Power Fist 8760621 Manual de usuario

V4.0 8760621

Please read and understand all instructions before use. Retain this manual for

future reference.

User Manual

4TonLowProfile

FloorJack

8760621 4 Ton Low Profile Floor Jack V4.0

2 For technical questions call 1-800-665-8685

SPECIFICATIONS

Lift Capacity 8,000 lb (3,628 kg)

Lift Range 3-3/4 to 20-1/2 in.

Saddle Size 4-5/16 in.

Handle Length 50 in.

Wheel Type Steel

Wheel Size Front 2-3/4 in.

Rear 2-1/4 in.

Strokes to Full Height 9 to 10 Strokes

Construction Steel

Finish Powder Coat

INTRODUCTION

The 4 Ton Low Profile Floor Jack’s narrow front and rear casters provide easy

maneuverability to get under low vehicle frames. The two-piece handle allows

for easy transportation and storage.

SAFETY

WARNING! Read and understand all instructions before using this tool. The

operator must follow basic precautions to reduce the risk of personal injury

and/or damage to the equipment.

Keep this manual for safety warnings, precautions, operating or inspection and

maintenance instructions.

4TonLowProfile

FloorJack

V4.0 4 Ton Low Profile Floor Jack 8760621

Visit www.princessauto.com for more information 3

HAZARD DEFINITIONS

Please familiarize yourself with the hazard notices found in this manual. A notice

is an alert that there is a possibility of property damage, injury or death if certain

instructions are not followed.

DANGER! This notice indicates an immediate and specific hazard that will

result in severe personal injury or death if the proper precautions

are not taken.

WARNING! This notice indicates a specific hazard or unsafe practice that

could result in severe personal injury or death if the proper

precautions are not taken.

CAUTION! This notice indicates a potentially hazardous situation that may result

in minor or moderate injury if proper practices are not taken.

NOTICE! This notice indicates that a specific hazard or unsafe practice will

result in equipment or property damage, but not personal injury.

WORK AREA

1. Operate in a safe work environment. Keep your work area clean, well-lit

and free of distractions. Place lights so you are not working in a shadow.

2. Keep anyone not wearing the appropriate safety equipment away from the

work area.

3. Store unused tools properly in a safe and dry location to prevent rust or

damage. Lock tools away and keep out of the reach of children.

PERSONAL SAFETY

WARNING! Wear personal protective equipment approved by the Canadian

Standards Association (CSA) or American National Standards Institute (ANSI).

PERSONAL PROTECTIVE EQUIPMENT

1. Always wear impact safety goggles that provide front and side protection

for the eyes. Eye protection equipment should comply with CSA Z94.3-07

or ANSI Z87.1 standards based on the type of work performed.

2. Wear gloves that provide protection based on the work materials or to

reduce the effects of tool vibration.

8760621 4 Ton Low Profile Floor Jack V4.0

4 For technical questions call 1-800-665-8685

3. Wear protective clothing designed for the work environment and tool.

4. Non-skid footwear is recommended to maintain footing and balance in the

work environment.

5. Wear steel toe footwear or steel toe caps to prevent a foot injury from

falling objects.

PERSONAL PRECAUTIONS

Control the tool, personal movement and the work environment to avoid

personal injury or damage to tool.

1. Do not operate any tool when tired or under the influence of drugs, alcohol

or medications.

2. Avoid wearing clothes or jewelry that can become entangled with the

moving parts of a tool. Keep long hair covered or bound.

3. Do not overreach when operating a tool. Proper footing and balance

enables better control in unexpected situations.

SPECIFIC SAFETY PRECAUTIONS

WARNING! DO NOT let comfort or familiarity with product (gained from

repeated use) replace strict adherence to the tool safety rules. If you use

this tool unsafely or incorrectly, you can suffer serious personal injury.

WARNING! This jack is for lifting and lowering only. It is NOT a dolly jack.

The vehicle may fall off this jack if moved and either kill or injure you or

a bystander.

1. Use the correct tool for the job. This tool was designed for a specific function.

Do not modify or alter this tool or use it for an unintended purpose.

2. Inspect the tool before each use. DO NOT use if bent, broken, cracked,

leaking or otherwise damaged, any suspect parts are noticed or it has been

subjected to a shock load. This is a sudden and unexpected load or force

applied to the jack. Have the jack inspected and repaired by a qualified

service technician.

3. Do not overload the jack beyond its rated load capacity (see Specifications).

4. Do not use a handle extension for the jack handle.

V4.0 4 Ton Low Profile Floor Jack 8760621

Visit www.princessauto.com for more information 5

5. Rest the jack’s base on a firm, level surface capable of sustaining the load.

The jack must be free to roll under the vehicle. Keep the surface clean and

free from debris.

6. Make sure the saddle is fully positioned under the load before operating.

7. Make sure the load is stable, so it does not shift when lifting or lowering.

8. Make sure there is enough clearance around the jack and the load during

lifting or lowering actions, a minimum of 1-1/2 feet (0.5 metres).

9. Before lifting a vehicle, apply the emergency brake and block all wheels.

10. Do not lift a vehicle while people are inside it.

11. Support the load with jack stands or a support structure of adequate

capacity immediately after lifting. Never work under a load without

additional support devices.

12. The jack must remain in a static position for lifting and lowering loads.

Never move a load that is elevated on the jack. Ensure the load remains

stable at all times.

13. Do not push a load off the jack; lower carefully.

14. Before lowering load, ensure that there are no obstructions underneath and

that all people are standing clear.

15. Do not place your hands between the moving components.

16. Never allow load to tilt on the jack as the jack may kick out causing injury

to the operator and/or cause the load to fall.

HYDRAULIC PRECAUTIONS

DANGER! Seek immediate medical attention if hydraulic fluid under pressure

penetrates your skin. See Injection Injury precautions for instructions

before using a pressurized hydraulic system.

1. Do not touch or handle hydraulic hoses or components while under pressure.

Hydraulic fluid escaping under pressure has sufficient force to penetrate your

clothing and skin. A pinpoint hole may inject hydraulic fluid into your body.

Seek immediate medical attention if this occurs (see Injection Injury).

2. Never exceed the hydraulic system’s load capacity (see Specifications).

3. Do not adjust the hydraulic system’s relief setting. The settings are preset

by the factory.

8760621 4 Ton Low Profile Floor Jack V4.0

6 For technical questions call 1-800-665-8685

4. Hydraulic oil under pressure is hot and can cause a burn injury if touched,

sprayed or spilled. Allow the hydraulic system to cool before conducting

maintenance.

5. Hydraulic components require regular inspection. Release all pressure

from the system before you inspect it. Replace damaged hydraulic parts

with identical manufacturer's components.

6. Do not attempt makeshift repairs to a hydraulic system. Such repairs can

fail suddenly and create a hazardous condition.

7. Hydraulic fluid has a combustible flash point of 200°F (93°F). Do not

expose the fluid to an ignition source.

8. Change your clothing immediately if sprayed with hydraulic fluid. Store

clothing or rags contaminated with hydraulic fluid in an approved metal

safety can with a spring-closing lid and venting designed to contain a fire.

9. Only use hydraulic fluid in the pump. Do not substitute or mix brake fluid,

or any other fluid, with the hydraulic fluid. This can result in a pump failure

and injure the user or bystander. It may also damage the pump.

INJECTION INJURY

DANGER! Seek immediate, professional medical treatment if fluid penetrates

your skin. It may feel like a pricking or sting. Do not wait for the appearance

of symptoms. A toxic reaction can occur from the exposure. Delay in

treatment can lead to amputation or death.

Inform the medical staff that you have a fluid penetration injury as soon as you

arrive at the medical facility. The severity of the symptoms will depend on the

type of fluid injected. Bring the Safety Data Sheet for the fluid with you to the

medical facility if possible.

INJECTION PRECAUTIONS

Fluid can penetrate the skin at 100 PSI pressure. Fluid escaping under pressure

from the tool has sufficient force to penetrate your clothing and skin. Follow the

precautions below to avoid an injection injury.

1. Always check for leaks wearing a face shield, safety goggles, rubberized

gloves and protective clothes.

2. Release all pressure from the system before you inspect it.

V4.0 4 Ton Low Profile Floor Jack 8760621

Visit www.princessauto.com for more information 7

3. Do not use your hands to detect a fluid leak. Use a large piece of wood,

cardboard or paper and watch for discolouration.

4. Replace damaged parts with identical manufacturer's components to

ensure it is rated to handle the pressure.

UNPACKING

WARNING! Do not operate the tool if any part is missing. Replace the

missing part before operating. Failure to do so could result in a malfunction

and personal injury.

Remove the parts and accessories from the packaging and inspect for damage.

Make sure that all items in the contents are included.

Contents: • Low Profile Floor Jack • 2 Piece Handle

ASSEMBLY & INSTALLATION

Numbered references in parenthesis (#1) refer to the included Parts List.

1. Remove the screw (#33) in the lower handle tube (#42). Insert the upper

tube (#44) into the lower tube’s flared opening, aligning the screw holes.

Insert and tighten the screw to secure both halves of the handle.

2. Insert the handle into the handle socket (#40) and press until it is up

against the screw (#41).

3. Hold the handle down and cut the plastic tie holding the handle socket in

place. Hold the handle and allow the handle socket to raise into the rest

position.

4. Unscrew the screw (#41) by hand until it no longer protrudes into the

socket. Push the handle in as far as possible. Tighten the screw to lock the

handle in place.

5. Twist the handle left and right to ensure the release valve operates

smoothly. Tighten the screw if the handle rotates within the socket.

6. Check the hydraulic oil level and bleed the hydraulic system before using

for the first time (See Care and Maintenance).

8760621 4 Ton Low Profile Floor Jack V4.0

8 For technical questions call 1-800-665-8685

OPERATION

RAISING A LOAD

WARNING! Do not place any part of your body under the load without jack

stands in place. The floor jack is not designed to maintain heavy loads for

long periods of time

1. Place the jack on a hard level surface capable of handling the load.

2. Twist the handle to the right to close the release valve.

3. Pump to raise the ram. Stop just before the ram contacts the load’s lift

point. Inspect the ram’s position and adjust if necessary.

4. Pump slowly until the ram is supporting the load. Continue to pump as

normal to lift the load to the desired height.

5. Position supports like jack stands if the load will remain off the

ground for an extended period. Consult the support device’s manual

for proper placement.

LOWERING A LOAD

WARNING! Dynamic shock loads are created by quick opening and closing of

the release valve when lowering the load. The resulting overload may cause

the hydraulic system to failure, which could result in severe personal injury

and/or property damage.

WARNING! Before lowering the load or vehicle, ensure that there are no

obstructions underneath and that all people are standing clear.

1. Open the valve by gradually twisting to the left.

2. The load will begin to lower.

3. Twist right to slow and left to increase the rate of descent.

4. Remove the jack once the load is on the ground or a support mechanism

like jack stands.

5. The ram should fully retract. If it does not, push down on it until it

is seated.

V4.0 4 Ton Low Profile Floor Jack 8760621

Visit www.princessauto.com for more information 9

RAISING AND LOWERING A VEHICLE

Take these additional steps before following instructions in Raising a Load and

Lowering a Load.

1. Set the vehicle in parking gear and engage the parking brake.

a. For vehicles with a manual transmission, engage the parking brake

and leave the car in reverse or 1st gear. Consult your vehicle owner’s

manual for the correct gear.

2. Place wheel chocks that fit the wheel curve on either side of the vehicle’s

remaining wheels.

3. Place the jack only on support points or areas specified by the vehicle

manufacturer (consult owner’s manual).

4. Lift the vehicle to a height that leaves enough room to place the jack stands.

5. When the work is done, raise the load enough with the jack to carefully

remove the jack stands.

6. Slowly and carefully lower the load.

CARE & MAINTENANCE

1. Maintain the tool with care. A tool in good condition is efficient, easier to

control and will have fewer problems.

2. Inspect the tool components periodically. Repair or replace damaged or

worn components. Only use identical replacement parts when servicing.

3. Follow instructions for lubricating and changing accessories.

4. Keep the tool handles clean, dry and free from oil/grease at all times.

5. Maintain the tool’s labels and name plates. These carry important information.

If unreadable or missing, contact Princess Auto Ltd. for replacements.

6. Have a qualified technician inspect the jack:

a. Once a year.

b. After receiving a shock load. Take the jack out of service until the

technician certifies that it is safe to use.

WARNING! Only qualified service personnel should repair the tool. An

improperly repaired tool may present a hazard to the user and/or others.

8760621 4 Ton Low Profile Floor Jack V4.0

10 For technical questions call 1-800-665-8685

HYDRAULIC RAM MAINTENANCE

Monthly maintenance is recommended for the hydraulic ram. Any restrictions due

to dirt, rust, etc. can cause the either slow movement or extremely rapid jerks,

damaging the internal components. The following steps are designed to keep the

pump maintained and operational.

1. Lubricate the cylinder and the pumping mechanism with light oil.

2. Visually inspect for cracked welds, bent, loose, missing parts or hydraulic

oil leaks.

3. Check and maintain the ram oil level.

4. Always store the hydraulic ram in the fully retracted position. This will help

protect critical areas from corrosion.

5. Do not use brake or transmission fluids or regular motor oil as they can

damage the seals. Always purchase and use products labeled hydraulic

jack oil.

6. Remove any hydraulic pump from service that is damaged, worn down or

operates abnormally, until repaired by an authorized service technician.

CHECK AND ADD HYDRAULIC OIL

1. Fully retract the ram by turning the handle counterclockwise to open the

release valve.

2. Loosen, but do not remove, the retaining screws (#25 and 26) holding the

panel (#35) on the body frame (#8). Lift the panel vertically to reveal the

pump’s reservoir (#P14) and set the panel aside (Fig. 1 to 3).

3. Remove the oil filler plug (#P16). The oil level must be within 1/2 in.

(13 mm) from the top of the reservoir.

4. Add hydraulic oil to the reservoir.

Fig. 1

Fig. 2

Fig. 3

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