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Section
MAINTENANCE
3.13
3.14 TORQUE SPECIFICATIONS
Hydraulic Components
NOTE: Always lubricate threads with clean
hydraulic oil prior to installation
Use the following values to torque hydraulic components used on UpRight Work Platforms.
Table 3-2: Torque Specifications for Hydraulic Components
Type: SAE Part Series
Cartridge Poppet
Ft/Lbs
N/A
#4
Fittings
Hoses
Nm
N/A
Ft/Lbs
N/A
Nm
N/A
Ft/Lbs
135-145
Nm
15-16
#6
N/A
N/A
10-20
14-27
215-245
24-28
#8
#10
25-30
35-40
34-41
47-54
25-30
35-40
34-41
47-54
430-470
680-750
49-53
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
Fasteners
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.
Thread Condition
•
For lubed or zinc plated fasteners, use K = .15
• For dry unplated fasteners, use K = .20
Torque Tables
Table 3-3: Torque Specifications for SAE Fasteners
Nominal Thread
Size
Clamp
Load
Unified Coarse Thread Series
lbs.
3-22
1/4 -20 2,000
5/16 - 18 3,350
lbs.
SAE J429 Grade 8
Tightening Clamp Tightening
Torque
Load
Torque
K=.15 K=.20
K=.15 K=.20
in-lbs. in-lbs.
75
157
100
210
ft-lbs. ft-lbs.
lbs.
2850
4700
Nominal Thread
Size
107
220
143
305
lbs.
ft-lbs. ft-lbs.
4,950
23
31
6950
32.5
44
7/16-14
6,800
37
50
9600
53
70
1/2-13
9,050
57
75
12800
80
107
9/16-12 11,600
82
109
16400
115
154
5/8-11
113
151
20300
159
211
3/4-10
21,300
200
266
30100
282
376
7/8-9
29,435
321
430
41550
454
606
1-8
38,600
483
640
54540
680
900
Clamp
Load
Tightening
Torque
SAE J429 Grade 8
Clamp
Load
Tightening
Torque
K=.15
K=.20
K=.15
K=.20
lbs.
in-lbs.
in-lbs.
lbs.
in-lbs.
in-lbs.
1/4 -28
5/16-24
2,300
3,700
85
173
115
230
3250
5200
120
245
163
325
lbs.
ft-lbs.
ft-lbs.
lbs.
ft-lbs.
ft-lbs.
3/8-24
7/16-20
5,600
7,550
26
42
35
55
7900
10700
37
59
50
78
1/2-20
in-lbs. in-lbs.
3/8-16
14,500
SAE J429 Grade 5
Unified Fine Thread Series
SAE J429 Grade 5
10,200
64
85
14400
90
120
9/16-18 13,000
5/8-18 16,300
92
128
122
170
18300
23000
129
180
172
240
3/4-16
23,800
223
298
33600
315
420
7/8-14
1-12
32,480
42,270
355
528
473
704
45855
59670
500
745
668
995
AB62 Work Platform - European