Charge Hydraulic System
Note:
When initially starting the hydraulic system with
9. After the hydraulic system starts to show signs of fill,
actuate lift control lever until the lift cylinder rod moves
in and out several times. If the cylinder rod does not
move after 10 to 15 seconds, or the pump emits abnor-
mal sounds, shut the engine off immediately and deter-
mine cause or problem. Inspect for the following:
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.
IMPORTANT: Change hydraulic oil filter whenever
hydraulic components are repaired or replaced.
A. Loose filter or suction lines.
B. Loose or faulty coupler on the pump.
C. Blocked suction line.
1.
Park machine on a level surface, and turn the engine
off.
2.
ponents are secured tightly.
Make sure all hydraulic connections, lines, and com-
D. Faulty charge relief valve.
E. Faulty charge pump.
3.
Ifcomponentfailurewassevereorthesystemiscon-
taminated, flush and refill hydraulic system and tank
(see Flush Hydraulic System).
10.Adjust
just Traction Drive for Neutral).
traction pedal to the neutral position (see Ad-
4.
if necessary (see Check Hydraulic System Fluid).
Make sure hydraulic reservoir is full. Add correct oil
11.
Check Interlock System in Chapter - 5, Electrical Sys-
tems).
Check operation of the traction interlock switch (see
5.
Disconnectelectricalconnectorfromrun(ETR)sole-
noid.
12.If
the traction pump or a wheel motor was replaced
or rebuilt, run the traction unit so all wheels turn slowly
for 10 minutes.
6.
Make sure traction pedal and the lift control lever are
in the neutral position. Turn ignition key switch; engage
starter for fifteen (15) seconds to the prime pump. Allow
starter to cool and then repeat this step again.
13.Operate
traction unitby gradually increasing itswork
load to full over a 10 minute period.
7.
8.
neutral. Start engine and run it at low idle of 1150 rpm.
The charge pump should pick up oil and fill the hydraulic
system. If there is no indication of fill in 30 seconds, stop
the engine and determine the cause.
Connect electrical connector to run (ETR) solenoid.
Make sure traction pedal and lift control lever are in
14.Stop
Check hydraulic components for leaks and tighten any
loose connections.
the machine. Check tank and fill if necessary.
Reelmaster 6500-D/6700-D
Page 4 - 51 Rev. F
Hydraulic System
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
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| Tags | Toro Reelmaster 6500-D, Toro Reelmaster 6700-D |
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| Document Type | Service Manual |
| Language | English |
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| Product Type | Walk Behind Mower |
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