Marathon RJ-88SC, RJ-250VL, RJ-100SC, RJ-250SC TROUBLE-SHOOTING Chart, Problem Cause Solution

Page 28

2 MAINTENANCE

TROUBLE-SHOOTING CHART

2-15

 

 

PROBLEM

CAUSE

SOLUTION

UNIT WILL NOT START

( 1) No electrical power to unit

( 1A) Turn on main disconnect

 

 

( 1B) Replace fuses or reset breakers

 

( 2) No electrical power to control

( 2A) Check primary and secondary

 

circuit

sides of transformer

 

 

( 2B) Check for correct voltage. Check

 

 

control fuses.

 

 

( 2C) Check stop button

 

 

( 2D) Check start button to be sure con-

 

 

tact closes when depressed

 

( 3) No electrical power to motor

( 3A) Check heater resets

U N I T W I L L N O T C O N T I N U E R U N N I N G

( 1) Motor starter is in-operative

( 1A) Check motor starter coil & wiring

WHEN START BUTTON IS RELEASED

( 2) Motor starter auxiliary contacts are inop-

( 2A) Check motor starter contacts and

 

erative

wiring

 

( 3) Reverse Button is inoperative

( 3A) Check reverse button to be sure

 

 

contacts are closed

 

 

( 3B) Check wiring

 

( 4) Secondary contact on start button

( 4A) Check contact, wired black and

 

is inoperative

orange, to be sure it is operating

 

 

properly

 

 

( 4B) Check wiring

MOTOR RUNS BUT RAM DOES NOT MOVE

( 1) Insufficient oil in reservoir

( 1A) Fill reservoir with oil

NORMALLY

( 2) Low relief pressure

( 2A) Check relief pressure (refer to

 

 

PROCEDURES-HYDRAULIC PRESSURE

 

 

CHECK and PRESSURE SETTINGS for

 

 

correct pressure.

 

 

( 2B) Clean orifice in relief valve and

 

 

reset pressure

 

 

( 2C) Check 'O" rings on relief valve for

 

 

damage or leakage

 

( 3) Oil leakage in cylinder

( 3A) Check cylinder for bypassing

 

 

( 3B) Replace seal kit, inspect rod and

 

 

cylinder tube for scoring or nicks

 

 

( 3C) Replace cylinder

 

( 4) Defective pump

( 4A) Replace pump

 

( 5) Oil leakage from hose fittings

( 5A) Tighten hose fittings

 

( 6) Low voltage

( 6A) Check voltage

 

( 7) Pump may be driven in the wrong

( 7A) Stop immediately to prevent seizure.

 

direction of rotation

Check direction of drive rotation (prop-

 

 

er rotation direction is indicated by

 

 

arrow on motor)

 

( 8) Shaft broken, or shaft key sheared

( 8A) Visually inspect motor and pump shaft

 

 

and hub couplings for damage. Replace

 

 

if necessary.

 

( 9) Intake pipe from reservoir blocked, or oil

( 9A) Drain system. Add clean fluid of proper

 

viscosity too heavy to prime

viscosity and specifications. Filter as

 

 

recommended. Check system filter for

 

 

cleanliness.

 

( 10) Intake air leaks (foam in oil or sounds

(10A) Check intake connections. Tighten

 

like gravel in pump)

securely

 

( 11) Units shift slowly

( 11A) Flow control valve (restrictor) clogged ,

 

 

remove and clean orifice.

 

( 12) Valve response sluggish

( 12A) Contaminated oil-drain and flush

 

 

system.

 

 

( 12B) Inadequate voltage, check voltage,

 

 

check coil

 

 

( 12C) Disassemble valve and clean

 

( 13) Loose hub coupling

( 13A) Tighten set screws on hub coupling

 

 

halves

UNIT WILL NOT REVERSE

( 1) Solenoid valve is in-operative

( 1A) Check coil in solenoid valve

 

( 2) Reverse button in-operative

( 2A) Check reverse button contacts

Image 28
Contents Play IT Safe Contents Operation IntroductionSide View SpecificationsWastec PRE-OPERATION Instructions Only Authorized Personnel Should be Allowed InsideKeyed Start Switch Reverse Operator StationEmergency Stop Control Description for 88SC, 100SC, & 250SC Control Description for 250VLCase of Emergency Operating Instructions for RJ-250VL Manual Override Instructions RAM Stop Rear only RJ-250VLOptional Controls Decals for RJ-88SC, RJ-100SC, RJ-250SC, or RJ-250VL Remote Power Unit Optional Loading Configurations Dock Access Gate & HopperTHRU-THE-WALL Security ChuteHydraulic Tailgate HT Units Rear ViewMaintenance LOCK-OUT & TAG-OUT InstructionsPeriodic Maintenance Procedures Pressure SettingPressure Settings Relief SettingRAM Control Timer Adjustment Printe D Circuit Board Locate D I N Motor Control PanelMULTI-CYCLE Timer Adjustment Option Warranty and Service on MotorsCylinder Removal Instructions RAM Stop Forward OptionStandard System Operating CHARACTERISTICS, 5 hp & 10 hp Principles of OperationTailgate Seal Replacement Front ViewDoor Seal on Door Section A-ATimer Settings ChartsFuses and Circuit Breakers Wire Sizes Length SizeParts List Part DescriptionMotor Control Panel Typical Power Unit Standard 5 HP Power Unit Standard 10 HP Hydraulic Schematic Typical TROUBLE-SHOOTING Chart Problem Cause SolutionPump Makes NOISE-SOUNDS Concrete PAD Concrete PAD RequirementsContainer Guides Steel Installation Procedures Dock InstallationCHUTE-FED Installation DecalsElectrical & Hydraulic Installation Remote Power Pack InstallationElectrical Connections Pushbutton Operator StationSTART-UP Instructions Power Unit THROUGH-THE-WALL Power Unit InstallationTOP View Compactor Hauler Instructions General See the Next page for Door and Latch Operation InstructionsAuto Relatch Hauler Instructions DOOR/LATCH OperationLatch Side View Container For Optional HT Units Instructions for Using Maintenance BAR Body Between the Tailgate and the ContainerHauler Instructions Liquid Removal For Optional SL Units