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.
Position gasket (item 3) and end cap (item 12) to con-
10.If
102).
kit, a fitting and sleeve will be installed in place of plug.
necessary, remove plug from control valve (Fig.
Note: If machine is equipped with optional rear lift
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).
Inspection
8. Lubricate detent plunger (item 19) with clean hydrau-
lic oil and slide into control valve bore.
1.
Inspect spool and spool bore for wear. If wear is ex-
cessive, replace lift control valve assembly.
9. Install new O–rings (items 23) to lockout seats (items
22).
Apply Loctite #242 (or equivalent) to threads of
2.
3.
Inspect all springs and replace if damaged or broken.
Inspect detent plunger, detent ball and poppet for
lockout seats. Install seats into control valve. Torque
seats from 18 to 20 ft–lb (24 to 27 N–m).
wear. Replace as necessary.
10.Lubricate
poppet (item 11), spring (item 2) and pop-
pet stop (item 10) liberally with clean hydraulic fluid and
install into control valve bore. Make sure that stop ex-
tends into spring coils after installation.
4.
as necessary.
Inspect lockout seats for wear or damage. Replace
5.
sealing surfaces. Replace as necessary.
Inspect control valve housing threads and O–ring
11.
15)
Install adapter plug (item 14) with new O–ring (item
and plug (item 9) with new O–ring (item 21) into con-
trol valve. Torque plugs from 35 to 40 ft–lb (47 to 54
N–m).
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. 101)
IMPORTANT: Do not wipe parts with dry paper tow-
els or rags. Lint may cause damage to the hydraulic
system.
13.Install
plug from 10 to 15 ft–lb (14 to 20 N–m).
detent plug assembly to control valve. Torque
14.If
trol valve housing (Fig. 102). Torque plug from 60 to 70
ft–lb (81 to 94 N–m).
plug was removed, carefully thread plug into con-
CAUTION
Use eye protection such as goggles when using
compressed air.
1
1.
Clean all control valve components with clean sol-
vent and blow dry with compressed air.
2.
O–rings with clean hydraulic oil before assembly.
Replace all removed O–rings. Lightly lubricate new
3.
bore taking care to not damage O–rings during installa-
tion.
Carefully install new O–rings into control valve spool
3
4.
and carefully install into control valve bore.
Lubricate spool liberally with clean hydraulic fluid
2
60
(81
to 70 ft–lb
to 94 N–m)
5.
Coat spacer (item 13), spring (item 20) and washer
(item 6) liberally with MPG–2 (or equivalent) grease. Ap-
ply Loctite #242 (or equivalent) to threads of screw (item
Figure 102
3.
5).
Install washer, spring and spacer into valve and se-
cure with screw. Retain spool to prevent it from turning
1.
2.
Lift control valve
Plug
O–ring
and torque screw from 24 to 36 in–lb (2.7 to 4.1 N–m).
Groundsmaster 7200/7210
Page 4 – 87
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 7200, Toro Groundsmaster 7210 |
| 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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My mower is a TORO 7210.
Start fuse defection. Why ?