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SAFETY PRACTICES 

                                                                                                                             JH INDUSTIRES INC.  

 
 

Read  and  follow  all  safety  practices,  manuals, 
and  instructions  before  installing,  operating  or 
servicing Pit Mount Dock Lifts.  Failure to follow 
these  safety  practices  and  instructions  could 
result in property damage, equipment damage or 
serious injury or death.   
 
READ 

AND 

FOLLOW 

THE 

OPERATING             

INSTRUCTIONS  CONTAINED  IN  THIS  MANUAL   
BEFORE  OPERATING  THE  LIFT  TABLE.    If  you 
do  not  understand  the  instructions  or  safety 
practices  ask  your  supervisor  or  consult  the   
factory for assistance. 
 
This  equipment  should  be  used  and  maintained 
only by qualified personnel. 
 
Before  doing  any  maintenance  or  repair  on  the 
Dock 

Lift 

SECURE 

WITH 

SUPPLIED                 

MAINTENANCE BARS.  See Figure on page . 
 
Failure  to  do  any  of  the  above  could  result  in   
serious injury or death. 

 

FOR ALL MODELS 
 

Never exceed the rated capacity of the dock lift. 
 
Never exceed the rated end or side load capacity. 
 
Do  not  operate  the  dock  lift  while  under  the           
influence of drugs or alcohol. 
 
Do  not  operate  the  dock  lift  with  equipment,          
material,  or  people  around  or  under  the  dock  lift.  
Always  be  aware  of  your  surrounding  while                
operating and keep the dock lift in your sight. 
 
Stay  clear  of  the  dock  lift  when  it  is  moving,  keep 
hands  and  feet  clear  of  moving  parts  at  all  times.  
Do  not  place  any  body  part  under  the  dock  lift     
without  the  maintenance  bar  properly  secured.  
Consult  the      factory  if  there  is  a  need  to  maintain 
the  safety  of  people  or  debris  from  entering  the     
underside  of  the  dock  lift.    Optional  side  skirts  are 
available.   
 
The  dock  lift  is  not  designed  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  other  than  it’s     
intended design use.   
 
Do  not  attempt  to  lift  the  dock  lift  by  any  means 
other  than  that  described  in  the  operating                    
procedures  contained  in  this  manual.    Never  use 
fork  trucks  or  other  material  handling  equipment  to 
raise  the  lift.    If  the  dock  lift  does  not  operate               
correctly  when  following  the  operating  procedures             
contained in this manual, DO NOT USE THE DOCK 
LIFT. 
 
If  you  have  any  problems  or  questions  using  or     
operating  the  dock  lift,  contact  your  supervisor  for 
assistance. 
 
Do  not  operate  the  lift  table  if  operation  causes     
undue  physical  strain  or  if  physical  impairments 
could  lead  to  undue  strain  in  back,  muscles,  limbs, 
or joints. 
 
Loads should be kept uniform as possible to insure 
safe  operation  and  maintain  even  wear  on  all              
moving parts. 
 
Keep  area  around  dock  lift  free  of  oil,  obstructions, 
and  debris  that  could  cause  slipping  or  stumbling 
into equipment. 
 
Never disconnect any hydraulic or electrical lines, or 
remove  any  part  of  the  dock  lift  unless  the                  
maintenance  bar  is  engaged  and  the  electrical 
power supply is turned off and locked out. 
 
Do  not  modify  or  change  the  design  of  this                
equipment  without  written  consent  from  JH                
Industries, Inc. 
 
Never  install  a  dock  lift  in  a  pit  unless  it  is  supplied 
with the toe guard option on the table top.  If this is 
required and not installed call factory for details. 
 
 

      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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