Heavy Haul Trailers
66
6.1.3
Suggested Torque for Hydraulic Fittings
6.1.4
Suggested Torque for Tapered Pipe Thread Hydraulic Fittings
TABLE 6-3.
Suggested Torque for Hydraulic Fittings
Fitting Size
Dash Size
Torque
37° JIC
ORB
ORF
ft-lb
N-m
ft-lb
N-m
ft-lb
N-m
1/4
04
12
15
14
20
12
15
3/8
06
20
25
23
30
25
35
1/2
08
40
55
40
55
55
75
5/8
10
60
80
45
60
75
100
3/4
12
80
110
75
100
130
175
7/8
14
-
-
85
115
170
230
1
16
110
150
120
165
210
285
1-1/4
20
130
175
155
210
250
340
1-1/2
24
165
225
170
230
320
435
TABLE 6-4.
Tapered Pipe Thread Torque
Suggested Wrenching Torque for Tapered Pipe Thread Fittings
Tapered Pipe Thread with Sealant*
Tapered Pipe Thread without Sealant
Thread Size
N-m
lb-ft
Thread Size
N-m
lb-ft
1/16-27 UNF
15
10
1/16-27 UNF
20
15
1/8-27 UNF
20
15
1/8-27 UNF
25
20
1/4-18 UNF
25
20
1/4-18 UNF
35
25
3/8-18 UNF
35
25
3/8-18 UNF
45
35
1/2-14 UNF
45
35
12-14 UNF
60
45
3/4-14 UNF
60
45
3/4-14 UNF
75
55
1-11 1/2 UN
75
55
1-11 1/2 UN
90
65
1-1/4-11 1/2 UN
95
70
1-1/4-11 1/2 UN
110
80
1-1/2-11 1/2 UN
110
80
1-1/2-11 1/2 UN
130
95
2- 11 1/2 UN
130
95
2- 11 1/2 UN
160
120
*SUGGESTED WRENCHING TORQUE FOR
TAPERED PIPE THREAD chart meets FUNK
Engineering Procedures Manual Torque
Specifications QS04.01.4 (YZS-101)
Summary of Contents for H550 Series
Page 2: ......
Page 4: ...Heavy Haul Trailers ...
Page 15: ...Heavy Haul Trailers 8 ...
Page 30: ...21 Heavy Haul Trailers ...
Page 31: ...Heavy Haul Trailers 22 Both Sides ...
Page 32: ...23 Heavy Haul Trailers Both Sides ...
Page 52: ...43 Heavy Haul Trailers 3 5 4 Extension Load Shim Instructions ...
Page 59: ...Heavy Haul Trailers 50 ...
Page 84: ...69 Heavy Haul Trailers Date Maintenance Performed Maintenance Records ...
Page 85: ...Heavy Haul Trailers 70 Date Maintenance Performed Maintenance Records ...
Page 86: ...71 Heavy Haul Trailers Date Maintenance Performed Maintenance Records ...
Page 87: ...Heavy Haul Trailers 72 Date Maintenance Performed Maintenance Records ...
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