Procedure for Reel Motor Case Drain Test:
5. Install flow tester with pressure gauges in series with
the motor and the disconnected return hose. Make sure
the flow control valve on the tester is fully open.
NOTE: Over a period of time, a reel motor can wear in-
ternally. A worn motor may by–pass oil to its case drain
causing the motor to be less efficient. Eventually,
enough oil loss will cause the reel motor to stall under
heavy cutting conditions. Continued operation with a
worn, inefficient motor can generate excessive heat,
cause damage to seals and other components in the hy-
draulic system, and affect quality of cut.
6. Make sure backlap knob on the valve block is in the
mow position.
7.
Clean hose fitting and disconnect case drain hose
from the manifold block (see table). Plug the manifold
port.
NOTE: One way to find a possibly bad reel motor is to
have another person observe the machine while mow-
ing in dense turf. A bad motor will run slower, produce
fewer clippings, and may cause marcelling (or a wash-
board appearance) on the turf.
CAUTION
Keep away from reels during test to prevent per-
sonal injury from the rotating reel blades.
1.
Make sure hydraulic oil is at normal operating tem-
perature by operating the machine for approximately 10
minutes. Make sure the hydraulic tank is full.
8.
One person should sit on the seat and operate the
machine while another person holds the hose and reads
the tester. Start engine and move the throttle to full
speed (3200 + 50 RPM).
2.
Park machine on a level surface with the cutting units
lowered. Make sure engine is off and the parking brake
is engaged.
9.
Engage cutting units by pulling the reel engage knob
on the instrument panel out. While watching pressure
gauges, slowly close flow control valve until a pressure
of 1200 PSI is obtained.
3.
Read Precautions For Hydraulic Testing.
CAUTION
10.Collect
drain hose into 1 quart container graduated in ounces (1
liter container graduated in milliliters).
hydraulic fluid for 15 seconds by putting case
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil.
11.After 15 seconds, push knob on the instrument panel
in to disengage cutting units. Stop the engine.
12.Measure
the amount of oil collected in the container.
Motor
Manifold Port
(Case Drain)
Manifold Port
(Motor Return)
Divide the number of ounces collected by 32 to get gal-
lons per minute. (divide the number of milliliters col-
lected by 250 to get liters per minute). See chart in
Figure 30.
Position
Right Hand
Left Hand
Rear
D1
D2
D3
M1
M3
M6
13.If
flow was greater than 0.7 GPM (2.6 LPM), repair
or replace the reel motor as necessary.
4.
nection and disconnect return hose from motor to man-
ifold (see table).
On the suspected bad reel motor, clean hose con-
14.Disconnect tester from motor and hose. Reconnect
hose to the motor.
15.Remove
cap from manifold port. Reconnect case
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.
drain hose to the manifold block.
Reelmaster 2000–D
Page 4 – 37
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Reelmaster 2000-D |
| Download File |
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| Document Type | Service Manual |
| Language | English |
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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