Acceleration Valve Removal (Fig. 43)
Charge Check Valve Inspection (Fig. 44)
1.
end cap.
Remove plugs and O–rings from both sides of the
1. Inspect ball and spring for nicks, cracks, and distor-
tion. Replace parts as necessary.
2.
of the end cap. Slide other valve out the other side.
Slide acceleration valve and spring out of one side
2. Inspect valve seat in the end cap for damage and
foreign material. Remove any foreign material.
Acceleration Valve Inspection (Fig. 43)
Charge Check Valve Assembly (Fig. 44)
1.
Inspect valves for cracks, bending, and plugged
1. Insert ball and spring into the end cap.
holes. Clean out plugged holes; be careful not to dam-
age the valve. Replace valve as necessary.
2.
plugs.
Install O–rings and plugs into end cap. Tighten
2.
Inspect valve bores in the end cap for damage and
foreign material. Remove any foreign material.
4
Acceleration Valve Assembly (Fig. 43)
1.
Insert valve into valve bore. Insert spring and other
valve into other bore.
1
2
2.
cap. Tighten plugs.
Install O–rings and plugs into both sides of the end
3
2
Relief Valve Disassembly (Fig. 44)
Note:
On the Sand Pro 2020 and 3020 the control
shaft is on the implement relief valve side of the hydros-
tat. On the Sand Pro 5020, the control shaft is on the
charge relief valve side.
3
1
1.
Remove plug and O–ring from variable housing.
Figure 43
IMPORTANT: Do not alter shims or interchange
parts between relief valves.
1.
2.
Plug
O–ring
3.
4.
Acceleration valve
Spring
2.
Slide shim kit, spring, and poppet out of the housing.
9
1
3
11
Relief Valve Inspection (Fig. 44)
1.
tortion. Replace parts as necessary.
Inspect poppet and spring for nicks, cracks, and dis-
8
10
2
4
2.
foreign material. Remove any foreign material.
Inspect valve seat in the housing for damage and
5
2
Relief Valve Assembly (Fig. 44)
1
5
1.
Insert poppet, spring, and shim kit into housing.
7
6
2.
Install O–rings and plugs into housing. Tighten
plugs.
Figure 44
Charge Check Valve Disassembly (Fig. 44)
1.
2.
3.
4.
5.
6.
Plug
7.
8.
Spring (charge)
Plug
O–ring
1.
Remove plug and O–ring from variable housing end
Shim kit (implement)
Spring (implement)
Poppet
9.
10. Spring (charge check)
11. Ball (charge check)
O–ring
cap.
Shim kit (charge)
2.
Slide spring and ball out of the end cap.
Sand Pro 2020/3020/5020
Page 4 – 51
Hydraulic System (Rev. A)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3020, Toro 5020, Toro 98957SL.Toro 2020 |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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