Removal
Installation
1.
stop engine, engage parking brake, and remove key
from the ignition switch.
Park machine on a level surface, lower cutting units,
1. Lubricate new o--rings with clean hydraulic oil and
position on pump.
2.
Slide coupler onto the piston pump output shaft.
2.
to gear pump.
Raise seat and secure it with prop rod to gain access
3.
Position o--rings and spacer to gear pump. Align
gear teeth and slide gear pump input shaft into coupler.
Secure gear pump to piston pump with two (2) cap
screws and washers.
3.
al).
Drain the hydraulic reservoir (see Operator’s Manu-
To prevent contamination of hydraulic system during
4.
removal, thoroughly clean exterior of pump and fittings.
4. Remove caps or plugs from hydraulic lines and fit-
tings. Install lines to gear pump.
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
5. Replace hydraulic filter and fill hydraulic reservoir
with new hydraulic oil.
6.
Disconnect engine run solenoid electrical connector
6.
or plugs on open hydraulic lines and fittings. Label dis-
connected hydraulic lines for proper reassembly.
Disconnect hydraulic lines from pump and put caps
to prevent engine from starting. Prime the hydraulic
pumpbyturningtheignitionkeyswitchtostartandcrank
the engine for 10 seconds. Repeat cranking procedure
again.
7.
Support gear pump assembly to prevent it from fal-
ling.
7. Connect engine run solenoid electrical connector,
start the engine and check for proper operation.
8.
Remove two (2) cap screws and washers securing
gear pump to piston pump. Remove gear pump, cou-
pler, spacer, and o--rings from machine.
8. Properly fill hydraulic system (see Charge Hydraulic
System).
9.
Stop engine and check for hydraulic oil leaks. Check
hydraulic reservoir oil level.
Groundsmaster 4000--D
Page 4 -- 53
Hydraulic System (Rev. B)
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
|---|---|
| Tags | Toro Groundsmaster 4000 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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