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16  HLD-SLD PRESTO-ECOA OWNER’S MANUAL

OPERATING INSTRUCTIONS

 

The load capacity rating as stamped on the nameplate of your SizzrDok designates the maxi-

mum lifting capacity with a uniformly distributed load. This capacity must never be exceeded, as 

permanent damage may result. Lifting loads that exceed the rated capacity will result in excessive 

wear or damage to the lift.

The axle load capacities must be derated for cases where the lift platform is modified in the field. 

Consult the factory before any modification is performed in the field.

The SizzrDok is furnished with constant pressure (“dead-man” type) push button controls. Press-

ing the ‘’UP’’ (or RAISE) button, starts the motor, (see wiring diagram) which in turn runs the hy-

draulic pump. The cylinders begin to extend and the platform starts to rise. The platform will rise 

as long as the ‘’UP’’ button is pressed. On releasing the button, the platform ceases to rise and 

will remain at that particular elevation.

When pressing the “DOWN” button, the Down Solenoid Valve is energized. The cylinders start 

retracting as the oil returns to the reservoir and, upon releasing the button, the platform ceases to 

lower, remaining at that particular elevation.

When the lift reaches its full vertical travel, the cylinders have extended to its maximum limit. The 

platform will no longer travel up due to the internal stops in the cylinders. At this point the relief 

valve will open because of pressure build up and oil will bypass into the reservoir. Do not continue 

to operate the lift as it will create excessive wear on the pump.

In the event that the lift is overloaded, the relief valve will open because of excessive pressure 

build up, and oil will bypass into the reservoir. When the lift reaches a preset vertical travel the 

‘’up limit switch” (if purchased) will be actuated. This shuts off the power to the motor. At this 

point, pressing the ‘’UP’’ button will have no effect. The platform will remain stationary at the de-

sired elevation.

Always remember that the motor runs only when the ‘’UP’’ button is pressed and the Down Sole-

noid Valve is energized only when the ‘’DOWN’’ button is pressed.

Some “Tips” to the Operator

1. Always load the lift properly by centering the load on the platform as much as possible.

2. Never use the lift if it is in need of repairs, or in the case of a malfunction.

3. Notify your maintenance personnel if you notice anything out of the ordinary, such as bind-

ing, odd pump noises, etc.

4. Do not continue to press the ‘’UP” button if the lift is not rising. You can permanently dam-

age the motor or pump by doing so.

5. Ensure that handrails and chains are in place before operating the lift.

Содержание SizzrDok HLD

Страница 1: ...nd Service Manual Model Number ___________________________ Serial ________________________________ Date placed in service _____________ IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Par...

Страница 2: ...as current at the time of printing To obtain the latest most updated version please contact Presto ECOA Lifts Customer Service Department or go to our website www PrestoLifts com where you will find a...

Страница 3: ...Pit Layout 12 OPERATING INSTRUCTIONS 16 ROUTINE MAINTENANCE 17 HYDRAULIC SECTION 18 ELECTRICAL SECTION 20 TROUBLESHOOTING 25 ORDERING REPLACEMENT PARTS 18 WARRANTY 26 List of Figures Figure 1 General...

Страница 4: ...many years of safe trouble free service If you have any questions about any of the instructions in this manual or about the use of this product PLEASE contact your DEALER or ECOA Inspection IMMEDIATEL...

Страница 5: ...ignal word NOTICE Safety instruction signs use signal words that are specific to the situation DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNIN...

Страница 6: ...capable of causing personal injury if proper precautions are not taken Therefore throughout this manual Presto ECOA Lifts have identified certain hazards which may occur in the use of the unit and pr...

Страница 7: ...E lifting personnel ALWAYS use a handrail to maintain balance while raising or lowering the lift SEVERE PERSONAL INJURY could result 6 NEVER leave the loaded dock lift unattended unless the lift platf...

Страница 8: ...Operators Only trained personnel and authorized personnel shall be permitted to operate these lifts Before Operation Before using the device the operator shall have Read and or had explained and unde...

Страница 9: ...safety bars are securely in place 7 After flushing the hydraulic lines proceed as follows Connect the hydraulic hose coming from the conduit to the Flare bulkhead fitting on the base frame assembly No...

Страница 10: ...rouble free operation of the lift 16 Check the oil level of the reservoir with the lift fully lowered It should be approximately 1 below the top of the tank Add oil if necessary 17 Clean up spilled oi...

Страница 11: ...the inside of the base end angle Ensure that the safety tabs on the maintenance bars are engaged over the side and base angles 6 Lower the dock lift by pressing the DOWN button until the rollers stop...

Страница 12: ...witch is purchased provide a 16 AWG 2 wire conductor type SO from the control box to the limit switch located within the lift base frame 5 Ensure the concrete is reinforced to suit local soil conditio...

Страница 13: ...HLD SLD PRESTO ECOA OWNER S MANUAL 13 FIG 2 General Layout...

Страница 14: ...14 HLD SLD PRESTO ECOA OWNER S MANUAL Fig 3 General Specifications...

Страница 15: ...HLD SLD PRESTO ECOA OWNER S MANUAL 15 Fig 4 Common Pit Layouts...

Страница 16: ...ts full vertical travel the cylinders have extended to its maximum limit The platform will no longer travel up due to the internal stops in the cylinders At this point the relief valve will open becau...

Страница 17: ...n clevis and pivot points for wear 4 Check for worn or damaged hydraulic hoses or electrical cords Repair as necessary 5 Check rollers for looseness and wear See Trouble Shooting 6 Check retaining rin...

Страница 18: ...lower the lift he or she presses the DOWN button This energizes the down solenoid valve The poppet in the solenoid valve is unseated and oil now returns from the cylinders through the flow control va...

Страница 19: ...HLD SLD PRESTO ECOA OWNER S MANUAL 19 FIG 5 Hydraulic Circuit Standard Scissor Model...

Страница 20: ...to National Electrical Code NEC 480 22 and applicable local codes NOTE If the available Power Supply is 208VAC 1PH 60Hz or 208VAC 3PH 60Hz it is typically necessary to supply booster transformers to...

Страница 21: ...HLD SLD PRESTO ECOA OWNER S MANUAL 21 FIG 7 Electrical Schematic Standard...

Страница 22: ...22 HLD SLD PRESTO ECOA OWNER S MANUAL FIG 8 Connection 460V 3PH FIG 9 Optional Connection 230V 1PH...

Страница 23: ...HLD SLD PRESTO ECOA OWNER S MANUAL 23...

Страница 24: ...24 HLD SLD PRESTO ECOA OWNER S MANUAL...

Страница 25: ...ts please call the Presto ECOA Parts Department Parts are shipped subject to the following terms FOB factory Returns only with the approval of our parts department Credit cards preferred except parts...

Страница 26: ...t cover labor expense for removal or reinstallation of components after thirty days This limited warranty shall not cover among other things damages result ing from foreign matter or water failure to...

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