Komatsu PC88MR-10 Shop Manual page 54

00 Index and foreword
Foreword, safety and general information
Width
Nominal
across
No. of
flats
hose
(mm)
02 19
22
03
24
04 27
128 to 186 {13.0 to 19.0}
05 32
177 to 245 {18.0 to 25.0}
06 36
(10) 177 to 245 {18.0 to 25.0}
41
(12) 197 to 294 {20.0 to 30.0}
46
(14) 246 to 343 {25.0 to 35.0}
55
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).
Outside Width
diameter of across flats
pipe (mm) (mm)
8 19
10 22
24 {27}
12
15 {16} 30 {32}
22 {20}
36
Reference: The face seal joint of the dimension in ( ) is also used, depending on the specification.
Tightening torque table for bolts and nuts on 102,107 and 114 series engines
a Unless otherwise specified, tighten the metric threads bolts and nuts used on the 102, 107 and 114 series
engines to the torques shown in the table below.
Thread diameter (mm)
6
8
10
12
14
00-52
Tightening torque (Nm {kgm})
Range
34 to 54 {3.5 to 5.5}
34 to 63 {3.5 to 6.5}
54 to 93 {5.5 to 9.5}
59 to 98 {6.0 to 10.0}
84 to 132 {8.5 to 13.5}
Tightening torque (Nm {kgm})
Range
14 to 16 {1.4 to 1.6}
24 to 27 {2.4 to 2.7}
43 to 47 {4.4 to 4.8}
60 to 68 {6.1 to 6.8}
90 to 95 {9.2 to 9.7}
Taper seal
Thread size
Target
(mm)
44 {4.5}
44 {4.5}
14
74 {7.5}
78 {8.0}
18
103 {10.5}
22
157 {16.0}
24
216 {22.0}
30
216 {22.0}
33
245 {25.0}
36
294 {30.0}
42
Nominal No. -
Target threads per inch,
type of thread
15 {1.5}
25.5 {2.6}
45 {4.6}
64 {6.5}
92.5 {9.4}
Tightening torque (Nm {kgm})
10 ± 2 {1.02 ± 0.20}
24 ± 4 {2.45 ± 0.41}
43 ± 6 {4.38 ± 0.61}
77 ± 12 {7.85 ± 1.22}
Face seal
Thread root
Nominal No. -
diameter
threads per
(mm)
inch, type of
(reference)
thread
/ -18UN 14.3
9
16
/ -16UN 17.5
11
16
13 / -16UN 20.6
16
1 -14UNS 25.4
1 3 / -12UN 30.2
16
Face seal
Thread root
diameter (mm)
(reference)
9 / -18UN 14.3
16
11 / -16UN 17.5
16
13 / -16UN 20.6
16
1 -14UNS 25.4
1 3 / -12UN 30.2
16
PC88MR-10