Alamo MACHETE Product Service Manual page 56

TROUBLE SHOOTING - TESTING
ISOLATION TEST 1:
2.
Re-check to make sure all fluid levels are OK. The Control Valve Cover should
still be removed. Make sure that the Tractor Transmission is in Neutral and the
Park Brake is set and Holding, Test Park Brake before continuing. Make sure
that Boom and Cutting Head are resting on the ground.
3.
With the help of an assistant, One Person stand outside the Tractor in a position
to observe the Manual override control, which is 9 mm Hex head (on Later
Version, 1/2" on early models) located on each Valve Section, (See Figure 19)
The other person will operate the Joystick from the Operators Seat. If Manual
override is not moving check the electrical connections.
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FIGURE 19
4.
While the malfunction is occurring, one person should actuate the Joystick while
the other observes the manual override control for that specific function (See
Figure 19). The Manual Override control should move in relation to the move-
ment of the Joystick movement. Each Valve Section will have one of these Hex Head
Overrides.
5.
If the Manual Override control moves properly when the Joystick is moved:
Machete (Service Manual) 04/04
© 2004 Alamo Group Inc.
(Continued from previous page)
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A. The Joystick is working.
B. Wiring Harness is OK.
C. Solenoid valve(s) are working.
D. Pilot Pressure Oil is Present.
E. Valve Spools are moving.
F. Cause is most likely in Valves, Hoses or Cylinders.
Manual Override
Control use 9 mm
Hex Head Wrench
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1 2 3 4 5 6 7 8 9 0 1
1 2 3 4 5 6 7 8 9 0 1
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