-3042
1
MALE ELBOW, 90 DEGREES
1/4X5/16 TUBE
55
8471-6238
1
HOSE ASSY
56
8874-3036
1
MALE ELBOW, 45 DEGREES
1/8X5/16 TUBE
57
Ref
TRANSMISSION CONTROL VALVE
(see page 6-10 for details)
58
9020-7872
1
HYDRAULIC CUP
59
8471-7490
1
HOSE ASSY
60
8866-1306
1
UNION TEE
61
9103-3073
1
TUBE ASSY
62
7713-3499
4
HEX HD CAPSCREW
63
7713-3498
2
COVER PLATE
64
9103-3138
2
CLAMP
65
8471-7413
1
HOSE ASSY
66
9103-3100
1
INLINE STRAINER
67
7713-3147
1
HOSE ASSY
68
8866-2225
1
SWIVEL NUT RUN TEE
69
7724-1003
1
ADAPTER
70
7713-3089
1
MINI-CHECK COUPLING
71
8866-2026
1
CONNECTER (includes item 75)
72
8859-1204
1
O-RING
73
Ref
DIRECTIONAL CONTROL VALVE
(see page 10-27 for details)
74
8471-1369
2
SPLIT FLANGE CLAMP
75
8503-1525
1
SQUARE O-RING -12
76
8471-1333
2
SPLIT FLANGE CLAMP
77
8366-1304
1
SQUARE O-RING - 16
78
8820-1036
8
HEX HD CAPSCREW, 3/8-16X1-1/4,
GR5
79
8855-1011
8
LOCKWASHER, 3/4X.141X.094
80
9105-3345
1
TUBE ASSY
81
9105-3344
1
TUBE ASSY
82
7713-3089
2
MINI-CHECK COUPLING (includes
item 83)
83
8859-1204
2
O-RING