Lift Valve
12
11
15
14
13
10
9
7
1
2
3
5
8
9
7
6
5
3 4
2
1
9
10
11
12
4
6
9
8
13
14
15
Figure 27
1.
2.
3.
4.
5.
Plug
6.
7.
8.
9.
Cam pin
11. Spring
12. Spring retainer
13. Spacer float
14. Spool retaining ring
15. Retaining ring
O–ring
Spring
Ball
Body
Spool
O–ring
10. Spring retainer
Check valve seat
Disassembly
2. Inspect check valve seat for wear and damage of
sealing surface. Replace if necessary.
1.
Wash valve in solvent and dry thoroughly.
3.
place if necessary.
Inspect ball for wear, damage, and flat spots. Re-
2.
ring is facing up and the mounting pads are against the
jaws of the vise.
Mount valve carefully in a vise so that the retaining
Reassembly
3.
move spring, ball, and cam pin.
Remove plug and O–ring from the valve body. Re-
1. Clean and dry all parts thoroughly. Coat all O–rings
with clean hydraulic fluid.
4.
and twist spool carefully out of the body.
Remove spool retaining ring from the spool. Push
2. Use hooked scribe to install both O–rings into the
grooves of the body bore.
5.
6.
Remove spacer float from the spring retainer.
3. Install spring retainer, spring, and spring retainer
into the body. Secure with retaining ring.
Remove retaining ring from the body. Remove
spring retainer, spring, and spring retainer from the
body.
4. Install spacer float into the spring retainer.
5.
Coat spool with clean hydraulic oil. Push and twist
7.
body. Be careful not to scratch bore finish.
Use hooked scribe to remove both O–rings from the
spool carefully into the body. Secure spool with spool re-
taining ring.
Inspection
6. Install cam pin, ball, and spring into the body. Install
O–ring and plug into the body. Tighten plug.
1.
Inspect spool for wear and flatness. Wear on one
side of the spool may indicate a bent spool. Replace
spool if necessary.
Hydraulic System (Rev. A)
Page 4 – 38
Sand Pro 2020/3020/5020
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3020, Toro 5020, Toro 98957SL.Toro 2020 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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