Motor grader DZ-98        Motor grader DZ-98B        Motor grader DZ-98B
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Reduction gear of hydraulic pump drive motor grader DZ-98B

The reduction gear is intended to drive the compressor, pumps of motor grader hydraulic system and to couple the engine shaft with the clutch shaft. Reduction gear of hydraulic pump drive motor grader DZ-98B
1- NSH˜-71L pump;
2- sealing ring;
3- NSH˜-50 pump;
4- bushing;
5- splined
external coupling;
6- splined internal coupling;
7- circlip;
8- oil baffle;
9- washer;
10- cover;
11- key;
12- coupling member;
13- bearing cap;
14- filler neck;
15- bearing;
16- driving gear;
17- reduction gear housing;
18- hatch;
19- slide block;
20- journal disc;
21-journal;
22-collar,
23- intermediate gear;
24- compressor bracket;
25- special bolt for adjusting compressor belt tensioning;
26- nut;
27- gear of hydraulic pumps drive;
28- shaft;
29- compressor drive gear;
30- NMSH˜-25 pump;
31- locating pin;
32- drain plug;
33- distance ring;
34- compressor drive pulley
The reduction gear consist of two housing, gears 16,23,2,29 which rotate the shafts of the gear pumps and gears of the compressor drive.
The NSH-71L pump of the l.h. rotation is designed for driving the mould board and the additional working implements.
The NSH-50 pump serves for driving the clutch and steering control servomechanism.
The NMSH-25 pump is designed for lubricating the power transmission unit.