HELI H2000 Series, Manual

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4.Front Axle 4.Front Axle
4.1 General Description 4.1 General Description
4.2 Main reduction and Differential 4.2 Main reduction and Differential
The main specificat The main specificat ions of the front axle see Tale ions of the front axle see Tale 4-1. 4-1.
The front axle that The front axle that consists of a main consists of a main reduction,differential,hu reduction,differential,hu b reduction and brakes b reduction and brakes
as shown in fig.4-1 and fig.4-2 is bolted to the front side of the frame.The masts are as shown in fig.4-1 and fig.4-2 is bolted to the front side of the frame.The masts are
installed on the axle housing. installed on the axle housing.
The main reduction and differential consists primarily of a cross case,ring gear and The main reduction and differential consists primarily of a cross case,ring gear and
drive pinions,which are all assembled on the differential carrier as shown in fig.4-3,and is drive pinions,which are all assembled on the differential carrier as shown in fig.4-3,and is
fitted to the axle housing through packings. fitted to the axle housing through packings.
The cross case is The cross case is of the split of the split type.The cross case,assembled with bolts,contains side type.The cross case,assembled with bolts,contains side
gears and pinions fitted to the spider,being in mesh with each another.The drive pinions gears and pinions fitted to the spider,being in mesh with each another.The drive pinions
supported by two taper roller bearings are installed in the bearing cage fitted to the supported by two taper roller bearings are installed in the bearing cage fitted to the
differential carrier through shims and packings.The ring gear is of the spiral bevel gear differential carrier through shims and packings.The ring gear is of the spiral bevel gear
typ typ e.I e.I t t is is bol bol ted to ted to the cross case. the cross case. Pow Pow er er fro fro m m the trans the trans mis mis sio sio n n is is red red uce uce d d by by the the
combinat combinat ion of the ring gear and ion of the ring gear and drive pinions. drive pinions.
Main Main
reduction reduction
Hub Hub
reduction reduction
Oil amount Oil amount
Driving Driving
wheel wheel
Type Type
Type Type
Reduction ratio Reduction ratio
Type Type
Reduction ratio Reduction ratio
Total reduction ratio Total reduction ratio
Main Main reduction,diffe reduction,diffe rential rential
Hub reduction Hub reduction
Tire(left and right each 2) Tire(left and right each 2)
Rim Rim
Air Air pres pres sure sure KPa KPa
5-7t 5-7t
Cast-steel,full-flo Cast-steel,full-flo ating ating type type
Spiral bevel pinion type Spiral bevel pinion type
4.75 4.75
Planetary gear type Planetary gear type
4.25 4.25
20.19 20.19
10L 10L
Left and right each 8L Left and right each 8L
8.25-15-14PR 8.25-15-14PR
6.50-15 6.50-15
830 830
8-10t 8-10t
6.33 6.33
3.75 3.75
23.75 23.75
Left and right each 10L Left and right each 10L
9.00-20-14PR 9.00-20-14PR
7.0-20 7.0-20
760 760
-55- -55-
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