Removal (Fig. 53)
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
3. Install gear pump to piston pump (see Gear Pump
Installation).
1.
4. Position traction rod to control arm on piston pump
by installing cap screw, spacer and lock nut (Fig. 54).
2.
removal, thoroughly clean exterior of pump assembly.
To prevent contamination of hydraulic system during
5. Connect wire harness connector toneutral switch on
traction pump.
3.
pump by removing lock nut, spacer and cap screw (Fig.
54).
Remove traction rod from control arm on piston
6. Remove plugs or caps from disconnected hydraulic
hoses and open ports of the pump assembly. Install fit-
tings and hoses to correct location on gear and piston
pumps (see Hydraulic Hose and Tube Installation in the
General Information section of this chapter).
4.
switch on piston pump.
Disconnect wire harness connector from neutral
7.
rect oil.
Install new filter and fill hydraulic reservoir with cor-
5.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
8. Disconnect engine run solenoid electrical connector
to prevent engine from starting. Prime pumps by turning
ignition key switch to crank engine for 10 seconds. Re-
peat cranking procedure again.
6.
connect to gear pump and piston pump.
Forinstallationpurposes,labelallhydrauliclinesthat
7.
Put a drain pan below the pump assembly. Remove
9.
start the engine and check for proper operation.
Connect engine run solenoid electrical connector,
hydraulic hoses and fittings connected to piston and
gear pumps. Putplugs orcaps on disconnected hydrau-
lic hoses to prevent contamination of the system. Put
plugs in open ports of pumps.
10.Properly fill hydraulic system (see Charge Hydraulic
System in this section).
NOTE: If fuel tank is loosened and raised from the ma-
chine, the gear pump and piston pump can be removed
as a complete assembly.
11.Stop engine and check for hydraulic oil leaks. Check
hydraulic reservoir oil level.
8.
Removal in this section).
Remove gear pump from machine (see Gear Pump
5
4
3
1
2
6
9.
Support the piston pump to prevent it from falling
while removing two (2) cap screws and washers retain-
ing pump assembly to engine flywheel plate. Carefully
pull pump assembly from flywheel plate and raise it out
of the machine.
Installation (Fig. 53)
8
1.
Carefully lower piston pump into the machine, align
7
pump input shaft to spring coupler on engine and posi-
tion it to the engine flywheel plate. Support pump to pre-
vent it from producing any side load into coupler and
also to align pilot diameter of pump to flywheel plate
bore.
Figure 54
1.
2.
3.
4.
Piston pump
Cap screw
Pump control arm
Spacer
5.
6.
7.
8.
Lock nut
Jam nut
Traction rod
Rod end
2.
While maintaining pump alignment with spring cou-
pler and flywheel plate, install two (2) cap screws and
washers tosecurepistonpumptoengine flywheelplate.
Torque screws from 79 to 84 ft--lb (108 to 113 N--m).
Groundsmaster 4000--D
Page 4 -- 75
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 30412, Toro Groundsmaster 4000 D |
| 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)