Doosan DA40 - Lubrication system parts

SHOP MANUAL
SHOP MANUAL
LUBRICATION SYSTEM
Ch 4 Page 4 Ch 4 Page 5
LUBRICATION SYSTEM
A Groeneveld Twin automatic greasing sytems comprises the following parts:
Lubrication system parts
External components
1. An electric grease pump (plunger pump work-
ing with CANBus) with integrated grease reservoir
and a digital control unit with data storage facility;
2. Primary grease lines A;
3. Primary grease lines B;
4. Distribution blocks;
5. Metering units;
6. Pressure switch;
7. Secondary grease lines
Internal components
1. Grease follower piston;
2. Grease reservoir;
3. stirring gear;
4. Cam;
5. Cylinder and plungers (3x);
6. 5/2 way valve;
7. Primary grease line “A” outlet;
8. Primary grease line “B” outlet;
9. Mechanical transmission;
10. Electro-motor;
11. Control unit;
12. Test push-button;
13. Filler coupling with grease filter;
14. Relief valve;
15. Bleeding and grease overflow outlet;
16. Electric connector;
17. Minimum level switch;
18. Guide rod follower piston;
19. Bleeding and grease overflow channel, con-
nected to the bleeding and grease overflow (n°15)
1
2
3
4
5
6
7
8
9
12
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10
13
14
15
16
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18
19
External and intenal parts
TWIN
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3
5
6
2
4
7
Figure 2
Figure 1