Torque Specifications
Section 1 - General Information
Service Manual
Page 1-3
1-3 T
ORQUE
S
PECIFICATIONS
H
Y D R A U L I C
C
O M P O N E N T S
NOTE:
Always lubricate threads with clean hydraulic fluid prior to installation
Use the following values to torque hydraulic components used on UpRight Aerial Work Platforms.
Table 1-1:
Torque Specifications for Hydraulic Components
F
A S T E N E R S
This standard applies to the preloading of fasteners measured by installation torque.
NOTE:
For other preloading methods or fasteners consult UpRight Engineering Department.
This general standard applies to all SAE and Metric fasteners unless otherwise specified.
T
HREAD
C
ONDITION
• For lubricated or zinc plated fasteners use K =,15
• For dry unplated fasteners use K =,20
T
ORQUE
T
ABLES
Table 1-2:
Torque Specifications for SAE Fasteners
Type: SAE Port Series
Cartridge Poppet
Fittings
Hoses
Ft/Lbs
Nm
Ft/Lbs
Nm
In/Lbs
Nm
#4
N/A
N/A
N/A
N/A
135-145
15-16
#6
N/A
N/A
10-20
14-27
215-245
24-28
#8
25-30
34-41
25-30
34-41
430-470
49-53
#10
35-40
47-54
35-40
47-54
680-750
77-85
#12
85-90
115-122
85-90
115-122
950-1050
107-119
#16
130-140
176-190
130-140
176-190
1300-1368
147-155
SAE J429 Grade 5
SAE J429 Grade 8
SAE J429 Grade 5
SAE J429 Grade 8
Nominal
Thread Size
Clamp
Load
Tightening
Torque
Clamp
Load
Tightening
Torque
Nominal Thread
Size
Clamp
Load
Tightening Torque
Clamp
Load
Tightening Torque
K=,15
K=,20
K=,15
K=,20
K=,15
K=,20
K=,15
K=,20
lbs.
in-lbs. in-lbs.
lbs.
in-lbs. in-lbs.
lbs.
in-lbs.
in-lbs.
lbs.
in-lbs.
in-lbs.
Unified
Coarse Th
read Series
1/4 -20
2,000
75
100
2850
107
143
Unified
Fine Th
read Series
1/4 -28
2,300
85
115
3250
120
163
5/16 - 18
3,350
157
210
4700
220
305
5/16-24
3,700
173
230
5200
245
325
lbs.
ft-lbs.
ft-lbs.
lbs.
ft-lbs.
ft-lbs.
lbs.
ft-lbs.
ft-lbs.
lbs.
ft-lbs.
ft-lbs.
3/8-16
4,950
23
31
6950
32.5
44
3/8-24
5,600
26
35
7900
37
50
7/16-14
6,800
37
50
9600
53
70
7/16-20
7,550
42
55
10700
59
78
1/2-13
9,050
57
75
12800
80
107
1/2-20
10,200
64
85
14400
90
120
9/16-12
11,600
82
109
16400
115
154
9/16-18
13,000
92
122
18300
129
172
5/8-11
14,500
113
151
20300
159
211
5/8-18
16,300
128
170
23000
180
240
3/4-10
21,300
200
266
30100
282
376
3/4-16
23,800
223
298
33600
315
420
7/8-9
29,435
321
430
41550
454
606
7/8-14
32,480
355
473
45855
500
668
1-8
38,600
483
640
54540
680
900
1-12
42,270
528
704
59670
745
995