SUNWARD SWE80B - Tightening Torque Table for Hoses; Engine Maintenance Guide; Adding Lubrication Grease

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5.3.2 Tightening Torque Table for Hoses
Note: the ★ marked torques represent tightening torque for hoses above swing joint.
5.4 ENGINE MAINTENANCE GUIDE
5.4.1 Adding Lubrication Grease
Parts name
Qty
Interval (hours)
8
50
100
250
500
1000
2000
Connection
pins of
working
device
Connection pins for boom and platform
1/2
★△
△
Connection pins for boom cylinder
ends
2
★△
△
Pins for bucket and arm
6/8
★△
★★
△
Pins for dozer blade cylinder ends
2
△
Connection pins for dozer blade and
platform
2
△
Slewing support bearing
2
△
Slewing inner gear ring
1
△
★★ means that these parts need maintaining when working in water or mud.
Recommended Lubrication Grease
Normal No. of
threads
Across
flats
(mm)
Tightening torque
Target value
Permissible range
N•m
kgf•m
lbft
N•m
kgf•m
lbft
9/16-18UNF
19
44
4.5
32.5
35 - 63
3.5 - 6.5
25.3 - 47.0
11/16-16UN
22
74
7.5
54.2
54 - 93
5.5 - 9.5
39.8 - 68.7
13/16-16UN
27
103
10.5
75.9
84 - 132
8.5 - 13.5
61.5 - 97.6
1-14UNS
32
157
16.0
115.7
128 - 186
13.0 - 19.0
94.0 - 137.4
13/16-12UN
36
216
22.0
159.1
177 - 245
18.0 - 25.0
130.2 - 180.8
1-7/16-12UN-2B
41
215
22.0
159.1
176 - 234
18.0 - 24.0
130.2 - 180.8
★