Charge Hydraulic System
NOTE: When initially starting the hydraulic system with
new or rebuilt components such as motors, pumps or lift
cylinders, it is important that the hydraulic system be
charged properly. Air must be purged from the system
and its components to reduce the chance of damage.
10.Make sure traction pedal and lift control lever are in
neutral. Start engine and run at low idle speed (1400 +
50RPM).Thecharge pumpshould pickup oiland fillthe
hydraulic system. If there is no indication of fill in 30 se-
conds, stop the engine and determine the cause.
IMPORTANT: Change hydraulic oil filter whenever
hydraulic components are repaired or replaced.
11.After the hydraulic system starts to show signs of fill,
actuate lift control lever until the lift cylinders moves in
and out several times. If the cylinders do not move after
1.
Park machine on a level surface and turn engine off.
10
to 15 seconds or the pump emits abnormal sounds,
shut the engine off immediately and determine cause or
problem. Inspect for the following:
2.
Make sure all hydraulic connections, lines and com-
ponents are secured tightly.
Ifcomponentfailurewassevereorthesystemiscon-
A. Loose filter or suction lines.
B. Incorrect hose routing.
3.
taminated, flush and refill hydraulic system and tank
(see Flush Hydraulic System).
C. Blocked suction line.
4.
Makesurehydraulic tankisfull.Addcorrectoilifnec-
essary (see Traction Unit Operator’s Manual).
D. Faulty charge relief valve.
E. Loose or faulty coupler on the pump.
F. Faulty charge pump (gear pump P2).
5.
Check control cable to the hydrostat for proper ad-
justment, binding or broken parts.
6.
gine from starting.
Disconnect fuel stop solenoid lead to prevent the en-
12.If
step 13.
lift cylinders move in 10 to 15 seconds, proceed to
7.
Make sure traction pedal and the lift control lever are
13.Operate
directions. The wheel off the floor should rotate in the
proper direction.
thetractionpedalintheforwardandreverse
in the neutral position. Turn ignition key switch and en-
gage starter for ten (10) seconds to prime the traction
and gear pumps. Wait fifteen (15) seconds to allow the
starter motor to cool and then repeat cranking proce-
dure again.
A. If the wheel rotates in the wrong direction, stop
engine, remove lines from rear of hydrostat pump
and reverse the connections.
8.
Reconnect fuel stop solenoid lead.
B. If the wheel rotates in the proper direction, stop
engine.
WARNING
14.Adjust
traction pedal to the neutral position (see
Beforejackingupthemachine,reviewandfollow
Jacking Instructions in Chapter 1 -- Safety.
Traction Unit Operator’s Manual).
15.Check
operation of the traction interlock switch (see
Check Interlock System in Chapter 5 -- Electrical Sys-
tem).
9.
Raise one front wheel off the floor and place support
blocks under the frame. Chock remaining front wheel to
prevent movement of the machine.
16.Lower
wheel.
machine to ground. Remove chock from front
CAUTION
17.If
or rebuilt, run the traction unit so all wheels turn slowly
for 10 minutes.
the traction pump or a wheel motor was replaced
One front wheel will be off the ground. Make sure
machine is supported so it will not move and ac-
cidentally fall to prevent injuring anyone under
machine.
18.Operate
load to full over a 10 minute period.
traction unitby gradually increasing itswork
19.Stop
the machine. Check hydraulic oil level and ad-
justifnecessary.Checkhydrauliccomponentsforleaks.
Tighten any loose connections.
Groundsmaster 3505--D
Page 4 -- 53 Rev. B
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 3505 D |
| Download File |
|
| Document Type | Service Manual |
| 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)