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RITE-HITE Hydra-Rite RHH-4000 - User Manual

RITE-HITE Hydra-Rite RHH-4000
60 pages
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RHH-4000 Hydra-Rite
TM
/ Base
Dock Leveler
Owners Manual
This Manual Covers Dock Levelers Built After Serial Numbers:
13GD480708M and up
PRINTED IN U.S.A.
RITE-HITE PRINT SHOP
PUBLICATION NO. 1210
APRIL 2016
MADE IN U.S.A.
part of the SMOOTH TRANSITION DOK SYSTEM
TM
RHH HYDRA-RITE
TM
Dock Leveler Shown

Questions and Answers

  • C
    Charles IngramAug 1, 2025
    How to troubleshoot a RITE-HITE Hydra-Rite RHH-4000 Lifting Systems platform that does not raise?
    • T
      Tyrone HumphreyAug 1, 2025
      If the RITE-HITE Lifting Systems platform isn't raising, here's what you should check: * Confirm that the power hasn't been disconnected and that the circuit breaker or fuses haven't tripped. * Ensure the motor is wired correctly according to the motor wiring diagram. * Push the RESET button on the overload relay. * Inspect for and remove any debris around the leveler. * Check the hydraulic fluid level with the unit held open and refill if needed.
  • A
    Adrienne StoneAug 6, 2025
    What to do if RITE-HITE Hydra-Rite RHH-4000 Lifting Systems platform does not lower?
    • A
      Andrew FreemanAug 6, 2025
      If your RITE-HITE Lifting Systems platform isn't lowering, here's what you can do: * Try raising the unit to unlock the velocity fuse. * Inspect the leveler for any debris and remove it.
  • J
    Julie AndersonAug 9, 2025
    Why is the RITE-HITE Lifting Systems platform raising very slowly?
    • P
      Paul BakerAug 10, 2025
      If your RITE-HITE Lifting Systems platform is raising very slowly, consider the following: * Remove any weight from the platform. * Check the hydraulic fluid level with the unit held open by the maintenance support, and refill if necessary. * Verify the voltage is within ± 10% of the nominal voltage while the unit is running. * If none of the above steps work, the power unit assembly may need to be replaced.
  • T
    tleeAug 14, 2025
    Why does the fuse or circuit breaker trip in RITE-HITE Hydra-Rite RHH-4000 Lifting Systems?
    • H
      Hannah LopezSep 12, 2025
      If the fuse or circuit breaker trips for your RITE-HITE Lifting Systems, verify the following: 1. Confirm you are using the correct fuse or circuit breaker size (20 amp for 120VAC and 15 amp for 240VAC). 2. Ensure the voltage is within ± 10% of the nominal voltage while the unit is running. 3. Check the wiring connections for any short circuits. 4. Verify that the wire gauge is correct for the distance, referencing the chart on page 22.
  • R
    reneesandovalAug 18, 2025
    What to do if the lip extends slowly or not at all on RITE-HITE Hydra-Rite RHH-4000?
    • M
      Malik RobinsonAug 18, 2025
      If the lip on your RITE-HITE Lifting Systems extends slowly or not at all: * Remove any debris from the lip hinge. * Lubricate the lip per maintenance procedures, or replace the lip if it's impacted or bent. * Check the hydraulic fluid level when the unit is held open with the maintenance support and refill if necessary.
  • G
    gallegoslauraAug 22, 2025
    How to fix a RITE-HITE Hydra-Rite RHH-4000 Lifting Systems lip that does not store properly?
    • A
      Amber GeorgeAug 23, 2025
      If the lip on your RITE-HITE Lifting Systems doesn't store properly, you should: * Check the lip stop bolt adjustment. * Remove any debris that may be obstructing the lip. * Inspect and repair or replace the lip supports if necessary.
  • C
    Courtney WoodAug 27, 2025
    What causes a RITE-HITE Hydra-Rite RHH-4000 Lifting Systems leveler to run continuously?
    • Z
      Zachary RollinsAug 27, 2025
      If the leveler runs continuously on your RITE-HITE Lifting Systems, the pushbutton, contact block, or motor contactor may be damaged. Repair or replace these components.

Summary

SAFETY WARNINGS

Lockout;Tagout Procedures

Procedures for safely de-energizing equipment before maintenance.

General Safety Definitions

Explains DANGER, WARNING, CAUTION, and IMPORTANT safety levels.

Operational Safety Warnings

Critical safety instructions for operating the dock leveler.

Safety Devices

Instructions for using safety devices like Safe-T-Strut.

OWNER RESPONSIBILITY

Owners Duties and Training

Outlines owner's responsibilities for safe operation and maintenance.

OPERATION INSTRUCTIONS

Normal Operation

Steps for raising and lowering the dock leveler during normal use.

Below Dock Loading Operation

Instructions for operating the leveler for below dock loading.

End Loading Operation

Procedures for end loading operations at dock level or above.

Storing the Leveler

How to properly store the dock leveler when not in use.

MAINTENANCE PROCEDURES

Suggested Leveler Maintenance Schedule

Daily, 90-day, and 360-day maintenance tasks for the dock leveler.

Hydraulic System Maintenance

Procedures for inspecting and maintaining hydraulic components.

HYDRAULIC LEVELER ADJUSTMENTS

ARTD Limit Switch Adjustment

Adjusting the Automatic Return to Dock (ARTD) limit switch.

Shuttle Valve Adjustment

Adjusting the shuttle valve for proper leveler descent speed.

Sequence Valve Adjustment

Adjusting the sequence valve for proper lip extension control.

HYDRAULIC POWERED LEVELER TROUBLESHOOTING

Common Leveler Problems and Solutions

Troubleshooting guide for common issues like platform not raising or lip not extending.

HYDRAULIC SCHEMATICS

Haldex Power Unit Schematic

Diagram of hydraulic system for Haldex power units.

Bucher Power Unit Schematic

Diagram of hydraulic system for Bucher power units.

ELECTRICAL WIRING CHARTS

Motor Connection Detail and FLA Ratings

Charts for motor FLA ratings and wire size based on load and length.

REPLACEMENT PARTS - BASE UNIT

Base Unit Parts Identification

List of replacement parts for the base unit with part numbers.

TYPE 1 CONTROL BOX PARTS

Control Box Components List

List of parts for the Type 1 control box.

REPLACEMENT PARTS - HYDRA-RITE UNIT

Hydra-Rite Unit Parts Identification

List of replacement parts for the Hydra-Rite™ unit.

HYDRAULIC REPLACEMENT PARTS - HYDRA-RITE (HALDEX POWER UNIT)

Haldex Power Unit Parts List

Replacement parts for the Hydra-Rite™ with Haldex power unit.

HYDRAULIC REPLACEMENT PARTS - BASE (HALDEX POWER UNIT)

Base Haldex Power Unit Parts

Replacement parts for the Base unit with Haldex power unit.

HYDRAULIC REPLACEMENT PARTS - HYDRA-RITE (BUCHER POWER UNIT)

Bucher Power Unit Parts List

Replacement parts for the Hydra-Rite™ with Bucher power unit.

HYDRAULIC REPLACEMENT PARTS - BASE (BUCHER POWER UNIT)

Base Bucher Power Unit Parts

Replacement parts for the Base unit with Bucher power unit.

AUTOMATIC RETURN TO DOCK PARTS - HYDRA-RITE

ARTD Parts for Hydra-Rite

Replacement parts for the Automatic Return to Dock feature.

ENDLOAD LEG OPTION PARTS

Endload Leg Components

Parts list for the endload leg option.

SAFE-T-LIP (2-3-2) ASSEMBLY PARTS

Safe-T-Lip Assembly Components

Parts for the Safe-T-Lip (2-3-2) assembly.

REPLACEMENT PARTS - ELECTRICAL

Electrical Component Parts List

List of electrical replacement parts and their part numbers.

RITE-HITE STANDARD WARRANTY

Warranty Terms and Limitations

Details of the standard warranty, coverage, and liability limitations.

RITE-HITE Hydra-Rite RHH-4000 Specifications

General IconGeneral
BrandRITE-HITE
ModelHydra-Rite RHH-4000
CategoryLifting Systems
LanguageEnglish

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