7-4 Publication: 0028607
TROUBLESHOOTING
7
Boom Boom not functioning Work mode not enabled,
still in road mode
• Enable WORK and VAC modes.
• Use alternate controls — joystick,
pendant, or screen backup
controls.
No hydraulic pressure See “Hydraulics” function in this table.
Pinched, plugged, or
broken hydraulic hose
Electrical issue See Table 7-2: Electrical
Troubleshooting.
Vacuum system Vacuum pump does not
draw vacuum
Vacuum pump not
engaged
• Enable WORK and VAC modes.
• Verify that the transfer case has
shifted.
Transmission not enabled Shift the transmission into D drive.
Vacuum relief door open
Close the vacuum relief door.
Float ball stuck closed Free and clean the float ball.
Float ball is closed Dump load or perform debris water
compaction function.
Debris level sensor
shows body full of
material (liquid or solids)
Intake hose restricted or
plugged
Remove obstructions from hose.
Filter plugged Clean or replace filter.
Ducting in body plugged
or filled with material
Clean ducts.
Debris body raised Lower body fully down.
Inspection doors open
Close doors.
Ejector plate is not in
home position
Place truck in dump mode and move
the ejector plate back to the home
position.
Home proximity switch
not sensing it is fully
retracted
• Proximity bracket out of
adjustment.
• Proximity switch is defective.
• See Table 7-2: Electrical
Troubleshooting.
Table 7-1: Mechanical Troubleshooting (Continued)
Function Symptom Probable Cause Solution
To Next Page
Loading...