9.
from control valve body. Remove detent plunger (item
19).
Remove lockout seat (item 22) with o--ring (item 23)
6. Apply Loctite #242 (or equivalent) to threads of
screws (item 7).
7.
Positiongasket(item3)andendcap(item12)tocon-
10.If
control valve is equipped with counterbalance
trol valve. Secure end cap to valve with two (2) screws
with lock washers (item 7). Torque screws from 24 to 36
in--lb (2.7 to 4.1 N--m).
valve (Fig. 44), remove valve from control valve if need-
ed. Counterbalance valve disassembly is not recom-
mended.
8.
Lubricatedetentplunger(item19)withcleanhydrau-
Inspection
lic oil and slide into control valve bore.
1.
cessive, replace lift control valve assembly.
Inspect spool and spool bore for wear. If wear is ex-
9. Installnewo--rings(items23and24)tolockoutseats
(items 22 and 25). Apply Loctite #242 (or equivalent) to
threads of lockout seats. Install seats into control valve.
Torque seats from 18 to 20 ft--lb (24 to 27 N--m).
2.
3.
Inspectallspringsandreplaceifdamagedorbroken.
Inspect detent plunger, detent ball and poppet for
10.Lubricate
poppet (item 11), poppet stop (item 10)
wear. Replace as necessary.
andspring(item2)liberallywithcleanhydraulicfluidand
install into control valve bore.
4.
Inspect lockout seats for wear or damage. Replace
as necessary.
11.
15)
trol valve. Torque plugs from 35 to 40 ft--lb (47 to 54
N--m).
Install adapter plug (item 14) with new o--ring (item
and plug (item 9) with new o--ring (item 21) into con-
5.
Inspect control valve housing threads and o--ring
sealing surfaces. Replace as necessary.
6.
plugs. Replace as necessary.
Inspect threads and o--ring sealing surfaces on
12.Install
detent ball (item 1) and spring (item 17) with clean hy-
draulic fluid and install into detent plug.
new o--ring to detent plug (item 16). Lubricate
Assembly (Fig. 43)
13.Install
plug from 10 to 15 ft--lb (14 to 20 N--m).
detent plug assembly to control valve. Torque
IMPORTANT: Do not wipe parts with dry paper tow-
els or rags. Lint may cause damage to the hydraulic
system.
14.If
counterbalance valve was removed, carefully
thread valve into control valve housing (Fig. 44). Torque
counterbalance valve from 35to 40ft--lb(47to54N--m).
CAUTION
Use eye protection such as goggles when using
compressed air.
2
1.
vent and blow dry with compressed air.
Clean all control valve components with clean sol-
2.
o--rings with clean hydraulic oil before assembly.
Replace all removed o--rings. Lightly lubricate new
3.
4.
Install new o--rings into control valve spool bore.
Lubricate spool liberally with clean hydraulic fluid
3
and carefully install into control valve bore.
1
5.
(item6)liberallywithMPG--2(orequivalent)grease.Ap-
plyLoctite #242(or equivalent) tothreads ofscrew (item
Coat spacer (item 13), spring (item 20) and washer
35 to 40 ft--lb
(47
to 54 N--m)
5).
cure with screw. Torque screw from 24 to 36 in--lb (2.7
to 4.1 N--m).
Install washer, spring and spacer into valve and se-
Figure 44
3.
1.
2.
Lift control valve
Spool
Counterbalance valve
Groundsmaster 3280--D/3320
Page 5 -- 57 Rev. A
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 3280 D, Toro Groundsmaster 3320 |
| Download File |
|
| Document Type | Catalog |
| 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 |
(0 votes, average: 0 out of 5)