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Troubleshooting
337
Pump
The pump is operated by a button switch located on the control panel. When it is engaged, the switch
turns green.
Three conditions must be met for the pump to engage and the switch to turn green:
Air pressure must be at approximately 70 PSI
Engine speed must be lower than 900 RPM
Emergency S
TOP
button (red) must be pulled out
Air pressure condition is verified by a pressure switch, and engine speed, by the transmission control
module (TCM).
If the pump does not engage when the pump switch is turned on, it may be related to a voltage supply
problem in the pump circuitry.
The following test will help resolve pump-related problems. Prior to the test, ensure that all these
conditions are met:
Parking brake applied
Engine is running (idle speed)
Arm does not respond to
joystick (assuming that the
pump switch is ON)
Cut off or defective power
cables
Follow wires on the electrical
schematic for 12-volt supply (move
joystick to get signal).
Faulty joystick
Contact Labrie
Plus
.
Packer moves forward but
stops at end of stroke
Packer wear pads are worn out Replace wear pads (see
Packer extend proximity switch
needs adjustment
Adjust packer extend proximity
switch.
Packing is insufficient
Low hydraulic pressure
Adjust hydraulic pressure. Call
Labrie
Plus
for support.
Packer proximity switches are
not properly set up
Verify and adjust packer proximity
switches (see
Loss of pressure due to leak
inside cylinder
Perform a cylinder leak test (see
Detecting Cylinder Internal Leaks
Optional regeneration valve
malfunctioning
Inspect regen valve and/or adjust
pressure (see
Problem
Possible causes
Solution
Содержание EXPERT
Страница 1: ...EXPERT TM MAINTENANCE MANUAL...
Страница 2: ......
Страница 3: ...EXPERT MAINTENANCE MANUAL...
Страница 10: ...viii Table of Contents...
Страница 18: ...8 Introduction...
Страница 244: ...234 General Maintenance...
Страница 251: ...Lubrication 241 Figure 4 11 Glass compartment lubrication chart optional...
Страница 252: ...242 Lubrication Figure 4 12 EXPERT lubrication chart...
Страница 261: ...Lubrication 251 Figure 4 27 Packer lubrication points 2 Grease fitting LH side front cylinder pin...
Страница 263: ...Lubrication 253 Pump Drive Shaft U Joint Figure 4 30 Pump drive shaft lubrication points Grease fittings...
Страница 264: ...254 Lubrication...
Страница 320: ...310 Hydraulic System...
Страница 357: ...Troubleshooting 349...
Страница 358: ...350 Troubleshooting...
Страница 386: ...378 Multiplexing...
Страница 388: ...380 Lifting Arms Figure 10 1 Mounting bolts Figure 10 2 Wear pads Figure 10 3 Helping Hand gripper...