1. DUST-PROOF LIP
2. PUMP OUTER SIDE
3. PUMP INNER SIDE
4. SEAL RING NOZZLE
Figure 53. Oil Seal Inspection
Assemble, Main Oil Pump
NOTE: For the following procedures refer to Figure 55
or Figure 56.
1. Clean the disassembled parts.
2. Coat a thin layer of clean grease on the lips of oil
seals.
3. Place the pump body and the pump cover on a
flat stand. Coat the inner surface of the pump
body with clean hydraulic oil.
4. Place bearings into the pump body, and pay
attention to put them in correct positions. Do not
press it in forcibly. See Figure 54.
1. BEARING
2. DRIVING GEAR
3. INLET SIDE
4. CLEARANCE NOT ALLOWED
5. POSITIONING PIN (AT INLET SWITCH)
6. DRIVEN GEAR
Figure 54. Pump Body
5. Turn over the pump body. Put the driving and
driven gears (items 5-6) into the pump body, and
allow the engaged teeth to be at the same
position as prior to disassembly.
6. Mount the bearings (items 3-4) on one side of the
front end cover using the same method as in .
7. Mount the seal ring for pump body (item 8), the
seal ring for bearing (item 9), and seal rings
(items 10-11), and do not allow the seal rings to
overlap.
8. Assemble the front end cover (item 7), and wrap
the band around the end of driving gear to avoid
damage of oil ring lip. Remove the band after the
front end cover is mounted.
9. When pump body is turned over to mount end
cover, prevent seal rings from moving.
10. Mount seal rings (items 8-11), with the same
method as in Step 7.
11. Put on the end cover (item 11).
Hydraulic System 8000 YRM 2199
54
To Next Page
Loading...
Need help?
General
