Komatsu PC200-8M0, Shop Manual, Page: 54 / 1254

SEN06112-00
00-200
38
PC200, 200LC, 220, 220LC-8M0
200 Foreword and general information
Standard tightening torque table
Table of tightening torque for hose (taper seal type and face seal type)
a
Unless otherwise specified, tighten the hose fittings (taper seal type and face seal type) to the torque
shown in the following table.
a
The table is applied to the threads coated with engine oil (wet threads)
Table of tightening torque for face seal joints
a
The tightening torque table below applies to the seal joint (sleeve nut type)
a
The table is applied to the threads coated with engine oil (wet threads).
Reference: The face seal joint of the dimension in ( ) is also used, depending on the specification.
Nominal
No. of
hose
Width
across
flats
(mm)
Tightening torque (Nm {kgm}) Taper seal Face seal
Range Target
Thread size
(mm)
Nominal No. –
threads per
inch, type of
thread
Thread root
diameter
(reference)
02 19
34 to 54 { 3.5 to 5.5} 44 { 4.5} – 9/16-18UN 14.3
34 to 63 { 3.5 to 6.5} 44 { 4.5} 14 – –
03
22 54 to 93 { 5.5 to 9.5} 74 { 7.5} – 11/16-16UN 17.5
24 59 to 98 { 6.0 to 10.0} 78 { 8.0} 18 – –
04 27 84 to 132 { 8.5 to 13.5} 103 {10.5} 22 13/16-16UN 20.6
05 32 128 to 186 {13.0 to 19.0} 157 {16.0} 24 1-14UNS 25.4
06 36 177 to 245 {18.0 to 25.0} 216 {22.0} 30 1-3/16-12UN 30.2
(10) 41 177 to 245 {18.0 to 25.0} 216 {22.0} 33 – –
(12) 46 197 to 294 {20.0 to 30.0} 245 {25.0} 36 – –
(14) 55 246 to 343 {25.0 to 35.0} 294 {30.0} 42 – –
Outer
diameter
of pipe
(mm)
Width
across
flats
(mm)
Tightening torque (Nm {kgm}) Face seal
Range Target
Nominal No. –
threads per inch,
type of thread
Thread root
diameter
(Reference)
8 19 14 to 16 {1.4 to 1.6} 15 {1.5} 9/16-18UN 14.3
10 22 24 to 27 {2.4 to 2.7} 25.5 {2.6} 11/16-16UN 17.5
12 24 {27} 43 to 47 {4.4 to 4.8} 45 {4.6} 13/16-16UN 20.6
15 {16} 30 {32} 60 to 68 {6.1 to 6.8} 64 {6.5} 1-14UN 25.4
22 {20} 36 90 to 95 {9.2 to 9.7} 92.5 {9.4} 1-3/16-12UN 30.2