LS tractor MT458, Operator'S Manual

Page: 167 / 242

5 - 5
Pipe spec. Pre-torque Tightening torque
Figure Remarks
Outer dia. Thickness
N · m {
㎏
f · m} N · m {
㎏
f · m}
8 1~1.5 29~34 3~3.5 29~34 3~3.5
Pipe
10 1~1.5 29~39 3~4 34~49 3~3.5
material:
12 1~2.5 44~59 4.5~6 49~69 5~7 OST
15 1~2.5 69~98 7~10 88~118 9~12
18 1.5~2 118~147 12~15 146~167 15~17
20 2~3 147~177 15~18 167~206 17~21
22 2 177~206 18~21 196~235 20~24
27.2 2.8 323~343 33~35 343~373 35~38 SGP
Thread
Torque
Figure Remarks
N · m {
㎏
f · m}
G 1/8 15 1.5
G 1/4 25 2.6
G 3/8 49 5
G 1/2 59 6
G 3/4 118 12
Thread
Torque
Figure Remarks
N · m {
㎏
f · m}
G 1/8 20~25 2~2.5 1. Materials of threaded hole:
G 1/4 39~49 4~5 Cast or steel.
G 3/8 49~59 5~6
G 1/2 59~69 6~7
G 3/4 118~127 12~13
Thread
Torque
Figure Remarks
N · m {
㎏
f · m}
G 1/8 15 1.5 1. Apply seal tape before
G 1/4 25 2.6 assembling
G 3/8 49 5 2. Threaded hole: Taper or
G 1/2 59 6 parallel steel or cast
Thread
Torque
Figure Remarks
N · m {
㎏
f · m}
G 1/8 15 1.5 1. Apply seal tape before
G 1/4 25 2.6 assembling
G 3/8 49 5 2. Threaded hole: Taper or
G 1/2 59 6 parallel steel or cast
G 3/4 118 12