5-38
Lubrication
Lubricate the lubrication points of the machine every 50 hours.
Lubrication steps:
1) Start the working device and put the bucket on the ground.
2) Put the bulldozer shovel on the ground.
3) Stop the engine.
4) Wipe up the filling nozzles of each oil cup.
5) Lubricate each lubrication point and wipe off excess grease squeezed out.
1. Hinge point between
stick and bucket
2. Hinge point between
connecting rod and bucket
3. Hinge point between
rocker and connecting rod
4. Lubrication point at the
bucket cylinder head
5. Hinge point between
rocker and stick
6. Lubrication point at the
tail of bucket cylinder
7. Hinge point between
rocker and stick
8. Lubrication point at the
stick cylinder head
9. Lubrication point at the
tail of stick cylinder
10. Lubrication point at the
boom cylinder head
11. Hinge point between
boom and platform
12. Lubrication point at the
upper pin of the steering
head
13. Lubrication point at the
lower pin of the steering
head
14. Lubrication point at the
deflection cylinder
15. Lubrication points
inside the rotary motor
raceway
16. Lubrication point at the
rotary support gear ring
17. Lubrication point on the
head of the deflection
cylinder
18. Hinge point between
bulldozer shovel and frame
19. Lubrication point at the
bulldozing cylinder head
20. Lubrication point at the
tail of the bulldozing
cylinder
21. Lubrication point at the
tail of the boom cylinder
Summary of Contents for U27
Page 1: ...U27Hydraulic Excavator Instruction Manual Guangxi Yuchai Heavy Industry Co Ltd...
Page 5: ...1 1 Preface...
Page 17: ...2 1 Safety regulations...
Page 44: ...3 1 Parts introduction...
Page 49: ...3 6 Panel meter Oil level pointer Timing display Water temperature pointer Indicator area...
Page 55: ...4 1 Operation guide...
Page 89: ...5 1 Maintenance...
Page 130: ...6 1 Accessories guide...