Maintenance And Adjustment Of Hydraulic System - Baoli CPDS15 Operation & Service Manual

7.2 Maintenance and adjustment of hydraulic system

7.2.1 Maintenance of gear pump
1. Disassembly
Before disassembly the pump, make it clean and put the removed parts on the paper
or cloth. Don't damage the parts.
(a) Hold the pump in a vice by lightly clamping the flange section.
(b) Remove bolts
(c) Remove lining plate ⑥ , driving gear ② and driven gear ③ .
(d) Remove seal ring ⑦ and ring ⑧ from the front and rear covers.
Caution: If the seal ring needn't to be replaced, don't remove it from the front
cover.
Fig.7-19 Gear pump
○
, pump cover ⑤ , pump body ① (Fig.7-9).
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1. Pump body
2. Drive gear
3. Driven gear
4. Front cover
5. Rear cover
6. Lining plate
7. Seal ring
8. Snap ring
9. Oil seal
10. Snap ring
11. Bolt
12. Washer