11.
seat. If surfaces appear worn, replace or regrind. Both
angles are 30 degrees.
Inspect sealing surfaces of valve spool and valve
13. Remove seal assembly (Items 25–30) by pressing
a socket wrench through the casting. Discard all seal
components.
12.
backup (Item 6) and O–ring seals (Item 5).
Remove and inspect sleeve (Item 7) and remove
14. Remove snap ring (Item 21) from gear box pilot
(Item18). Insert a shaft into the outboard side of the gear
box pilot to push out sleeve bushing (Item17), seal
back–up (Item 20) and oil seal (Item 19).
1
2
3
5
6
7
8
38
11
12
Apply grease to
O.D. of sleeve
before installing
37
Torque to 14 – 18 ft–lb
(Six locations)
30
29
28
13
27
26
36
25
24
23
3
1
3
2
22
21
19
3
3
20
35
34
10
Apply Loctite 271
to threads of spool
ft–lb
18
17
16
15
14
Figure 39
Water Valve Assembly
5. Use Valve Seal Installer (TOR4009) and Seal Inser-
tion Mandrel (TOR4011) to properly install packing seal
(Item 29) and seal/plunger support (Item 28) into valve
body. Remove installers.
1.
Press a new sleeve bushing (Item17) into gear case
pilot until bushing is flush with recessed (oil side) sur-
face.
6.
ring (Item 24) and U–cup seal (Item 26) to seal retainer
(Item 25), then install into valve cavity.
Insert valve guide (Item 27) into valve body. Install O–
2.
up (Item 20) into gear box pilot. Install retaining ring
(Item 21).
Use a shaft to install oil seal (Item 19) and seal back–
7.
spool inserted through sleeve to gently drive sleeve into
seals, inserting it from the “spring“ side.
Apply grease to outside of sleeve (Item 7). Use valve
3.
then install onto valve spool (Item1). Rubber O–ring is
furthest away from threads.
Grease O–ring (Item 5) and back–up ring (Item 6),
8.
and install O–ring (Item 3) on inboard side of valve seat.
Insert valve spool (Item1) through valve seat (Item 2)
4.
flat side first.
Install black back–up ring (Item 30) into valve cavity,
Repairs
Hydroject 3010
Page 6 – 30
Rev. B
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Hydroject 3010 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
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