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Reelmaster 3550−DHydraulic System Page 4 − 38
7. Verify with a phototach that the pump speed is ap-
proximately 3090 RPM.
CAUTION
Use extreme caution when performing wheel mo-
tor tests. The wheel motors will be trying to move
the machine forward.
8. Sit in the operators seat, release the parking brake,
and set the Mow/Transport slide to the transport posi-
tion.
9. Slowly depress forward traction pedal until 1000 to
1500 PSI (68.9 to 103.4 Bar) is displayed on the pres-
sure gauge.
Flow meter should read less than 1.5 GPM (5.7
LPM).
10.Release traction pedal, shut engine off, and record
test results.
11.Rotate each front wheel 120 degrees and retest. Re-
peat this procedure until each wheel motor has been
tested in three (3) different positions.
Proceed to testing rear wheel motor If test results are
within specification. If specifications are not met, test
front wheel motors individually as follows:
12.Disconnect hydraulic lines from front wheel motor
that is not being tested. Cap disconnected hydraulic
lines and plug ports in wheel motor to prevent contami-
nation.
13.Chock front wheel being tested to prevent wheel ro-
tation.
14.Start engine. Move throttle to full speed.
CAUTION
Use extreme caution when performing wheel mo-
tor tests. The wheel motors will be trying to move
the machine forward.
15.Sit in the operators seat, release the parking brake,
and set the Mow/Transport slide to the transport posi-
tion.
16.Slowly depress forward traction pedal until 1000 to
1500 PSI (68.9 to 103.4 Bar) is displayed on the pres-
sure gauge.
Flow meter should read less than 1.5 GPM (5.7
LPM).
17.Release traction pedal, shut engine off, and record
test results.
18.Rotate front wheel 120 degrees and retest. Repeat
this procedure until wheel motor has been tested in
three (3) different positions.
19.Reconnect hydraulic lines to front wheel motor and
repeat procedure for remaining front wheel motor.
20.If specifications are not met, repair or replace worn
wheel motor.