Procedure for Traction Pump Flow Test:
Make sure hydraulic oil is at normal operating tem-
CAUTION
1.
perature by operating the machine for approximately 10
minutes.
Use extreme caution when taking gauge read-
ings. The front tire on the ground will be trying
to move the machine forward.
2.
Park machine on a level surface with the cutting units
lowered and off. Make sure engine is off.
14.Slowly
push traction pedal to fully forward position.
flow control valve until pressure gauge reads
3.
4.
Read Precautions For Hydraulic Testing.
15.Close
Make sure that traction pedal is adjusted to the neu-
1000
PSI. Observe flow gauge.
TESTER READING: flow approximately 13 GPM
traction pedal and turn off machine.
tral position (see Traction Unit Operator’s Manual).
5.
(see Traction Unit Operator’s Manual).
Make sure that pump drive belt is adjusted properly.
16.Release
6.
flow through the traction circuit.
Block one front traction wheel off the floor to allow
17.Disconnect
Reconnect hose to elbow connection.
tester from elbow connection and hose.
7.
machine.
Chock remaining wheels to prevent movement of the
NOTE: If pressure is good under no load, but drops be-
low specification when under traction load, the piston
pump and/or wheel motor(s) should be suspected of
wear. When a pump and/or motor is worn or damaged,
the charge pump is not able to keep up with internal leak-
age in the traction circuit (See Test #3).
8.
and something immovable in the shop.
Attach a heavy chain to the rear of the machine frame
9.
Make sure parking brake is off.
18.If
specifications are not met, the traction pump needs
to be repaired or replaced as necessary.
CAUTION
2
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil.
10.Clean
bow connection on the top of the traction pump (Fig. 20).
hose fitting and disconnect hose from the el-
1
IMPORTANT: Make sure oil flow indicator arrow on
the flow gauge is showing that the oil will flow from
the motor through the tester and into the hose.
11.
Install flow tester with pressure gauges in series with
the motor and the disconnected hose. Make sure flow
control valve is fully open.
FRONT
12.One
person should sit on the seat and operate the
machine while another person reads the tester. Start en-
gine.
Figure 20
13.Adjust
engine speed so pump speed is 2400 RPM
1.
Traction pump
2.
Hose to traction forward
(engine speed approximately 2700 RPM). Verify pump
speed with a phototac.
Reelmaster 2000–D
Page 4 – 25
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Reelmaster 2000-D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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