Komatsu WA320-6 User Manual

FOREWORD STANDARD TIGHTENING TORQUE
WA320-6 00-35
For O-Ring Boss Plugs 00
★ Tighten the O-ring boss plugs to the torque in this table, unless there are special instructions.
For Hoses (Taper-Seal Type and Face-Seal Type) 00
★ Tighten the hoses (taper-seal type and face-seal type) to the torque in this table, unless there are special instructions.
★ Apply the following torque when the threads are coated (wet) with engine oil.
Norminal
No.
Thread Diameter Width across Flats Tightening Torque (N•m [kgm] {lbf lb})
mm mm Range Target
08 08 14 5.88 – 8.82 [0.6 – 0.9] {4.33 – 6.50} 7.35 [0.75] {5.42}
10 10 17 9.81 – 12.74 [1.0 – 1.3] {7.22 – 9.39} 11.27 [1.15] {8.31}
12 12 19 14.7 – 19.6 [1.5 – 2.0] {10.84 –- 14.45} 17.64 [1.8] {13.01}
14 14 22 19.6 – 24.5 [2.0 – 2.5] {14.45 – 18.07} 22.54 [2.3] {16.62}
16 16 24 24.5 – 34.3 [2.5 – 3.5] {18.07 – 25.29} 29.4 [3.0] {21.68}
18 18 27 34.3 – 44.1 [3.5 – 4.5] {25.29 – 32.52} 39.2 [4.0] {28.91}
20 20 30 44.1 – 53.9 [4.5 – 5.5] {32.52 – 39.75} 49.0 [5.0] {36.14}
24 24 32 58.8 – 78.4 [6.0 – 8.0] {43.36 – 57.82} 68.6 [7.0] {50.59}
30 30 32 93.1 – 122.5 [9.5 – 12.5] [{68.66 – 90.35} 107.8 [11.0] {79.50}
33 33 _ 107.8 – 147.0 [11.0 – 15.0] {79.50 – 108.42} 124.4 [13.0] {91.75}
36 36 36 127.4 – 176.4 [13.0 – 18.0] {93.96 – 130.10} 151.9 [15.5] {112.03}
42 42 _ 181.3 – 240.1 [18.5 – 24.5] {133.72 – 177.08} 210.7 [21.5] {155.40}
52 52 _ 274.4 – 367.5 [28.0 – 37.5] {202.38 – 271.05} 323.4 [33.0] {238.52}
Nominal
No.
of Hose
Width
across
Flats
Tightening Torque (N•m [kgm] {lbf ft})
Taper-Seal
Type
Face-Seal Type
Range Target
Thread Size
(mm)
Nominal No. ,
Number of
Threads, Type
of Thread
Thread Diameter
(mm)
(Reference)
02 19
34 – 54 [3.5 – 5.5]
{25.08 – 39.83}
44 [4.5] {32.45}
– 9/16 - 18UN 14.3
34 – 63 [3.5 – 6.5]
{25.08 – 46.47}
14 – –
03
22
54 – 93 [5.5 – 9.5]
{39.83 – 68.59}
74 [7.5] {54.58} – 11/16 -16UN 17.5
24
59 – 98 [6.0 – 10.0]
{43.52 – 72.28}
78 [8.0] {57.53} 18 – –
04 27
84 – 132 [8.5 – 13.5]
{61.96 – 97.36}
103 [10.5] {75.97} 22 13/16 - 16UN 20.6
05 32
128 – 186 [13.0 – 19.0]
{94.41 – 137.19}
157 [16.0] {115.80} 24 1 - 14UNS 25.4
06 36
177 – 245 [18.0 – 25.0]
{130.55 – 180.70}
216 [22.0] {159.31} 30 1 3/16 - 12UN 30.2
(10) 41
177 – 245 [18.0 – 25.0]
{130.55 – 180.70}
216 [22.0] {159.31} 33 – –
(12) 46
197 – 294 [20.0 – 30.0]
{145.30 – 216.84}
245 [25.0] {180.70} 36 – –
(14) 55
246 – 343 [25.0 – 35.0]
{181.44 – 252.98}
294 [30.0] {216.84} 42 – –

Komatsu WA320-6 Specifications

General

Brand	Komatsu
Model	WA320-6
Category	Construction Equipment
Language	English