Removal (Fig. 70)
Before removing any parts from the hydraulic sys-
1.
tem, park machine on a level surface, set brake, lower
cutting units, and stop engine.
PUMP INLET HOSE
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
Figure 71
2.
Place a clean container, large enough to collect 2
gallons(7.6liters),underthehydrostattocollecthydrau-
lic oil.
Assembly (Fig. 70)
1.
2.
auxiliarytank.Torquegaugefrom100to125in--lb(11.3
to 14.1 Nm).
Coat all O--rings with clean hydraulic oil.
Secure sight gauge (11) and new O--ring (12) to the
3.
Clamppumpinlethosetocontroldrainage.Remove
pump inlet hose from hydrostat. Release clamp from
hose and drain about 2 gallons (7.6 liters) from the hy-
draulic tank (Fig. 71).
4.
al hydraulic oil.
Clamppumpinlethose toprevent draining addition-
3.
(15)
Secure hydraulic barb fittings (28) and new O--ring
to the auxiliary tank. Torque fitting from 17 to 21 ft--
lb (23 to 28 Nm).
5.
Remove cap screw (31) and flat washer(30) secur-
ing the tether (29) to the auxiliary tank.
4.
Secure valve hose (32) to the barb fitting (28) with
hose clamp (13).
6.
Unplug leak detector harness from the main tractor
harness.
5.
(15)
Secure bothhydraulic barbfittings (14)andO--rings
to the valve body (22)
7.
Remove four cap screws (6 and 9), flat washers (4),
neoprene washers (3), and spacers (3 and 10).
Installation (Fig. 70)
8.
flow hose (27).
Looseneitherhoseclamp(26)anddisconnectover-
1.
if previously removed.
Connect tank hose (23) and install valve assembly
9.
and disconnect valve hose (32) at valve fitting. Remove
auxiliary tank assembly.
Lift auxiliary tank slightly, loosen hose clamp (13),
2.
Connect pump inlet hose to hydrostat (Fig. 71).
3. Connect overflow hose (27).
10.
(13)
ting(14).Removetwocapscrews(25)andlockwashers
If valve removal is necessary, loosen hose clamp
and disconnect tank hose (23) at hydraulic tank fit-
4. Position auxiliary tank over hydraulic tank and con-
nect valve hose (32).
(24)
and remove the valve assembly.
securing the valve assembly to the hydraulic tank
IMPORTANT: Do not over tighten cap screw.
Threads in tank may become damaged.
Disassembly and Inspection (Fig. 70)
5. Install four spacers (3 and 10), neoprene washers
(3),
flat washers (4), and cap screws 6 and 9). Tighten
1.
leak detector assembly drawing (Fig. 70) as a guide.
The leak detector can be disassembled using the
cap screws from 30 to 60 in--lb (3.4 to 6.8 Nm).
6.
Connect leak detector harness to main wire har-
2.
Inspect parts for the following:
ness.
A. Leaking, cracked, or damaged auxiliary tank.
7. Secure tether to the auxiliary tank with cap screw
(31)
and flat washer (30).
B. Wornor leaking hydraulic hoses.Replace ifnec-
essary.
Note:
Monitor hydraulic fluidlevelinsightglass.Asair
is removed from the hydraulic circuit, auxiliary tank may
need to be topped off after initial fill.
C. Visibly worn or damaged parts.
Greensmaster 3150
Page 4 -- 101
Hydraulic System (Rev. E)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Greensmaster 3150 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
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| Publisher | toro.com |
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