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Level-Rite

TM

BY RITE

-

HITE

®

LRL Series Elevating Dock Lift Owner’s Manual

Pub. No. 1174-R1 - June 2004

9

INSTALLATION INSTRUCTIONS - CONT.

PREPARATION PRIOR TO INSTALLATION

1.

Elevating dock lift is shipped equipped with lifting
lugs. DO NOT remove until lift is resting in pit. (Lifting
lugs prevent the lift table from opening when the lift
table is lifted into place.)

2.

Verify that dock lift voltage matches the voltage
supplied.

INSTALLATION INTO PIT

1.

Clean out pit and remove all debris from work area.

2.

Attach lifting chain, dock lift and position as close to
pit area as possible.

3.

Disconnect hydraulic hoses from power pack. Feed
hydraulic hoses through conduit. 

NOTE:

Hydraulic hoses MUST BE protected from

any dirt or debris that could enter the system.

4.

If equipped, disconnect wiring from power pack.
Feed wiring through conduit. 

5.

Lower the dock lift into the pit while pulling the
hydraulic hoses and wiring through the conduits.

6.

Install hydraulic hoses to power pack and make
necessary connections.

7.

Remove the lifting lugs.

ELECTRICAL INSTALLATION PROCEDURES

8.

Position power pack adjacent to the dock position.

9.

Secure power pack in accordance with all local
electrical codes. 

10. Connect wiring as indicated by Electrical Schematics

(See figure 11, 12 and 13).

Make sure that the lift power has been locked
out and tagged out according to OSHA
regulations and approved local codes before
performing any welding on the dock lift.

Make sure that the lifting equipment is rated for
3,000 lb. lifting capacity or greater.

• Post safety warnings and barricade work area 

to prevent unauthorized use of the elevating 
dock lift while work is being performed.

• ALWAYS ground to the frame or pit angle 

when welding. DO NOT ground welding 
equipment to any electrical components. DO
NOT ground to lift platform when welding 
on lift frame. Damage to bearings or 
electrical components may result.

• DO NOT connect green ground lead into 

control box or junction box until all welding is 
complete.

• Protect Hydraulic Hose assemblies from 

damage due to welding, grinding or sharp 
objects.

• DO NOT position the dock lift on its side or 

turn the dock lift topside down at any time.

• If a procedure is not clearly defined in this 

manual, contact your local representative or 
RITE-HITE

®

at 1-800-456-0600 before 

proceeding.

DANGER

WARNING

IMPORTANT

WARNING

When working with electrical or electronic
controls, make sure that the power source has
been locked out and tagged according to OSHA
regulations and approved local electrical
codes.

Summary of Contents for LEVEL-RITE LRL Series

Page 1: ...VEL RITETM LRL SERIES Elevating Dock Lift Printed in U S A by RITE HITE Print Shop Publication No 1174 R1 Copyright 2003 2004 RITE HITE June 2004 SERIAL NO LT 02H0853 AND UP Owner s Manual By Rite Hit...

Page 2: ...ation of this equipment For best results have this product serviced by your authorized RITE HITE representative NOTICE TO USER Your local RITE HITE representative provides a Planned Maintenance Progra...

Page 3: ...adable RITE HITE Corporation does not recommend any particular lockout device but recommends the utilization of an OSHA approved device refer to OSHA regulation 1910 147 RITE HITE Corporation also rec...

Page 4: ...rting installation or maintenance check and follow the safety procedures of the facility where the LRL is being installed Never enter a truck trailer until its brakes are set air has been dumped from...

Page 5: ...l Always barricade the dock lift at dock level and drive level to prevent any unauthorized use of the dock lift Remove the Maintenance Strut For Maintenance Strut removal raise the dock lift to its hi...

Page 6: ...om such warnings are intended 4 Manufacturer s recommended periodic maintenance and inspection procedures in effect at date of shipment shall be followed and written records of the performance of thes...

Page 7: ...on the valve will close preventing return flow of oil and stopping the lifts downward movement The lift will remain in the stopped position When an emergency drop occurs the lift should be inspected t...

Page 8: ...BUTTON ON PLATFORM C L C L 30 24 FOR LRL 6 000 LBS CAPACITY UNIT 72x96 TO 96x120 PLATFORMS NOTES 1 PERIMETER OF PIT FLOOR MUST BE KEPT LEVEL 2 PIT MUST BE KEPT SQUARE 3 PIT WIDTH AND LENGTH CALCULATI...

Page 9: ...th all local electrical codes 10 Connect wiring as indicated by Electrical Schematics See figure 11 12 and 13 Make sure that the lift power has been locked out and tagged out according to OSHA regulat...

Page 10: ...d block dock lift at roller end with base mounted maintenance strut See Safety Devices LEG ROLLER WELD TO BASE FRAME BLOCK TO PIT WALL BEHIND BASE HINGE BY OTHERS WELD TO BASE FRAME BLOCK TO PIT WALL...

Page 11: ...reate dangerous pinch or shear points by operating it up and down a few times 8 Raise and lower elevating dock lift at least three times to expel air from the system 9 Observe carefully for any oil le...

Page 12: ...s released the dock lift will stop SCISSOR LIFT LIP 6 MIN LIP IN STORED POSITION Read and obey these instructions to prevent personal injury DO NOT operate the elevating dock lift until truck trailer...

Page 13: ...oil if necessary When adding oil use MV 22 MIL H 5606 or equal 5 Inspect structure and hinge pins for abnormal wear 6 Inspect all conduit boxes and electrical connections for damage 7 Check limit swi...

Page 14: ...l level and or oil leak d Defective pump e Defective Valve f Filter is clogged a Oil leak b Defective check valve c Defective solenoid valve a Velocity fuse locked up due to air b Velocity fuse locks...

Page 15: ...IR SUCTION FILTER 2 30 GPM HYDRUALIC GEAR PUMP 5 H P MOTOR 2 PISTON CYLINDERS OIL RESERVOIR SUCTION FILTER PRESSURE RELIEF VALVE 3000 PSI CHECK VALVE C PRESSURE RELIEF VALVE FACTORY ADJUSTED SOL B 300...

Page 16: ...al 16 Pub No 1174 R1 June 2004 ELECTRICAL SCHEMATIC 480 V 24 V 100VA NOTE SHORT CIRCUIT PROTECTION TO BE PROVIDED BY CUSTOMER 7 2 FIGURE 11 STANDARD 3 PHASE SCHEMATIC NOTE SHORT CIRCUIT PROTECTION TO...

Page 17: ...ELECTRICAL SCHEMATIC 480 V 24 V 100VA NOTE SHORT CIRCUIT PROTECTION TO BE PROVIDED BY CUSTOMER 6 NOTE FOR CONTINOUS STROBE LIGHT FUNCTION WHILE UP OR DOWN BUTTON IS DEPRESSED REMOVE STROBE LIGHT WIRE...

Page 18: ...Level RiteTM BY RITE HITE LRL Series Elevating Dock Lift Owner s Manual 18 Pub No 1174 R1 June 2004 FRAME REPLACEMENT PARTS 5 6 7 8 9 10 2 3 4 16 15 7 14 11 12 13 1...

Page 19: ...0 2 2 Axle Pin 151 0072 3 4 Bushing 905 0005 4 2 Washer 920 0068 5 4 Hinge Pin 251 0070 6 8 Bushing 905 0012 7 8 Spring Pin 920 0056 8 4 Sleeve 151 0051 9 2 Spring Pin 920 0035 10 2 Cylinder Pin 250 0...

Page 20: ...g Dock Lift Owner s Manual 20 Pub No 1174 R1 June 2004 HYDRAULIC PLUMBING PARTS 6 7 9 STANDARD RETURN LINES RITE UP OPTION RETURN LINES B B B B A A B B A A 13 HYDRAULIC FEED LINES BOTH SYSTEMS 11 or 1...

Page 21: ...1 Tee 8 JIC M 8 NPT Rite Up Option Qty 2 925 0164 5 2 Hydraulic Tube Assembly Rite Up Option Qty 4 251 0184 6 1 Low Pressure Hydraulic Hose 925 0124 7 2 Push On Hose Adapter 925 0097 8 1 Tee 6 JIC F 6...

Page 22: ...e Up Option has Qty 2 Includes Item 4 925 0014 4 1 Down Cartridge Valve Includes Item 3 925 0014 5 1 Relief Valve Rite Up Option has Qty 2 925 0043 6 1 Check Valve Rite Up Option has Qty 2 925 0049 7...

Page 23: ...PTIONAL REPLACEMENT PARTS 3 1 2 Item Qty Description Part Number 1 1 Limit Switch 915 0070 2 2 Safety Trip Bar 6 Width 150 0211 2 2 Safety Trip Bar 7 Width 150 0212 2 2 Safety Trip Bar 8 Width 150 023...

Page 24: ...Relay 3HP Motor 208 230 3 60 915 0046 2 1 Overload Relay 3HP Motor 460 3 60 915 0032 2 1 Overload Relay 3HP Motor 575 3 60 915 0033 2 1 Overload Relay 5HP Motor 208 230 3 60 915 0004 2 1 Overload Rela...

Page 25: ...Level RiteTM BY RITE HITE LRL Series Elevating Dock Lift Owner s Manual Pub No 1174 R1 June 2004 25 NOTES...

Page 26: ...Level RiteTM BY RITE HITE LRL Series Elevating Dock Lift Owner s Manual 26 Pub No 1174 R1 June 2004 NOTES...

Page 27: ...Level RiteTM BY RITE HITE LRL Series Elevating Dock Lift Owner s Manual Pub No 1174 R1 June 2004 27 NOTES...

Page 28: ...r assemblies have not been installed on Level Rite products or the installation has not been carried out in accordance with Level Rite installation instructions If a part is replaced during the standa...

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