background image

by 

JH 

I N D U S T R I E S ,   I N C .  

1981 E. Aurora, Rd. 

Twinsburg, Ohio 44087 

(330) 963-4105 (Phone) 

1-800-321-4968 (Toll Free) 

www.copperloy.com 

Do  not  install,  operate  or  service  this  product  unless  you  have  read  and  understand  the  Safety 
Practices,  Warnings, Installation  and Operating  Instructions  contained  in this  manual.   Failure to 
do so could result in serious injury or death. 

Model #__________________________ 
Serial #__________________________ 
Date:    __________________________ 

Dock Lift 

Installation  

Owner’s Manual 

      WARNING 

Summary of Contents for Copperloy

Page 1: ...rvice this product unless you have read and understand the Safety Practices Warnings Installation and Operating Instructions contained in this manual Failure to do so could result in serious injury or death Model __________________________ Serial __________________________ Date __________________________ Dock Lift Installation Owner s Manual WARNING ...

Page 2: ......

Page 3: ...s or modification to the PIT MOUNT DOCK LIFT 3 damage resulting from the misuse of the PIT MOUNT DOCK LIFT THERE ARE NO WARRANTIES EXPRESSED OR IMPLIED WHICH EXTEND BEYOND THE DESCRIPTION ABOVE THERE IS NO WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE J H Industries Inc warranties extend only to the product itself J H Industries Inc DISCLAIMS all liability arising out of the w...

Page 4: ...E Below is each of these signal words along with their definitions as directly referenced from ANSI Z535 4 1998 SAFETY NOTICE is the preferred signal word to address practices not related to personal injury The safety alert symbol shall not be used with this signal word As an alternative to NOTICE the word CAUTION without the safety alert symbol may be used to indicate a message not related to per...

Page 5: ...d to carry personnel or other material handling equipment without the supplied handrail and safety chains installed Maintain equipment to safe working condition at all times during service See maintenance section for servicing schedule Do not use the dock lift it is looks damaged or does not seem to work properly Tell your supervisor if it needs repair right away Do not use this unit for anything ...

Page 6: ... storage and shipping protect the power unit from weather and moisture Moisture in or around the power unit could cause electrical shock Prior to installation verify there is no water or moisture present failure to do so could cause personal injury or death The electrical motor or power pack can give off sparks and does not qualify as an explosion proof unit unless ordered otherwise Verify the are...

Page 7: ...lift in a pit position the lift and align the frame carefully so a 1 clearance is maintained around the deck or platform Level the unit and place solid shims and grout under the base frame as required See FIGURE 2 FIGURE 2 Eyebolts for lifting Mount the dock lift on a stable flat surface grout and add shims as needed If not mounted properly the dock lift could be unstable and tip over during use w...

Page 8: ...oncrete floor Optional wall mount brackets are available 10 Connect all hydraulic lines as required Make sure to blow out all lines prior to connection with compressed air or flush with hydraulic fluid Use correct hydraulic fluid as stated in this manual See FIGURE If incompatible hydraulic oil is used damage to the hydraulic system could occur Make sure that all hydraulic lines are free of the do...

Page 9: ... unsafe work areas and can be a fire hazard Any material or foreign objects in the area of the dock lift could interfere with the movement of the lift and cause damage Because of pinch points and geometry foreign objects that get caught in the table could become projectiles and cause personal injury or death Clean all hydraulic oil that is not contained in the system Failure to do so could result ...

Page 10: ...UIT WITH 14 MIN RADIUS 20 DEPTH LOWERED HEIGHT 1 2 PIT FLOOR MUST BE LEVEL SUPPLIED BY OTHERS FIGURE 6 Three Sided Pit Diagram FIGURE 7 Standard Pit Diagram BRIDGE WIDTH 2 PLATFORM LENGTH 6 1 2 7 8 DIA BUMPER POST 2 REQUIRED BY OTHERS 3 X3 X1 4 MIN CURB ANGLE WITH ANCHOR STRAPS BY OTHERS 60 60 20 20 2 1 2 MIN CONDUIT WITH 14 MIN RADIUS DEPTH LOWERED HEIGHT 1 2 POWER PACK 1 2 DEEP BRIDGE RECESS BRI...

Page 11: ...ft as required to ensure proper operation The frequency of inspection and maintenance shall be based upon the manufacturer s recommendations and be compatible with operating conditions and the severity of the operating environment Dock lifts that are not in proper operating condition shall be immediately removed from service until repaired Maintenance and repairs shall be made by a qualified perso...

Page 12: ...are created when the dock lift moves up and down Keep away from any pinch point See Figure 6 Part of your body or article of clothing could become caught serious injury or death could occur To avoid damage to load and dock lift do not operate unit if any obstructions or debris may interfere with the safe operation of the dock lift Damage to the lift could occur or the load could become unstable se...

Page 13: ...g or damaged parts See Figure 7 7 All loads and equipment need to be centered on the platform of the dock lift The load needs to be secured and kept from shifting or moving during raising or lowering of the lift Operation of the Dock Lift 1 Once the load and personnel are situated and ready to be raised or lowered attach the safety chain and lift and fasten the bridge plate See FIGURE 7 FIGURE 9 S...

Page 14: ...to the dock lift and could result in serious injury or death Always use common sense and take responsibility for the safety of everyone near the lift table The flowing are the only factory approved practices for working under the dock lift At ALL times while working under the dock lift these instructions need to be followed If any of the safety or maintenance devices seem to be damaged or missing ...

Page 15: ...ntire lift Verify that all welds are structural sound and free from damage or cracks Check all pins and bearings for excessive wear or damage See Figure 11 Inspect the structure of the lift for any damage or wear Inspect the level of the hydraulic fluid fill as necessary using the correct oil See Figure 12 Inspect for hydraulic leaks or damaged hydraulic components Visually inspect the safety chai...

Page 16: ...perator personnel near the lift during usage and the hydraulic system in the dock lift The relief valve is factory set for a specific pressure never change the settings of this valve the system could build up extreme pressures which would cause hydraulic components to fail and serious injury or death may occur Changing Hydraulic Fluid 1 The hydraulic reservoir is located attached to the hydraulic ...

Page 17: ...of the cylinder rod 6 Place the hose connection end of the cylinder in a container or bucket and force the cylinder closed to remove all hydraulic fluid from cylinder If the dock lift is equipped with multiple cylinders it is recommended to rebuild all cylinders at the same time Seals generally wear at the same rate if you only rebuild one cylinder you may have to pull the lift out of service soon...

Page 18: ...ure that it is fully seated in it s groove CYLINDER REINSTALLATION 1 Remount cylinder in lift and reinstall all cylinder pins and keeper plates See FIGURE 14 2 Reattach all hydraulic hoses 3 Clean up any spilled oil so as not to misinterpret later as a new leak 4 Bring the table back out of maintenance and cycle the dock lift 3 4 times to get all air out of the hydraulic system Check the oil and t...

Page 19: ...nings labels or placards Always be certain the lift is in the raised position SECURED WITH THE MAINTENANCE BAR See FIGURE 9 before doing any maintenance or repairs under the dock lift Failure to do so could result in serious injury or death Be sure the hydraulic system is not under pressure before loosening or doing any maintenance to the hydraulic system Pressurized hydraulic fluid can pierce ski...

Page 20: ... done by a qualified technician and meet all applicable codes If it s necessary to make trouble shooting checks inside the control box with the power on USE EXTREME CAUTION Do not place your fingers or un insulated tools inside the control box Touching wires or other parts inside the control box could result in electrical shock death or serious injury FIGURE 17 Electrical Schematic ...

Page 21: ...28 2 1 Overload Relay 6 0 8 5A 460VAC 063 029 3 1 Overload Relay 10 0 14 0A 208 230VAC 063 034 4 1 230 460V 24VAC Secondary Transformer 210 008 5 1 Fuse Holder Block 210 006 6 1 5amp Fuse 210 003 7 2 DIN Rail Mounting Adapter 9 1 6 x9 x6 Nema 12 Enclosure 063 027 8 1 DIN Rail 9 00 LG 063 061 1 2 3 4 9 5 6 7 ...

Page 22: ...20 WARNING LABELS JH INDUSTIRES INC 1 2 3 5 4 7 ...

Page 23: ... of the dock lift handrail Requires 2 CUT AND DISCARD FOR DOCK LIFTS WITH HANDRAIL ONLY 6 To be attached to all control panels or electrical boxes 7 To be attached to Maintenance each side of handle Requires 4 WARNING All dock lifts must have the minimum labeling as shown in this section Any less or labels that are illegible must be replaced immediately Labeling defines possible injury or death re...

Page 24: ...230 VAC 460VAC 1 1 5 H P 3 Phase Power Pack Assembly 2 1 3 Phase Dock Lift Electrical Panel 3 1 3 Sight Gauge 4 1 Filler Breather 5 1 Pressure Relief Cartridge 6 1 Check Valve Cartridge 7 1 N C Poppet Valve Manual Override 8 1 24VAC Coil 9 1 1 5000 PSI Pressure Gauge 2 9 8 7 4 6 3 4 ...

Page 25: ...23 STANDARD PARTS LIST JH INDUSTIRES INC ...

Page 26: ...36 JH INDUSTIRES INC NOTES ...

Page 27: ...37 JH INDUSTIRES INC NOTES ...

Page 28: ...JH Industries Inc 1981 E Aurora Road Twinsburg OH 44087 Phone 1 330 963 4105 Fax 1 330 963 4111 Toll Free 1 800 321 4968 www copperloy com JH INDUSTIRES INC _ ...

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