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Reelmaster 5010 SeriesHydraulic System (Rev. C) Page 4 -- 44
Reel Drive Motor Efficiency Test
(Using Tester with Pressure Gauges and Flow Meter)
High Pressure
Low Pressure
Flow
Outlet Hose
Case Drain Hose
Case Drain
Install tester in series
between fitting and hose at
motor outlet.
NOTE: Outlet is rear hose.
MOW CONTROL
M4
R11
R11
M1
R11
R11
M5
R11
R11
M2
BKLP2
MANIFOLD
MEASURING
CONTAINER
Disconnect case drain
hose at traction unit
bulkhead
TESTER
Front
Hose
Rear
Hose
Front
Hose
Front
Hose
Rear
Hose
FRONT OF MACHINE
RM5510/5610 FRONT MOW CIRCUIT SHOWN
Figure 41
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,
causedamage tosealsand othercomponents inthehy-
draulic system and affect quality of cut.
NOTE: One way to find a faulty reel motor is to have
another person observe the machine while mowing in
dense turf. A faulty motor will run slower than other mo-
tors, produce fewer clippings andmay cause clip marks
(a choppy appearance) on the turf.
Procedure for Reel Drive Motor Efficiency
Test
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine under load for
approximately ten (10) minutes.
2. Determine which reel motor is malfunctioning.
3. Parkmachine ona levelsurfacewiththecuttingunits
loweredand PTOs witch off.Make sureengine isoffand
mow/transport lever is in mow. Apply the parking brake.
4. Read Precautions For Hydraulic Testing in this sec-
tion.