4-20 Inspection, Maintenance and Adjustment
INSPECTION OF BOLT AND NUT
Check all fasteners after working for 50 hours for the first time
and every 250 hours from then on. If loose or loss is found, it
is necessary to re-tighten or add new products. You must use
torque wrench.
Clear the fasteners before tightening.
If the counter weight of the bolt is loose, please consult the
agent to solve the problems.
No.
Check points
Bolt dia.
Qty.
Bolt head
dimension
Torque
kg•m
Nm
1
The connecting bolts and nuts between engine
mounting support and engines
M12
4
12
118
2
The connecting bolts and nuts between engine
mounting support and main frame
M20
2
46±4.6
451±45
3
Mounting bolts for radiator
M12
4
40mm
12
118
4
Tighten the mounting bolts for hydraulic oil tank
M16
5
24mm
20~26
193~257
5
Tighten the mounting bolts for fuel tank
M20
4
30mm
55~66
540~650
6
Tighten the mounting bolts for oil pump
M12
4
35mm
8~10
78~104
7
Tighten the mounting bolts for control valve
M12
4
115mm
8~10
78~104
8
The bolts between cab mounting rubber and
main rack
M16
4
64mm
20
196
9
The bolts between cab mounting rubber and cab
M10
16
30mm
6~67
59~657
10
Tighten front/rear axles
M30
8
260mm
150
1470
11
Connecting bolt and nuts
for propeller shaft
Bolt
M12
16
65mm
11
107
Nut
M12
8
65mm
11
107
12
Tire nut
M20
40
61~69
600~680
13
The connecting bolt between gearbox and main
frame
M20
2
70±4.6
686±45
Summary of Contents for HL630VL
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Page 61: ...2 10 Operation Controls Schematic Fig 11 ...
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Page 126: ...Inspection Maintenance and Adjustment 4 7 LUBRICATION OIL AND MAINTENANCE CHART Figure 4 ...
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