IMPORTANT: Do not over tighten cap screw.
Threads in tank may become damaged.
2. Secure sight gauge (34) and new O--ring (28) to the
leak detection tank (11). Torque gauge from 100 to 125
in--lb (11.3 to 14.1 N--m).
6.
Locateplugged2--pinconnectorwithyellow/orange
and black wires in main tractor harness. Attach leak de-
tector harness. Secure leak detector harness to under-
side of leak detection tank with R--clamp and capscrew.
3. Secure both hydraulic barb fittings (6) and new O--
rings (7) to the leak detection tank. Torque both fittings
from 17 to 21 ft--lb (23 to 28 N--m).
7.
fully fill float cavity to the top of the threads. Replace and
tighten fill plug. Clean up any spilled oil (Fig. 90).
Remove plug from top of the valve assembly. Care-
4. Apply antiseize lubricant to threaded holes on bot-
tom of leak detection tank. Secure mounting plate (14)
to tank with two grommets (32), flat washers (31), and
capscrews(30).Torquebothscrewsfrom30to60in--lb
8.
Before reattaching cover plate, test leak detector
(3.4
to 6.8 N--m).
switch with ignition key switch in ON/RUN position. The
buzzer should sound with toggle switch held down for 1
second.
5. Secure formed inlet hose (26) to the hydraulic barb
fitting (6) attached totheend ofthe tankwith hoseclamp
(16).
barb fitting (6) attached to the inner side of the tank with
hose clamp (16).
Secure formed outlet hose (15) to the hydraulic
9.
tion key switch is in ON/RUN position, all connections
are secure, and the test switch is held for 1 full second.
If the buzzer fails to sound, check to see if the igni-
6.
(28)
(23)
Secure bothhydraulic barbfittings (27)andO--rings
to the valve assembly (18). Secure oil level sensor
and O--ring (24) to the assembly. Secure cartridge
IMPORTANT: Do not over tighten cap screws.
Threads in tank may become damaged.
valve with O--ring (25) to assembly. Hand tighten plug
10.
tion tank with five cap screws and flat washers (Fig. 90).
Secure cover plate and cap tether to the leak detec-
(29)
and O--ring (28) to the assembly.
7.
Position valve assembly (18) under the mounting
Note:
air is removed from the hydraulic circuit, auxiliary tank
may need to be topped off after initial fill.
Monitorhydraulicfluidlevelinsightglassandas
bracket (14). Insert four cap screws (12) with two flat
washers (13) and two idler washers (17) through the
bracket and assembly. Hand tighten four M8--1.25 lock
nuts to the cap screws.
11.
Fillleak detection tank to the top ofsight gauge (Fig.
90).
8.
Secure toggle switch (35) to cover plate (4) with nut,
then secure toggle switch boot (37) to switch. Secure
audio alarm (5) to plate with cap. Secure delay timer (3)
to the plate with clamp (1), socket head screw (38), and
lock nut (2).
IMPORTANT: If a leak occurs or oil is removed from the
hydraulic system for service, the lost oil must be re-
placed.Ifalargeamountofoilislost,removeleakdetec-
tion tank cover plate and follow steps 7 through 11 for
refilling instructions. For small amounts of oil, simply
add oil to auxiliary tank.
9.
Connect leak detector harness to the following:
A. The connector with red and black wires to the
delay timer (3).
Disassembly and Inspection (Fig. 88)
1.
leak detector assembly drawing (Fig. 88) as a guide.
The leak detector can be disassembled using the
B. The black/white and black wires to the negative
terminaloftheaudioalarm(5).Connectredandyel-
low wires to the positive terminal.
2.
Clean tank and filler screen with solvent. Inspect
parts for the following:
C. The black and gray wires to the negative termi-
nalofthetoggleswitch(35).Connectredandyellow
wires to the positive terminal.
A. Leaking, cracked, or damaged leak detection
tank.
D. Thered/whiteandredwires tothepositivetermi-
nal of the valve solenoid (18). Connect black wires
to the negative terminal.
B. Wornor leaking hydraulic hoses.Replace ifnec-
essary.
C. Visibly worn or damaged parts.
E. The connector with yellow and gray wires to the
oil level sensor (23).
Assembly (Fig. 88)
10.
Chapter 7 -- Electrical System).
Verify leak detector operation (see Leak Detector in
1.
Coat all O--rings with clean hydraulic oil.
Hydraulic System (Rev. I)
Page 4 -- 120 Greensmaster 3250--D
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| Tags | Toro Greensmaster 3250 D |
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| Document Type | Service Manual |
| Language | English |
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