RITE-HITE RHH Owner's Manual
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RITE-HITE RHH Owner's Manual

Hydra-rite base dock leveler
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RHH Hydra-Rite
This Manual Covers Dock Levelers Built After Serial Numbers:
05BD480001M and up
PRINTED IN U.S.A.
RITE-HITE
PRINT SHOP
Dock Leveler
Owners Manual
part of the SMOOTH TRANSITION DOK SYSTEM
TM
/ Base
RHH HYDRA-RITE
Dock Leveler Shown
MADE IN U.S.A.
TM
TM
PUBLICATION NO. 1210
NOVEMBER 2009

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Summary of Contents for RITE-HITE RHH

  • Page 1 RHH Hydra-Rite / Base Dock Leveler Owners Manual RHH HYDRA-RITE Dock Leveler Shown part of the SMOOTH TRANSITION DOK SYSTEM MADE IN U.S.A. This Manual Covers Dock Levelers Built After Serial Numbers: 05BD480001M and up PRINTED IN U.S.A. PUBLICATION NO. 1210...
  • Page 2 RITE-HITE ® RHH Dock Leveler Owner’s Manual NOTES Pub. No. 1210 - November 2009...

  • Page 3: Table Of Contents

    ® Your local RITE-HITE representative provides a Planned Maintenance Program (P.M.P.) which can be fitted to your ® specific operation. Call your local representative or the RITE-HITE Corporation at 414-355-2600. ® The RITE-HITE products in this manual are covered by one or more of the following U.S. patents: 5,040,258;...

  • Page 4: Safety Warnings

    RITE-HITE ® does not recommend any particular lockout device, but recommends the utilization of an OSHA approved device (refer to OSHA regulation 1910.147). RITE-HITE ® also recommends the review and implementation of an entire safety program for the Control of Hazardous Energy (Lockout/Tagout). These regulations are available through OSHA publication 3120.
  • Page 5 RITE-HITE ® RHH Dock Leveler Owner’s Manual OTHER IMPORTANT OPERATIONAL SAFETY WARNINGS Always barricade the dock leveler at ground Never be under the dock leveler platform or lip level and dock level from any form of traffic without: when maintenance is required.
  • Page 6 RITE-HITE ® RHH Dock Leveler Owner’s Manual SAFETY DEVICES Never be under the dock leveler platform or lip • Post warnings and barricades at dock level without: and at drive level to indicate that work is being done around and under the leveler •...

  • Page 7: Owner Responsibility

    RITE-HITE ® RHH Dock Leveler Owner’s Manual OWNER RESPONSIBILITY The owner should recognize the inherent danger of As with any piece of machinery, dock equipment the interface between dock and transport vehicle. requires routine maintenance, lubrication, and The owner should, therefore, train and instruct adjustments.

  • Page 8: Operation Instructions

    RITE-HITE ® RHH Dock Leveler Owner’s Manual OPERATION INSTRUCTIONS POWERED LEVELERS NORMAL OPERATION 3. See Storing Leveler. NOTES: 1. Activate the leveler by pushing and holding the RAISE button until leveler is fully raised and lip is a. Levelers without Automatic Return to Dock fully extended.
  • Page 9 RITE-HITE ® RHH Dock Leveler Owner’s Manual OPERATION INSTRUCTIONS POWERED LEVELERS CONT. DOCK LEVEL (OR LOWER) END LOADING NOTES: OPERATION a. Some levelers may be equipped with a two button control box. If so, release RAISE and LIP EXTEND 1. Activate the leveler by pushing and holding the...
  • Page 10 RITE-HITE ® RHH Dock Leveler Owner’s Manual OPERATION INSTRUCTIONS POWERED LEVELERS CONT. STORING LEVELER 1. To store the leveler, push and hold the RAISE button until leveler is about 6 inches above dock level and lip is fully pendant. 2. Release RAISE button. Leveler will lower to dock level with lip resting in the lip supports.

  • Page 11: Maintenance Procedures

    RITE-HITE ® RHH Dock Leveler Owner’s Manual MAINTENANCE PROCEDURES 8. Inspect structure, hinge pins, clevis pins and cotter pins for abnormal wear. 9. Inspect all conduit boxes, control boxes and electrical connections for damage. Repair or replace if worn or Read and obey these instructions to prevent damaged.
  • Page 12 RITE-HITE ® RHH Dock Leveler Owner’s Manual RHH HYDRA-RITE LUBICATION CHART NOTE: Only if grease zerks are present. OIL SAE 30 Weight Grease - Moly Based Dry Spray Lubricant NOTE: Inside and Under ® Slots On Safe-T-Lip NOTE: Check Hydraulic Fluid level.

  • Page 13: Leveler Adjustments / Troubleshooting

    RITE-HITE ® RHH Dock Leveler Owner’s Manual RHH BASE LUBRICATION CHART NOTE: Only if grease zerks are present. OIL SAE 30 Weight Grease - Moly Based Dry Spray Lubricant NOTE: Inside and Under Slots On Safe-T-Lip ® NOTE: Check Hydraulic Fluid level.
  • Page 14 RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC LEVELER ADJUSTMENTS CONT. HYDRAULIC POWERED LEVELER ADJUSTMENTS ARTD ADJUSTMENTS: • Shuttle valve is factory adjusted and sealed. ARTD Limit Switch Cam • Adjustments to be completed by trained technician only. NOTE: Before continuing be sure the lip stop bolt is properly adjusted.
  • Page 15 Emergency Stop Lip Cylinder (ESB) Port Port Adjustable Sequence Valve Pilot Adjustable Operated Shuttle Check Valve Valve Pilot To Close Check Valve System Relief Valve FIGURE 15 - POWER UNIT END HEAD (RHH BASE SHOWN) Pub. No. 1210 - November 2009...
  • Page 16 RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC POWERED LEVELER TROUBLESHOOTING Problem Probable Cause Solution 1. Platform does not raise a. Power has been disconnected. a. Verify that power has not been disconnected. Verify that disconnect circuit breaker or fuses are not tripped.

  • Page 17: Hydraulic Schematic

    RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC LEVELER - HYDRAULIC SCHEMATIC Power Unit Assembly Velocity Fuse 140-170 Motor Optional 8 GPM Micron 3450 RPM 2W N.O. Valve “RAMP” Strainer For IFC Port Pump 3.6 GPM @ 250 PSI Adj. Shuttle Valve.

  • Page 18: Electrical Wiring Charts

    RITE-HITE ® RHH Dock Leveler Owner’s Manual ELECTRICAL WIRING CHARTS Average Motor Loads (Amps) Hydraulic Leveler Levelers Base Hydra-Rite 3/4 hp 110-120/1/60 12.0 10.0 21.2 208-230/1/60 10.6 208-230/3/60 5.4 - 4.3 380-415/3/50 440-480/3/60 575-600/3/60 Minimum Wire Size Chart for Various Line Lengths and Line Loads...

  • Page 19: Electrical Schematics

    Wire Unless Otherwise Noted, Insulated Sufficiently For Incoming Power. DENOTES WIRE NUT CONNECTION 4. Incoming Power Field Wiring: See Minimum Wire Size Chart. DENOTES MALE/FEMALE PLUG CONNECTION FIGURE 18 - RHH (BASE) TYPE 1 CONTROL BOX - 120V./208-240V. 50/60HZ. SINGLE PHASE Pub. No. 1210 - November 2009...
  • Page 20 SHOWN WITH DOOR CLOSED DENOTES MALE/FEMALE PLUG CONNECTION SOLENOID 1 "LIP OUT" LIP OUT X2 (WHT) 7 (BLK) H3(RD) 120 VAC, 0.3 AMPS FIGURE 19 - RHH (BASE) TYPE 2 CONTROL BOX - 120V./208-240V. 60HZ. SINGLE PHASE Pub. No. 1210 - November 2009...
  • Page 21 Wire Unless Otherwise Noted, Insulated Sufficiently For Incoming Power. 4. Incoming Power Field Wiring: See Minimum Wire Size Chart. FIGURE 20 - RHH (BASE / HYDRA-RITE) TYPE 3 CONTROL BOX - 120V./208-240V. 50/60HZ. SINGLE PHASE Pub. No. 1210 - November 2009...
  • Page 22 CONTACT BLOCK IS N.O. 120 VAC, 0.3 AMPS WHEN E-STOP IS NOT REQUIRED FIGURE 21 - RHH (BASE / HYDRA-RITE ) TYPE 3 CONTROL BOX - 208-240V. 50HZ./60HZ. SINGLE PHASE & 3 PHASE (SEE VOLTAGES ABOVE) Pub. No. 1210 - November 2009...
  • Page 23 Copper Wire Unless Otherwise Noted, Insulated Sufficiently For Incoming Power. 4. Incoming Power Field Wiring: See Minimum Wire Size Chart. FIGURE 22 - RHH (BASE) TYPE 4 CONTROL BOX - 3 PHASE (SEE VOLTAGES ABOVE) Pub. No. 1210 - November 2009...

  • Page 24: Replacement Parts

    RITE-HITE ® RHH Dock Leveler Owner’s Manual REPLACEMENT PARTS - HYDRA-RITE UNIT 38 39 28 29 30 Pub. No. 1210 - November 2009...
  • Page 25 Operational Sign (Not Shown) 128111 128111 128111 128111 Decal Sheet Field (Not Shown) 128121 128121 128121 128121 NOTE: Lip Spool Module part numbers above apply to most levelers. If you are not sure, contact Rite-Hite before ordering. Pub. No. 1210 - November 2009...
  • Page 26 RITE-HITE ® RHH Dock Leveler Owner’s Manual REPLACEMENT PARTS - BASE UNIT 35 36 37 26 27 28 Pub. No. 1210 - November 2009...
  • Page 27 Operational Sign (Not Shown) 128111 128111 128111 128111 Decal Sheet Field (Not Shown) 128121 128121 128121 128121 NOTE: Lip Spool Module part numbers above apply to most levelers. If you are not sure, contact Rite-Hite before ordering. Pub. No. 1210 - November 2009...
  • Page 28 RITE-HITE ® RHH Dock Leveler Owner’s Manual TYPE 1 CONTROL BOX PARTS INSIDE RIGHT INSIDE LEFT Back Of Cover Item Qty. Description Part Number Control Box Complete 228.xxx Control Box Enclosure, 4 x 4 x 2 N4XF 117342 Push Button N12/N4...
  • Page 29 RITE-HITE ® RHH Dock Leveler Owner’s Manual TYPE 2 CONTROL BOX PARTS 1 & 2 INSIDE RIGHT INSIDE LEFT Item Qty. Description Part Number Control Box Complete 219.xxx Control Box Enclosure, 6 x 6 x 4 N4XF 117346 Push Button Operator (22.5MM) Black, N12/N4 124898 Push Button Operator (22.5MM) Black, N4X...
  • Page 30 RITE-HITE ® RHH Dock Leveler Owner’s Manual TYPE 3 CONTROL BOX PARTS HYDRA-RITE 14,15,16,17, 10,11 18,19,20 4, 5, 6 BASE 29,30 OUTSIDE RIGHT OUTSIDE LEFT INSIDE LEFT INSIDE RIGHT Pub. No. 1210 - November 2009...
  • Page 31 RITE-HITE ® RHH Dock Leveler Owner’s Manual TYPE 3 CONTROL BOX REPLACEMENT PARTS LIST Item Qty. Description Part Number Control Box Complete - HYDRA-RITE 178.xxx Control Box Complete - BASE 219.xxx Control Box Enclosure, 10 x 8 x 6 N12 187.107...
  • Page 32 RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC REPLACEMENT PARTS - HYDRA-RITE Lip Cylinder Port TOP VIEW SIDE VIEW Main Cylinder Port 19 20 SIDE VIEW TANK END VIEW Optional IFC Parts Breakdown Pub. No. 1210 - November 2009...
  • Page 33 RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC REPLACEMENT PARTS LIST - HYDRA-RITE UNIT Item Qty. Description Leveler Length 6’ Long 8’ Long 10’ Long 12’ Long Power Unit - 120/240 Single Phase 126501 126501 126501 126501 Power Unit - 240/380 - 415/480 Three Phase...
  • Page 34 RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC REPLACEMENT PARTS - BASE Lip Cylinder Port TOP VIEW SIDE VIEW Main Cylinder Port 19 14 SIDE VIEW TANK END VIEW Optional IFC Parts Breakdown Pub. No. 1210 - November 2009...
  • Page 35 RITE-HITE ® RHH Dock Leveler Owner’s Manual HYDRAULIC REPLACEMENT PARTS LIST - BASE UNIT Item Qty. Description Leveler Length 6’ Long 8’ Long 10’ Long 12’ Long Power Unit - 120/240 Single Phase 126498 126498 126498 126498 Power Unit - 240/380 - 415/480 Three Phase...
  • Page 36 RITE-HITE ® RHH Dock Leveler Owner’s Manual AUTOMATIC RETURN TO DOCK PARTS - HYDRA-RITE 9 11 Leveler Length Item Qty. Description 6' Long 8' Long 10' Long 12' Long Lip Cylinder, Single Acting 119291 119291 119291 119291 Clevis Pin, 1.00Dia. x 3.625L ZP...
  • Page 37 RITE-HITE ® RHH Dock Leveler Owner’s Manual AUTOMATIC RETURN TO DOCK PARTS - BASE 11 10 12 13 Leveler Length Item Qty. Description 6' Long 8' Long 10' Long 12' Long Lip Cylinder, Single Acting 102239 102239 102239 102239 Clevis Pin, .75Dia. x 3.75L CRM...
  • Page 38 RITE-HITE ® RHH Dock Leveler Owner’s Manual ENDLOAD LEG OPTION PARTS Item Qty. Description Part Number Endload Leg Assembly - Hydrarite 121708 Endload Leg Assembly - Base 121850 Lanyard Chain Assembly 147L 510.123 Lever Weldment 121902 Spacer Tube 2.75L 477.108...
  • Page 39 RITE-HITE ® RHH Dock Leveler Owner’s Manual NOTES Pub. No. 1210 - November 2009...

  • Page 40: Standard Warranty

    RITE-HITE ® in writing. In the event of any defects covered by this warranty, RITE-HITE ® will remedy such defects by repairing or replac- ing any defective equipment or parts, bearing all the costs for parts, labor, and transportation. This shall be the exclusive remedy for all claims whether based on contract, negligence, or strict liability.

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