
IV
TABLE OF CONTENTS
SECTION 7 - CHECK-OUT
General................................................................7-1
Check Hydraulic Tank Fluid Level...........................7-1
CheckEngine Speed-Up Switch (Cab)....................7-2
CheckEngine Speed-UpSwitches (Body)...............7-2
Check Pack Cycle Time........................................7-3
Check Pressures..................................................7-3
Check Main Line Pressure.....................................7-4
CheckPackerAndCarrierPanelShiftPressures......7-5
Check Resistance Cartridge Pressure....................7-6
CheckPackerPanel High Pressure(Circuit)Relief...7-7
CheckAccessory (Circuit) Relief Pressure..............7-8
Check Pushout Panel Shoes.................................7-9
Check Power Take Off (PTO)..................................7-9
SECTION 8 - TROUBLESHOOTING
General................................................................8-1
Compaction..........................................................8-1
Dieseling In Hydraulic System...............................8-2
Operation Is Erratic...............................................8-3
Pump Noise Is Excessive......................................8-3
EngineWill Not Speed Up When Carrier PanelLever or
Speed Up Button Is Engaged.................................8-4
EngineSpeedUpWillNotReturnToNormalWhenPack-
ing Cycle Is Complete or Speed Up Button Is Re-
leased..................................................................8-4
PackerPanel Valve SectionShiftsToo Slow.............8-4
Carrier Panel Valve Section Shifts To Neutral Too
Soon....................................................................8-5
PackerPanel Valve Section Will Not Shift................8-5
CarrierPanelValve Section WillNotShiftTo Neutral.8-5
Packer/CarrierPanelsDoNotDeliverFullForceToPack
Load Into Body.....................................................8-5
LoudSquealing NoiseWhen ManuallyRetractingTele-
scopic Cylinder.....................................................8-6
Load Will Not Push Out.........................................8-6
Pushout Panel Slides Forward Too Fast While Packing
Refuse..................................................................8-6
PushoutPanelWill Not SlideForwardAutomatically.8-6
CarrierAnd Packer PanelsStopShortOfHomePosition
After Each Cycle..................................................8-6
Packer Panel Drifts Open While Packing Load Into
Body....................................................................8-7
Cycle Time Too Slow.............................................8-7
Tailgate Will Not Raise..........................................8-7
Container Won’t Lift..............................................8-8
Winch Motor Leaking............................................8-8
Container Raises Very Slowly................................8-8
Description Of Hydraulic System............................8-9
System Component Nomenclature.........................8-9
Neutral.................................................................8-10
PackerPanel SweepsBackOver Load..................8-11
CarrierAnd Packer Panels Move Down To Interrupted
Cycle Position......................................................8-12
PackerPanel SweepsHopper...............................8-13
Packing Refuse....................................................8-14
Raising Tailgate....................................................8-15
SECTION 8 Continued
Ejecting Load.......................................................8-17
Retracting Pushout Panel.....................................8-18
LoweringTailgate..................................................8-19
SECTION 9 - SERVICE AND REPAIR
General................................................................9-1
Description Of Operating Cylinders.........................9-1
Test For Leaking Packer Panel Cylinders................9-2
Test For Leaking Carrier Panel Cylinders.................9-4
RemovalOf PackerPanel Cylinders........................9-7
RemovalOf CarrierPanel Cylinders........................9-9
DisassemblyOf Operating Cylinders......................9-11
Reassembly And Installation Of Operating Cylin-
ders.....................................................................9-12
Description Of Packer Panel.................................9-12
BearingReplacement............................................9-12
RollerReplacement/Shimming...............................9-13
Description Of Tailgate Lift Cylinders.....................9-15
TestFor LeakingTailgateLiftCylinders..................9-15
RemovalOfTailgate LiftCylinders.........................9-16
DisassemblyOfTailgate Lift Cylinder.....................9-17
Inspection,ReassemblyAndInstallationOfTailgateLift
Cylinders..............................................................9-17
DescriptionOfTailgateAssembly...........................9-18
RemovalOfTailgateAssembly...............................9-18
InspectionOfTailgate............................................9-19
ReassemblyAnd InstallationOfTailgate................9-19
Front Control Valve...............................................9-20
Removal Of Front Control Valve............................9-20
Disassembly And Inspection Of Front Control
Valve....................................................................9-20
ReassemblyOf FrontControl Valve.......................9-21
ReinstallationOf Front Control Valve......................9-22
Main Control Valve................................................9-23
RemovalOf MainControl Valve.............................9-24
DisassemblyAnd Inspection Of MainControlValve.9-25
ReassemblyOf Main Control Valve........................9-25
RemovalOfTelescopic Cylinder.............................9-26
Telescopic CylinderPacking Replacement.............9-27
Telescopic CylinderDisassembly...........................9-28
Description Of Pushout Panel...............................9-29
WearBlock Replacement......................................9-29
Removal Of Pushout Panel...................................9-30
Installation Of Pushout Panel................................9-31
DescriptionOf CarrierAnd Packer Panels..............9-32
Removal Of Packer Panel.....................................9-33
InspectionAndReplacement Of PackerPanel........9-34
ReplacementOf Packer Edge...............................9-35
Installation Of Packer Panel..................................9-35
Carrier Panel........................................................9-36
RemovalOf CarrierPanel......................................9-36
InspectionAnd ReplacementOfCarrier Panel........9-37
InstallationOf CarrierPanel...................................9-37
TrackBar Replacement.........................................9-37
DescriptionOf HydraulicPump..............................9-38
RemovalOf HydraulicPump..................................9-38