Traction Circuit Relief Valve (R3) and (R4) Pressure Test
TO STEERING CONTROL VALVE AND CHARGE CIRCUIT
TO MOW CONTROL
(FRONT CUTTING UNITS)
TO LIFT CONTROL MANIFOLD
TO MOW CONTROL
(REAR CUTTING UNITS)
FORWARD (R3) RELIEF
VALVE TEST SHOWN
GEAR
PUMP
BYPASS
VALVE
CROSSTRAX
MANIFOLD
PISTON
(TRACTION)
PUMP
FROM STEERING CONTROL VALVE
Figure 32
The traction circuit relief pressure test should be per-
formed to make sure that forward and reverse traction
circuit relief pressures are correct.
CAUTION
Procedure for Traction Circuit Relief Valve (R3) and
(R4) Pressure Test
Before opening hydraulic system, operate all hy-
draulic controls to relieve system pressure and
avoid injury from pressurized hydraulic oil. See
Relieving Hydraulic System Pressure in the Gen-
eral Information section of this chapter.
1.
Make sure hydraulic oil is at normal operating tem-
perature by operating the machine under load for
approximately ten (10) minutes.
4.
Locate traction circuit test port for direction to be
tested.Forwardtestportislocated onhydraulic tubebe-
tween front wheels (Fig. 33). Reverse test ports are lo-
cated on AWD hydraulic manifold (Fig. 34). Thoroughly
clean test port.
2.
Drive machine to an open area. Park machine on a
level surface with the cutting decks lowered and PTO
switch off. Make sure engine is off. Apply the parking
brake.
3.
Read Precautions For Hydraulic Testing in this sec-
tion.
Hydraulic System
Page 4 -- 34
Groundsmaster 4300--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4300 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)