Traction Circuit Charge Pressure Test - Toro GroundsmasterR 4300-D Service Manual

Traction Circuit Charge Pressure Test

TO MOW CONTROL
(FRONT CUTTING UNITS)
TO MOW CONTROL
(REAR CUTTING UNITS)
PISTON
(TRACTION)
PUMP
The traction circuit charge pressure test should be per-
formed to make sure that the traction charge circuit is
functioning correctly.
Procedure for Traction Circuit Charge Pressure Test
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine under load for
approximately ten (10) minutes.
2. Park machine on a level surface with the cutting
decks lowered and PTO switch off. Make sure engine is
off. Apply the parking brake.
Hydraulic System
TO STEERING CONTROL VALVE AND CHARGE CIRCUIT
TO LIFT CONTROL MANIFOLD
GEAR
PUMP
BYPASS
VALVE
PRESSURE
GAUGE
OIL FILTER
REMOVED
Figure 36
3. Read Precautions For Hydraulic Testing in this sec-
tion.
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.
Page 4 - - 36
CROSSTRAX
MANIFOLD
FROM STEERING CONTROL VALVE
CAUTION
Groundsmaster 4300--D