Enerpac PL200 User Manual [en, es]

POWERFUL SOLUTIONS. GLOBAL FORCE.

L4075 Rev. B 07/14

Index:

English. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18

Español . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-36

Portuguese . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-54

日本語 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55-72

1.0 SAFETY

1.1 Introduction

Read all instructions carefully. Follow all recommended safety precautions to avoid personal injury as well as damage to the jack and/or damage to other property. Enerpac cannot be responsible for any damage or injury from unsafe use, lack of maintenance or incorrect operation. Do not remove warning labels, tags, or decals. In the event any questions or concerns arise, contact Enerpac or a local Enerpac distributor for clariﬁ cation.

If you have never been trained on high-pressure hydraulic safety, consult your distributor or service center for a free Enerpac Hydraulic Safety Course.

This manual follows a system of safety alert symbols, signal words and safety messages to warn the user of speciﬁ c hazards. Failure to comply with these warnings could result in death or serious personal injury, as well as damage to the equipment or other property.

The Safety Alert Symbol appears throughout this manual. It is used to alert you to potential physical

injury hazards. Pay close attention to Safety Alert Symbols and obey all safety messages that follow this symbol to avoid the possibility of death or serious personal injury.

Safety Alert Symbols are used in conjunction with certain Signal Words that call attention to safety messages or property damage messages and designate a degree or level of hazard seriousness. The Signal Words used in this manual are DANGER, WARNING, CAUTION and NOTICE.

DANGER

WARNING

CAUTION

NOTICE

NOTICE:

Indicates a hazardous situation that, if not

avoided, will result in death or serious personal injury.

Indicates a hazardous situation that, if not

avoided, could result in death or serious personal injury.

Indicates a hazardous situation that, if not

avoided, could result in minor or moderate personal injury.

Indicates information considered important,

but not hazard related (e.g. messages relating to property damage). Please note that the Safety Alert Symbol will not be used with this signal word.

Instruction Sheet

Pow’R-LOCK

™

Portable Lift System

PL200 Series Models (air-operated)

1.2 Safety Precautions - Pow'R-LOCK System

WARNING

Failure to observe and comply with the following precautions could result in death or serious personal injury. Property damage could also occur.

• Keep hands and feet away from hydraulic cylinder and related components during jack operation.

• Always wear proper personal protective equipment (PPE) when operating hydraulic equipment (such as gloves, eye protection, head protection, protective footware, etc.).

• Do not handle pressurized lines. Escaping oil under pressure can penetrate the skin, causing serious personal injury. If oil is injected under the skin, see a doctor immediately.

• The jack is to be used only for lifting loads and for supporting lifted loads. Never use the jack for pushing or separating objects, or for other non-lifting related purposes.

• Never exceed the rated capacity of the jack. Allow for a margin of safety that accounts for possible shifting loads or side loading conditions. Failure to follow this warning could cause the jack to fail.

• Never tamper with overload protection devices. The jack's internal relief valve must not be repaired or adjusted except by an authorized service center. The maximum rated hydraulic pressure of the jack hydraulic system is 10000 psi [700 bar]. Higher settings may result in personal injury and/or equipment damage.

• Be sure lifting arrangement is stable before lifting load. Use jack only on a solid and level surface, capable of supporting the load and the base of the jack. Always center the load on the load cap of the jack. If the jack is not perpendicular to the load, slipping or loss of load is possible.

• Distribute the load evenly when performing lifts with multiple jacks. Failure to heed this warning may cause loss of load and/or failure of the jacks.

• Be aware of external events and acts of nature (wind, storms, ﬂ ooding, earthquakes or other seismic activity, etc.) that could occur either while the jack is in active use, or while it is left loaded and unattended. Do not use the jack if it is likely that such conditions will occur.

™

Portable Lift

CAUTION

Failure to observe and comply with the following precautions could result in minor or moderate personal injury. Property damage could also occur.

• When jack is not in use, fully retract the cylinder and protect the entire unit from external damage. Keep the jack clean, avoid weld splatter, and store in a clean dry area. Failure to observe these precautions may cause erratic operation, reduced performance, increased wear and/or damage to jack.

• Keep the jack away from ﬂ ames and heat. For optimum performance, do not expose the jack to temperatures above 150 °F [65 °C]. Failure to observe these precautions may cause erratic operation, reduced performance, increased wear and/or damage to jack.

• Immediately replace worn or damaged parts with genuine Enerpac parts. Enerpac parts are designed to ﬁ t properly and to withstand high loads. Non-Enerpac parts may break or cause the jack to malfunction.

NOTICE

• The jack is not designed for long-term support of lifted objects. If the load must remain supported for more than 30 days, use appropriately rated load support devices to support the load.

• Hydraulic equipment must only be serviced by a qualiﬁ ed hydraulic technician. For repair service, contact the Enerpac Authorized Service Center in your area.

1.3 Crush and Pinch Point Hazard

WARNING

reach in between the cylinder anti-rotation plate and the jack front access cover. Do not touch or grab the anti-rotation rods. Do not place hands in or on the cylinder protective bellows. Serious personal injury can occur if cylinder is lowered and hands, ﬁ ngers or other body parts are present in these areas. See Figure 1.

CRUSH AND PINCH POINT HAZARD! Never

Crush and Pinch Point Hazard Do not reach in this area!

Figure 1, Pinch Point Hazard

2.0 PRODUCT DATA

Table 1 - General Speciﬁ cations (notes and precautions)

Model US Tons kN Load Rating (Maximum Capacity)

Weight

Collapsed Height (fully retracted)

Maximum Stroke (fully extended)

Hydraulic Pressure

Cylinder Advance Speed

Compressed Air Requirements

NOTICE: Speciﬁ cations are subject to change without notice.

Typical 90 - 100 psi [6,2 - 6,9 bar]

Maximum 120 psi [8,3 bar]

PL20014-ASA 200 1779

PL20025-ASA 200 1779

Model Pounds kg

PL20014-ASA 1105 501

PL20025-ASA 1320 599

Model inches mm

PL20014-ASA 34.0 864

PL20025-ASA 45.5 1156

Model inches mm

PL20014-ASA 14.0 356

PL20025-ASA 24.5 622

Model

PL20014-ASA 9898 682

PL20025-ASA 9898 682

Approximately 2.0 to 2.4 inches [51 - 61 mm] per minute.

NOTICE: Actual advance speed will vary depending on available air ﬂ ow, pressure regulator setting,

pump speed, load weight, diameter of incoming air supply line and other variables.

Dynamic Air Pressure Air Flow Volume

Max. Working Pressure at Load Rating

psi bar

130 - 150 CFM [3681 - 4247 l/min]Minimum 50 - 60 psi [3,4 - 4,1 bar]

WARNING

jack load rating. Death, serious personal injury and/or property damage could result.

Weight includes reservoir ﬁ lled with oil but does not include accessories, such as cylinder adapter, extensions or spacers.

Refer to tables 2 and 3, item E1.

Refer to tables 2 and 3, item E2.

WARNING

pressure of the jack hydraulic system is factory set at 10000 psi [700 bar]. Do not attempt to readjust pressure relief valve. Death, serious personal injury and/ or property damage could result.

Do not exceed

The maximum

Table 2 - External Dimensions, PL20014-ASA

A1 A2 B C D E1 E2 F G H

inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm

38.6 980 64.0 1626 15.7 399 25.4 645 89.9 2283 34.0 864 48.0 1219 14.5 368 5.0 127 23.6 599

NOTICE: Height of items E1 and E2 is with swivel load cap installed. Subtract 2 inches (51 mm) if non-swivel load cap is used. Dimensions shown are approximate and subject to change without notice.

Table 3 - External Dimensions, PL20025-ASA

A1 A2 B C D E1 E2 F G H

inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm

38.6 980 64.0 1626 15.7 399 25.4 645 89.9 2283 45.5 1156 70.0 1778 14.5 368 5.0 127 23.6 599

3.0 PRODUCT DESCRIPTION

The Pow’R-LOCK ™ lifting jack provides continuous positive locking of the load through all stages of lifting and lowering. No operator intervention is required to activate or de-activate the automatic locking system.

Two di erent stroke lengths are available. Both models are powered by an external compressed air system (user-supplied). A convenient two-button pendant controls operation of the jack's air motor and directional control valve.

Refer to Section 2.0 for speciﬁ cations, dimensions and other product data. See Figure 2 for a list of major features and components.

4.0 CONFORMANCE TO NATIONAL AND INTERNATIONAL STANDARDS.

Enerpac declares that this product has been tested and conforms to applicable standards and is approved to carry the CE mark. An EU Declaration of Conformity is

enclosed separately.

01 01

12A

See Fig. 3

12B

Key:

01. Lifting Eye

02. Anti-Rotation Tubes

03. Protective Bellows

04. Jack Base

05. Handle Lock Lever

06. Positioning Handle

07. Air Shut-o Valve

08. Rear Cover Supports

09. Detent Pin

10. Hydraulic Reservoir

11. Wheel and Hub 12A. Upper Handle (raised) 12B. Upper Handle (lowered)

13. Hose Storage Hooks

14. Pendant Hose

15. Pendant Control

16. Caster Wheel

17. Lower Handle

18. Rear Access Cover

19. Rubber Latch

20. Tire

21. Hydraulic Cylinder

22. Front Access Cover

23. Anti-Rotation Plate

24. Load Cap

Figure 2, Major Features and Components, PL200 Series Models (PL20014-ASA shown, PL20025-ASA similar)

5.0 ASSEMBLY AND SETUP

5.1 Important Receiving Instructions

Visually inspect all components for shipping damage. Shipping damage is not covered by warranty. If shipping damage is found, notify carrier at once. The carrier is responsible for all repair and replacement costs resulting from damage in shipment.

NOTICE

The jack rear access cover must be removed to gain access to various components and service items discussed in sections 5.2 through 5.4. Refer to Section 7.1 for cover removal instructions.

5.2 Hydraulic Oil Level

Before using the jack or connecting the air supply, remove the oil ﬁ ll plug from the hydraulic reservoir and check the oil level. Add additional hydraulic oil to reservoir if oil level is low. See Section 7.3 for oil level diagram, oil speciﬁ cations and additional instructions.

5.3 Compressed Air Requirements

The compressed air system used with the jack must be capable of providing 80 - 100 psi [5,5 - 6,9 bar] @ 130 CFM [3681 l/min].

The jack is equipped with an air ﬁ lter/regulator assembly, which consists of an air regulator, pressure gauge and moisture trap. See Figure 3, items A, B and F.

A short hose connects the ﬁ lter/regulator to the air-shuto valve. The air inlet connection is a 1/2 inch NPT female thread. See Figure 3, items C, D and E. Refer to Figure 4 for shut-o valve positions.

For e ciency of output and reliable operation, an air supply line of not less than 0.82 inch [20,8 mm] internal diameter is recommended. (Nominal Pipe Size - 3/4 inch pipe).

Check the air pressure gauge with the pendant UP button depressed and the jack air motor running. Be sure there is NO load on the cylinder. This will provide an accurate dynamic air pressure reading.

The minimum dynamic air pressure required to operate the jack will vary, but is typically about 50 to 60 psi [3,4 - 4,1 bar].

Approximately 90 to 100 psi [6,2 to 6,9 bar] dynamic air pressure will be needed for the jack to achieve its rated 200 ton [1779 kN] lifting capacity.

Lifting speed and torque can be adjusted using the knob located at the top of the ﬁ lter/regulator. To prevent damage to jack pneumatic components, the regulator air pressure setting should not exceed 120 psi [8,3 bar].

NOTICE

in reduced air motor life and will void the Enerpac product warranty.

Pressure settings of above 120 psi [8,3 bar] will result

Before using the jack, check the lubricant level in the sight gauge on the air line lubricator. Add additional lubricant if low. Refer to Section 7.6 for air lubricant recommendations and additional air lubricator information.

After the air supply hose has been connected, observe the oil ﬂ ow through the oil drip window while the cylinder is in motion. Verify that the lubricator drip speed is set at 4 to 5 drops per minute.

NOTICE

Air motor must be running and cylinder must be

moving up or down when checking lubricator oil drip speed.

Be sure air pressure gauge (item B) indicates zero (0) psi/bar before removing lubricator ﬁ ll plug (item H).

Key:

A. Air Regulator Knob B. Air Pressure Gauge C. Air Inlet Hose D. Air Inlet Connection

(1/2 inch NPT) E. Air-shuto Valve

F. Air Filter/Regulator (with moisture trap)

G. Air Line Lubricator H. Lubricator Fill Plug I. Oil Drip Window J. Oil Drip Speed Control

(inside oil drip housing)

Figure 3, Filter/Regulator, Air Line Lubricator

and Air Shut-off Valve

5.4 Air Lubrication

The jack pneumatic system is equipped with an automatic air line lubricator. is necessary to provide lubrication for the air motor and to help prevent rust formation.

WARNING

indicates zero (0) psi/bar before removing lubricator ﬁ ll plug. Lubricant may spray from ﬁ ll opening if ﬁ ll plug is removed while system is pressurized, even when air hose has been disconnected and air shut-o valve is in the closed position. Serious eye injury and/or skin penetration could result. If any pressure is indicated, relieve pressure as described in Section 7.2 of this manual.

See Figure 3, items G, H, I and J.

Lubricated air

Be certain that regulator air pressure gauge

OPEN

CLOSED

Figure 4, Air Shut-Off Valve Positions

5.5 Upper Handle Installation

The upper handle is shipped unassembled. Install it as described in the following steps. See Figure 5 for assembly details.

1. Align end of upper handle with opening in lower handle.

Slide upper handle into lower handle until it stops.

2. Secure upper handle with two 3/8-16 inch screws (shipped

loose). Tighten screws to approximately 150 in-lbs [16,9 Nm].

3. Wrap the pendant hose loosely around the hose storage

hooks and hang the pendant control on the upper handle.

Upper Handle

4. After engaging the lock pin and both detent pins, the jack can now be tilted back onto the wheels and pushed or pulled to the work area.

CAUTION

Do not walk backwards while pulling the jack. Always look toward the direction where the jack is being pulled. Failure to observe this precaution may cause you to trip and fall, resulting in possible personal injury.

Handle

Lock Lever

Upper Handle

Lower Handle

Screws

(shipped loose)

Figure 5, Upper Handle Installation

5.6 Using the Handle Assembly

The handle assembly is used for transporting the jack on its wheels and also serves as an aid for positioning the jack under the jacking point. See Figure 6 for adjustment details.

UPPER HANDLE ADJUSTMENT

1. Push the handle lock lever to release the lock pin.

2. With the lock pin released, position the upper handle to the desired location. Then, release the handle lock lever to engage the lock pin.

DETENT PINS - LOWER HANDLE

The detent pins on the lower handle should be engaged in the corresponding holes on the hydraulic reservoir before tilting the jack back on its wheels.

To engage the detent pins:

1. Be sure that the detent pins are pulled-out on both sides of the lower handle.

2. Push down ﬁ rmly on the upper handle. The jack will tilt forward slightly. Align the detent pins with the detent pin holes (located on each side of the hydraulic reservoir).

3. While continuing to push down on the upper handle, push both detent pins inward until they are fully engaged in the detent pin holes.

Lock Pin

Lower Handle

Detent Pin

(one on each side

of lower handle)

Figure 6, Handle Adjustments

(pendant and hose not shown)

To disengage the detent pins:

1. Push down ﬁ rmly on the upper handle to remove weight from the detent pins.

2. Pull out the detent pins on both sides of the lower handle.

3. Slowly release hand pressure on the upper handle until the jack base is resting on the ﬂ oor or ground.

NOTICE

• Be certain that both detent pins are disengaged before using

the jack to lift, support or lower a load. Failure to observe this precaution may result in damage to the lower handle, wheels, or axles.

• To closely position the jack under the load, push down on the

upper handle with the detent pins disengaged.

5.7 Caster Wheel

A caster wheel is mounted at the top end of the upper handle. It allows the jack to be tilted back and pushed or pulled to the desired work location. The caster wheel can also be used to help maneuver the jack when it is being positioned under the jacking point.

For best results, the upper handle should be adjusted to the most upright (vertical) position before using the caster wheel.

Figure 7, Caster Wheel

5.8 Lifting and Supporting the Jack

Two lifting eyebolts are located on the cylinder housing. Use only these eyebolts when it is necessary to lift or support the jack for any reason. Always use a suitable lifting device of adequate capacity. Refer to Section 2.0 for jack weights.

WARNING

support the jack. The handle assembly is not designed for this purpose. Jack will drop if failure of handle assembly occurs. Death, serious personal injury and/or property damage may result.

Lifting

Eyebolt

Never use the handle assembly to lift or

Lifting

Eyebolt

Figure 8, Lifting Eyebolts

6.2 Calculating Load Floor Pressure Requirements

Before the jack is used, it must be veriﬁ ed that the surface below the jack is capable of supporting the load. The following calculation will determine the approximate maximum pressure that will be exerted by the jack against the surface of the ﬂ oor or ground, based on the load being lifted.

WARNING

ﬂ oor and/or ground can safely support the load to be lifted, the jack should not be used in that location. Avoid using jack on overburden or ballast that can shift or crush under load.

Consult a qualiﬁ ed professional, such as a licensed civil engineer or building architect If there are any questions or concerns regarding load ﬂ oor pressure requirements. Failure to observe this instruction may cause an unstable lifting arrangement, resulting in loss of load, personal injury and/or property damage.

LOAD FLOOR PRESSURE CALCULATION:

Weight of Load x Load Factor = Load Floor

• The load factor to be used for the imperial system is 0.0125.

• The load factor to be used for the metric system is 0.00194.

If any doubt exists regarding whether the

Pressure Requirement

6.0 OPERATION

6.1 Jacking Safely

You must know the weight of what you intend to lift and choose a jack with at least 20 percent additional capacity.

All persons operating the jack should obtain and be familiar with the American National Standards Institute rules that apply to hydraulic rams and jacks (ASME ANSI B30.1) or the equivalent standards used in your country or region.

WARNING

Failure to observe and comply with the following precautions could result in death or serious personal injury:

• Never place any part of your body under the load at any time while lifting or lowering is in progress. The load could drop suddenly if it becomes unstable.

• Never leave the jack unattended during operation, even for a brief period of time. Closely monitor jack operation at all times and be prepared to stop lifting or lowering immediately. Load could drop if it is not monitored while jack is in use.

• Avoid placing external forces on the lifted load while it is being supported by the jack. The load may become unstable and fall.

• Do not use the jack outdoors in windy conditions. Changes in wind direction or velocity could cause the load to become unstable and fall.

• When lifting with more than one jack, be especially careful to keep the load level. Leveling is best accomplished by throttling with the air shut-o valve or by alternating and stopping jacks to keep the load level enough so it remains stable and does not drop.

• Never operate the jack with the jack front access cover raised or removed. Serious personal injury could result if ﬁ ngers, hands or other body parts become entangled in the lock nut drive chain mechanism, or in the cylinder threads.

These load factors are applicable to all Pow’R-LOCK ™ jack models.

EXAMPLE:

For a 100000 pound [45359 kg] load, the following equations would apply:

Imperial System: 100000 x 0.0125 = 1250 psi Metric System: 45359 x 0.00194 = 87.99 kg/cm

NOTICE

of side loading. Excessive side loading will reduce the jack's e ective foot print on the load ﬂ oor and will increase the jack contact pressure. Damage to jack components may occur.

The jack is designed to withstand only a limited amount

6.3 Pendant Controls

The air motor will start automatically when either pendant button is depressed. See Figure 9.

• To extend (raise) the cylinder press and hold the pendant UP button.

• To retract (lower) the cylinder press and hold the pendant DOWN button.

• To stop release both pendant buttons.

NOTICE

there may be a brief delay until the desired action occurs. A small amount of time (up to one second) is required for the jack's pneumatic control circuit to respond to pendant commands.

the

cylinder and hold the load -

When depressing or releasing either pendant button,

DOWN

BUTTON

Figure 9, Pendant Controls

BUTTON

6.4 Checking Jack Operation Before Use

Before using the jack for the ﬁ rst time, or if the jack has been in storage for more than 30 days, check the jack operation as described in the following steps:

1. If not already done, check the oil level in the hydraulic reservoir. Refer to Section 7.3 for additional information.

2. Verify that the jack is connected to the compressed air supply, and that the air pressure setting is correct. Refer to section 5.3 for air pressure requirements and recommendations.

3. Be sure that the jack air shut-o valve is in the OPEN position.

NOTICE

to Section 6.3 for pendant control information.

4. Fully extend and retract the cylinder to verify proper

NOTICE

supply is connected and the air-shuto valve is in the OPEN position. This sound is normal, and indicates that the jack pneumatic system is pressurized.

Perform the following step with no load on jack. Refer

operation. If needed, continue cycling the cylinder until operation is smooth, and any trapped air has been removed from the system.

The jack will make a “hissing” sound when the air

6.5 Operating Instructions

WARNING

Failure to observe and comply with the following precautions could result in death or serious personal injury. Load may become unstable or drop. Property damage could also occur.

• Always lift, support and lower the load in accordance with

all applicable work rules and regulations in e ect at your worksite or facility.

• Wait an appropriate amount of time before working under

the load. Any settling of jack base or load supports (if used) into the ground below must not exceed 1/4 inch [6,4 mm]. If additional settling occurs, lower the load and reposition jack on solid ground.

BEFORE BEGINNING THE LIFT:

1. Using the handle assembly, adjust the jack position so that the cylinder load cap is centered under the jacking point of the load. Be sure that the jack base is positioned on a solid and level support surface, with the cylinder perpendicular to the ﬂ oor or ground.

2. After positioning the jack, be sure that both detent pins on the lower jack handle are fully pulled out (disengaged).

NOTICE

using jack to lift, support or lower a load. Failure to observe this precaution may result in damage to the lower handle, wheels, or axles.

3. If a high jacking point requires a taller jack, install extensions

4. Place a piece of good quality plywood or other compression

Be certain that both detent pins are disengaged before

and/or spacers (optional accessories) on the cylinder as required. Refer to Section 6.6 for installation instructions and additional information about extensions and spacers.

material (approximately 1/4 inch [6,4 mm] thick with high friction characteristics) between the cylinder load cap and the jacking point. This will provide a small amount of cushioning and will also help prevent damage to the jacking point.

WARNING

out of position, resulting in possible loss of load, personal injury and/or damage to jack. As required, use a swivel load cap to properly engage an angled lifting point. The slope of the angled lifting point must not exceed 5 degrees.

TO RAISE THE LOAD:

1. Depress and hold the pendant UP button. The air motor will

start and the cylinder will begin extending.

2. When the load has reached the desired height, release the

pendant UP button. The cylinder will stop and the load will remain supported.

NOTICE

load holding device, the use of auxiliary stands, blocking or other additional load supports may be required in your location. Follow all applicable work rules and regulations in e ect at your facility or worksite.

TO LOWER THE LOAD:

WARNING

load is lowered evenly, so that load shifting does not occur. Load shifting could cause instability, which could result in loss of load and/or failure of the jack. This could cause death, serious personal injury and/or property damage.

1. Be certain that no persons are working under the load. Alert

all personnel that the load is about to be lowered.

2. Depress and hold the pendant DOWN button. The air motor

will start and the cylinder will advance a slight amount to raise and release the cylinder lock nut. The cylinder will then begin to retract.

3. When the load has been lowered to the desired height,

release the pendant DOWN button. The air motor will stop.

AFTER COMPLETING THE JOB:

Fully retract the cylinder. the jack air-shuto valve.

2. To remove trapped pressure from the jack pneumatic system,

depress and hold the pendant UP button. The air motor may run for a few seconds but will stop when pressure is relieved.

3. Always store the jack and its accessories in a clean and dry

area, free of moisture and direct sunlight.

NOTICE

top of the cylinder when jack is not in use. This will prevent water from accumulating inside the recessed area at the top of the cylinder.

Jacking at an angle can allow the jack to slip

Although the Pow’R-LOCK ™ jack is designed to be a

Be careful while lowering to ensure that the

Disconnect the air supply hose from

Always keep a load cap or extension installed in the

6.6 Stacking Instructions - Extensions and Spacers

Extensions and spacers are available as optional accessories from your Enerpac authorized distributor. Refer to tables 4 and 5 for additional information.

PLE Series extensions allow the jack's usable lifting height to be increased up to 9 inches [229 mm] for model PL20025-ASA and up to 28 inches [711 mm] for model PL20014-ASA.

PLS Series spacers allow additional ﬁ ne adjustment of the usable lifting height. They may be used alone or in conjunction with PLE Series extensions. Spacers of 1 and 2 inch [25 and 51 mm] heights are available.

▲

Use with jack model PL20014-ASA only.

▼

Use with jack model PL20014-ASA or PL20025-ASA.

PLB12 PLE5 PLE7 PLE9 PLE11 PLE14

▲

▼ ▼ ▼

▲

Table 4 - PLB and PLE Series Extensions (optional accessories)

Extension

Model

PLB12 12 305 44.2 20,0 PLE9 9 229 28.0 12,7

PLE5 5 127 24.6 11,2 PLE11 11 279 31.7 14,4

PLE7 7 178 29.9 13,6 PLE14 14 356 37.4 17,0

WARNING

Extensions PLE11, PLB12 or PLE14 are to be used with the “short” jack model PL20014-ASA only. Use of

Height (each) Weight (each)

inches mm pounds kg inches mm pounds kg

Extension

Model

Height (each) Weight (each)

these extensions on “tall” jack model PL20025-ASA will result in an excessive maximum lifting height. Load could become unstable and drop, resulting in possible personal injury and/or property damage.

NOTICE: Dimensions and weights shown are approximate.

WARNING

Failure to observe the following precautions and instructions may allow the load to shift or drop, resulting in possible personal injury and/or property damage.

• Use only genuine Enerpac PLB, PLE and PLS Series extensions and spacers with the Pow’R-LOCK ™ jack. Never use extensions or spacers that are fabricated or that are designed for use with another lifting device.

• Never exceed the maximum additional stack height for your jack model. Refer to Table 6 for additional information. An excessive stack height will reduce the stability of the jack.

WARNING

precautions, and conditions could result in an unstable lifting arrangement. Load could shift or drop, resulting in possible personal injury and/or property damage.

When using PLB, PLE or PLS Series extensions and spacers, always obey the following rules, precautions, and conditions:

• Table 6 shows the maximum additional stack height (dimension

“X”) that is allowed. When installing extensions and spacers, do not exceed this dimension for your jack model.

• The total height of the PLS Series spacers installed in the stack

must not exceed 2 inches [51 mm].

Failure to observe the following rules,

• Jack model PL20014-ASA: Only one PLB12 base extension

(if used) must be present in the stack, and the PLB12 must always be located at the bottom of the stacking arrangement. Do not attempt to stack two or more PLB12's together.

• Extensions PLE11, PLB12 and PLE14 are designed for use

PLS1

PLS2

with model PL20014-ASA only. To prevent unsafe operation, do not use these extensions on jack model PL20025-ASA (see

Table 5 - PLS Series Spacers (optional accessories)

Spacer Model

Height (each) Weight (each)

inches mm pounds kg

warning statement at bottom of Table 4).

• Be especially careful to avoid o -center loads and side loads

when using extensions and spacers.

PLS1 1.0 25 4.5 2,0

PLS2 2.0 51 9.1 4,1

NOTICE: Dimensions and weights shown are approximate.

Table 6 - Maximum Additional Stack Height

(Using optional PLB and PLE Series extensions and PLS Series spacers)

Maximum Additional

Jack Model

Stack Height

(dimension “X”) inches mm

PL20014-ASA 28.0 711

PL20025-ASA 9.0 229

Stack height (dimension “X”) includes total combined height of all installed extensions and spacers. Load cap height is NOT included in the stack height.

6.7 Load Caps

A swivel load cap is included with the jack as standard equipment. A non-swivel load cap is available as an optional accessory, and is for use in applications where a reduced collapsed height is needed. Refer to Table 7 for load cap model numbers.

NOTICE

points. A swivel load cap should always be used when the amount of misalignment between a non-swivel load cap and the lifting point is too large to be compensated for by use of plywood or other suitable high-friction compression material alone.

Use a swivel load cap to properly engage angled lifting

Figure 10, Rear Access Cover Removal

3. Gently guide the cover rearward until it has cleared the pins and then lift the cover o of the jack.

4. Reverse steps 1, 2 and 3 to reinstall the cover. At the keyway openings, be sure the groove in each cover support pin is aligned with the cover sheet metal before fully installing the cover onto the jack.

WARNING

Always reinstall the jack rear access cover before using the jack. Except as necessary for maintenance procedures, do not operate jack with cover removed. Serious personal injury could occur if persons make contact with hot surfaces or pressurized lines and components while cover is removed. Damage could also occur if falling objects drop onto exposed components.

DD4880045SR PLC1

Table 7 - Load Caps

Load Cap Model

DD4880045SR

Swivel Load Cap

(standard)

PLC1

Non-swivel Load Cap

(optional accessory)

NOTICE: Dimensions and weights shown are approximate.

Height (each) Weight (each)

inches mm pounds kg

3.3 84 20.2 9,2

0.88 22 10.4 4,7

7.0 MAINTENANCE

7.1 Rear Access Cover Removal

The jack rear access cover must be removed to gain access to various inspection, lubrication and maintenance points. Remove the jack rear access cover as described in the following steps:

1. Unhook the rubber latches on each side of the cover.

2. Pull up on the cover until the round openings on the cover keyways align with the cover support pins on the rear of the hydraulic reservoir.

7.2 Depressurizing the Jack Hydraulic and Pneumatic Systems

For some maintenance procedures contained in Section 7 of this manual, it is required that the jack hydraulic and pneumatic systems be depressurized before the procedure can begin. These operations are necessary to ensure the safety of the maintenance personnel.

WARNING

steps may result in unexpected start-up of jack while maintenance and repair procedures are being performed. Uncontrolled release of pressure may also occur if pressurized components are opened or pressurized ﬁ ttings are loosened. Serious personal injury could result.

NOTICE

before the pneumatic system is depressurized. Always be sure to depressurize both systems.

1. Depressurize the jack hydraulic system, as described in

steps 1a through 1c:

a. Check that the jack is connected to the air supply and the

air-shuto valve is in the OPEN position. b. Be sure the cylinder is in the fully retracted position. c. Depress the pendant UP button while watching the

cylinder. Release the UP button IMMEDIATELY when the

cylinder starts advancing (usually after about 1 or 2 seconds).

This procedure will relieve any trapped pressure in the jack

hydraulic system.

Failure to follow the procedure in the following

The hydraulic system must be depressurized ﬁ rst,

NOTICE

To prevent hydraulic pressure from re-building in the system, do not depress the pendant DOWN button at any time during the following steps.

2. Depressurize the jack pneumatic system, as described in

steps 2a through 2f: a. Move the jack air-shuto valve to the CLOSED position. b. Disconnect air supply hose at jack air-shuto valve.

NOTICE

Jack may start and run brieﬂ y in the following step, as

trapped air is expelled from the jack pneumatic system. c. Depress and hold the pendant UP button. Continue

holding button until jack air motor stops running. Motor will

usually stop after about 2 to 6 seconds, depending on length

of air supply hose. d. Verify that there is no audible “air hiss” sound coming

from the jack. e. Remove the jack rear access cover (if not already

removed). Refer to Section 7.1. f. Check the air pressure gauge on the jack ﬁ lter/lubricator.

Verify that it indicates zero (0) psi/bar.

NOTICE

If any pressure is indicated on gauge, be certain that air-shuto valve is in the CLOSED position and that air hose is disconnected from air shut-o valve. Then, repeat steps 2c through 2f.

3. Proceed with desired maintenance or repair procedure.

7.3 Checking Oil Level

Check the hydraulic oil level every 90 days.

1. Be sure that cylinder is fully retracted and that the jack is

positioned on a ﬁ rm and level surface.

2. Remove the jack rear access cover. Refer to Section 7.1.

3. Be sure the air shut-o valve is in the CLOSED position.

4. Unscrew and remove the oil ﬁ ll plug. See Figure 11.

5. Check the oil level in the reservoir. Oil level should be

approximately 1 inch [25 mm] below top of reservoir, with cylinder fully retracted and air motor turned o . See Figure 11.

6. If oil level is low, add Enerpac HF hydraulic oil as required.

Use a funnel to avoid spillage.

NOTICE

• Reservoir is vented. To prevent oil leakage through the air

breather, do not ﬁ ll reservoir completely to the top.

• To help avoid accidental overﬁ lling of reservoir, always make

sure that cylinder is fully retracted before checking oil level or adding additional oil.

• If Enerpac HF is not available at the worksite, use an equivalent

hydraulic oil that meets the speciﬁ cations shown in Table 8.

7. Reinstall oil ﬁ ll plug.

8. Reinstall the jack rear access cover. Refer to Section 7.1.

Table 8 - Hydraulic Oil Speciﬁ cations - ISO 32

ISO Grade Viscosity Index 100 min Viscosity at 210 Viscosity at 100 Viscosity at 0 API Gravity

Flash, C.O.C. Pour Point,

°F °F

°F

42-45 S.U.S.

150-165 S.U.S.

<12000 S.U.S.

31.0-33.0 400

-35

Oil Fill Plug

Oil Level (FULL)

FULL = 1 inch [25 mm] below top of reservoir

Figure 11, Oil Level - Hydraulic Reservoir

(handle assembly removed to show detail)

NOTICE

• Failure to use the proper oil may result in damage to jack hydraulic components and will void the product warranty. Use of Enerpac HF oil is strongly recommended.

• Be sure that the oil is clean. The oil cleanliness should be maintained to a maximum level of 18/16/13 per the ISO4406 standard. If the oil has a milky, cloudy or dark appearance, it should be changed immediately as described in Section 7.4.

7.4 Changing the Oil

Change the oil in the hydraulic reservoir every 12 months or 500 hours of use. See Figure 12.

The following conditions will require more frequent oil changes:

• Rigorous duty, where oil temperature may reach 150 °F [60 °C].

• A high humidity environment and/or extreme changes in temperature that can result in condensation inside the reservoir.

• Dirty or dusty environments that may contaminate the oil.

Change the oil as described in the following steps:

1. Be sure that cylinder is fully retracted.

2. Remove the jack rear access cover. Refer to Section 7.1.

3. Completely relieve any trapped pressure in the jack hydraulic

and pneumatic systems. Disconnect the air supply hose from the air shut-o valve. Follow procedure in Section 7.2.

NOTICE

[18,9 liter] of oil when ﬁ lled to the proper level with cylinder fully retracted and air motor o . Dispose of used oil in accordance with all applicable laws and regulations.

4. Loosen and remove oil drain plug at bottom of reservoir.

5. Clean and reinstall oil drain plug.

6. Remove, clean and reinstall the reservoir air breather.

7. Using a strap wrench, unscrew and remove the old oil ﬁ lter.

The hydraulic reservoir holds approximately 5 gallons

Allow used oil to drain into a suitable container. It may be necessary to tip the jack back slightly to completely drain all oil and any debris from the bottom of the reservoir.

Replace the air breather if clogged or damaged.

Catch any spilled oil in a suitable container. Dispose of spilled oil in accordance with all applicable laws and regulations.

NOTICE

Use only a new 10 micron oil ﬁ lter of the proper

speciﬁ cations (Enerpac Part No. 69670E or equivalent).

8. Before installation, lubricate the new oil ﬁ lter's rubber seal with a small amount of oil. Tighten ﬁ lter hand tight only (do not use tools).

Key:

1. Air Breather

2. Oil Fill Plug

Figure 12, Oil Change

(handle assembly removed to show detail)

9. Remove the oil ﬁ ll plug and add Enerpac HF hydraulic oil as required. Use a funnel to avoid spillage. Oil level should be approximately 1 inch [25 mm] below top of reservoir, with cylinder fully retracted and air motor turned o . See Figure 11 for oil level diagram.

3. Oil Drain Plug

4. Oil Filter

NOTICE

• Reservoir is vented. To prevent oil leakage through the air breather, do not ﬁ ll reservoir completely to the top.

• To help avoid accidental overﬁ lling of reservoir, always make sure that cylinder is fully retracted before checking oil level or adding additional oil.

• If Enerpac HF is not available at the worksite, use an equivalent hydraulic oil that meets the speciﬁ cations shown in Table 8.

10. Clean the oil ﬁ ll plug and apply thread sealant to the threads.

Reinstall oil ﬁ ll plug.

WARNING

In the following step, it will be necessary to extend and retract the cylinder several times. Stay clear of the cylinder and related components. Keep hands and ﬁ ngers away from pinch and crush points. Serious personal injury could occur if these precautions are not observed. Refer to Section 1.3 of this manual for additional hazard information.

11. With no load on the jack, extend and retract the cylinder

several times to check for proper operation, and to remove any trapped air in the hydraulic system.

12. With the cylinder fully retracted and the pump motor o ,

re-check oil level to be sure that it has not dropped. Add additional oil if required. See Figure 11 for oil level diagram.

13. Reinstall the jack rear access cover. Refer to Section 7.1.

7.5 Air Line Filter/Regulator (See Figure 13)

Every 30 hours of operation:

1. Remove the jack rear access cover. Refer to Section 7.1.

2. Completely relieve any trapped pressure in the jack hydraulic

and pneumatic systems. Disconnect the air supply hose from the air shut-o valve. Follow procedure in Section 7.2.

3. Check the ﬁ lter bowl sight gauge for water. A manual drain is

located at the bottom of the ﬁ lter/regulator bowl. If water is present, drain it into a suitable container and dispose of it in accordance with all applicable laws and regulations. Be sure the drain is fully closed after draining is completed.

Rear View

Key:

A. Air Regulator Knob B. Air Pressure Gauge C. Air Inlet Hose D. Air Inlet Connection

(1/2 inch NPT) E. Air-shuto Valve

Figure 13, Routine Service and Maintenance Items - Air Filter/Regulator and Air Line Lubricator

(item B) indicates zero (0) psi/bar before removing lubricator ﬁ ll plug (item H) or performing maintenance activities.

F. Air Filter/Regulator (with moisture trap)

G. Air Line Lubricator H. Lubricator Fill Plug I. Oil Drip Window J. Oil Drip Speed Control

Be sure air pressure gauge

K. Filter Bowl Sight Gauge L. Drain Valves M. Lubricant Bowl Sight Gauge N. Lubricant Bowl O. Filter Bowl

Front View

4. Remove ﬁ lter bowl and inspect the air ﬁ lter element (inside ﬁ lter bowl). Replace ﬁ lter element if dirty.

NOTICE

Norgren for detailed maintenance instructions, ﬁ lter elements and replacement parts.

Filter/regulator is manufactured by Norgren. Contact

7.6 Air Line Lubricator (See Figure 13)

Every 30 hours of operation:

1. Remove the jack rear access cover. Refer to Section 7.1.

2. Check the sight gauge on the air line lubricant bowl. The lubricant level should be at least 1/2 full.

NOTICE

described in steps 3 through 6. If lubricant level is OK, skip these steps and go to step 7.

3. Completely relieve any trapped pressure in the jack hydraulic

completely depressurized and regulator air pressure gauge indicates zero (0) psi/bar before removing lubricator ﬁ ll plug. Lubricant may spray from ﬁ ll opening if ﬁ ll plug is removed while system is pressurized, even when air hose has been disconnected and air shut-o valve is in the closed position. Serious eye injury and/or skin penetration could result.

4. Remove the lubricator ﬁ ll plug. Add additional lubricant as

For ambient temperatures above 32°F [0°C], use a high quality

NOTICE

gauge. Do not operate jack with excess lubricant in lubricant bowl. If lubricant bowl is overﬁ lled, jack air logic circuit may become ﬂ ooded with lubricant, preventing normal operation of jack.

5. Reinstall the lubricator ﬁ ll plug.

6. Reconnect the air supply hose. Be sure the air shut-o valve

7. Check the lubricator drip speed in the drip window:

• Drip speed should be 4 to 5 drops per minute. Always check

• If drip speed is too slow or too fast, readjust the drip speed

NOTICE

Norgren for detailed maintenance instructions, ﬁ lter elements and replacement parts.

8. Reinstall the jack rear access cover. Refer to Section 7.1.

If lubricant level is low, add additional lubricant as

and pneumatic systems. Disconnect the air supply hose from the air shut-o valve. Follow procedure in Section 7.2.

WARNING

required, until the level reaches the top of the lubricant bowl sight gauge. DO NOT OVERFILL!

SAE 10 [ISO 32] air tool lubricant. For ambient temperatures below 32°F [0°C], use only a glycol-based anti-freeze air tool lubricant (Enerpac part number DD5142835 or equivalent).

is in the OPEN position.

the drip speed while the cylinder is advancing or retracting.

as required. Use a ﬂ at blade screwdriver to turn the drip speed adjustment screw.

Be certain that jack pneumatic system is

Lubricant level must not be higher then top of site

Air line lubricator is manufactured by Norgren. Contact

7.7 Air Mu er (See Figure 14)

Every 30 hours of operation:

1. Remove the jack rear access cover. Refer to Section 7.1.

2. Disconnect the air supply hose from the air shut-o valve. Completely relieve any trapped air in the jack pneumatic system. Follow procedure in Section 7.2.

3. Inspect the air mu er. Remove any loose dirt or debris.

4. If old air mu er is very dirty or clogged, replace it with a new air mu er. Use only a 25 micron air mu er of the original speciﬁ cations (Enerpac Part No. DD4791116 or equivalent).

Air Mu er

Figure 14, Air Muffler

7.8 Wheels and Tires (See Figure 15)

Every 30 hours of operation:

• Check the tires for wear or damage. Replace as required.

• Check the tire inﬂ ation pressure. Each tire should be inﬂ ated

to 90 psi [6,2 bar].

Every 12 months:

• Each wheel hub contains a grease ﬁ tting. Lubricate both wheel

bearings with a high quality wheel bearing grease.

• Inspect the caster wheel for damage and check that it turns

and pivots freely. Remove any loose dirt and lubricate bearings with oil. Refer to Figure 7 in Section 5.7 of this manual.

Wheel Bearing Grease Fitting

Tire Air Valve

Figure 15, Wheels and Tires

7.9 Lubrication of Cylinder Threads and Lock Nut Chain Drive (See Figures 16-19)

The cylinder threads and lock nut drive chain should be lubricated approximately every 30 hours of operation. Both lubrication activities can be performed at the same time, as described in the following steps:

1. Be sure there is no load on the jack.

2. Unhook the rubber latches and remove the jack rear access cover. See Section 7.1 for procedure.

NOTICE

must be fully extended and the jack pneumatic system must be depressurized. Follow instructions in steps 3a-3f.

3. Fully extend the cylinder and depressurize the jack pneumatic

a. Depress and hold the pendant UP button to raise the

b. Move the jack air-shuto valve to the CLOSED position. c. Disconnect air supply hose at jack air-shuto valve.

NOTICE

trapped air is expelled from the jack pneumatic system. d. Depress and hold the pendant UP or DOWN button.

e. Verify that there is no audible “air hiss” sound coming

f. Check the air pressure gauge on the jack ﬁ lter/lubricator.

NOTICE

air-shuto valve is in the CLOSED position and that air hose is disconnected from air shut-o valve. Then, repeat steps 2d through 2f.

and that air regulator pressure gauge indicates zero (0) psi/ bar before continuing with this procedure. Jack will start immediately if air pressure is indicated on gauge, and either pendant button is depressed. Lock nut and chain will begin turning. Serious personal injury could occur if jack is started while persons are performing lubrication procedures.

4. Raise the jack front access cover so that the cylinder threads

Before performing lubrication procedures, the cylinder

system:

cylinder. Continue holding the button until the cylinder is fully extended and the jack air motor stops running. See Figure 16.

Jack may start and run brieﬂ y in the following step, as

Continue holding button until jack air motor stops running. Motor will usually stop after about 2 to 6 seconds, depending on length of air supply hose.

from the jack.

Verify that it indicates zero (0) psi/bar.

If any pressure is indicated on gauge, be certain that

WARNING

Be certain that air supply hose is disconnected

are exposed as much as possible. See Figure 17.

Figure 17, Lifting Front Access Cover to Expose Threads

5. Attach a lifting sling to the front access cover. Wrap the sling around the anti-rotation plate and load cap, so that the cover is held in the raised position. Be certain that the sling is strong enough to support the weight of the cover (approximately 15 lbs [5,6 kg] ) and that it is securely fastened.

6. Perform the following inspection and lubrication tasks. See Figure 18.

• Remove any loose dirt or debris from the chain drive

assembly.

• Check each chain tensioner to verify that it is applying

ﬁ rm spring tension against the chain. If the tensioner does not move freely, or if spring tension is weak, it should be replaced. The tensioners are not adjustable or repairable.

• Check the tensioner rollers for obvious indications of wear

or damage. Replace rollers as required. The rollers are available as a separate replacement part.

• Check all teeth on the lock nut and drive sprockets for

obvious indications of wear or damage. Replace these parts as required.

NOTICE

Refer to Table 9 for gear oil speciﬁ cations.

• Apply a ﬁ lm of SAE 80w-90 gear oil [ISO 150] to the links

of the lock nut drive chain.

• At each tensioner, apply a small amount of 80w-90 gear

oil [ISO 68] to the exposed areas of the tensioner pivot bushing, located under the tensioner retaining nut. Some of the oil will ﬂ ow past the bushing and onto the tensioner pivot shaft. Removal of nut is not required.

Figure 16, Fully Extending the Cylinder

Table 9 - Gear Oil Speciﬁ cations - SAE 80w-90 [ISO 150]

(Use for lubricating cylinder threads, lock nut drive chain, sprockets and tensioner pivot shaft.)

SAE Grade ISO Grade Viscosity Index 103 Viscosity at 40 Viscosity at 100 Flash Point. Pour Point, NOTICE: Speciﬁ cations shown in this table are typical. Exact

speciﬁ cations may di er slightly, depending on oil brand.

°C, cSt

°cSt

°C

°F

80w-90 150

136

14.5 202

-30

Lubricate with gear oil.

✽

(see Section 7.9 for detailed instructions)

✽

Key:

A. Hydraulic Cylinder B. Lock Nut C. Drive Chain D. Roller E 1. Chain Tensioner

7. Remove any loose dirt or debris from the cylinder threads and inspect the threads for obvious wear or damage. If the old lubricant has dried-up, clean the threads with a brush and some solvent before applying new lubricant.

8. Using an oil bottle with spout, apply two vertical streams of SAE 80w-90 gear oil [ISO 150] on the exposed cylinder threads, from top to bottom of cylinder. See Figure 19.

Apply two streams of gear oil to threads.

(see Section 7.9 for detailed instructions)

Figure 19, Cylinder Thread Lubrication

E 2. Tensioner Pivot Shaft F. Chain Drive Plate G. Drive Sprocket H. Proximity Sensors I. Lock Nut Sprocket

Figure 18, Lock Nut Chain Drive Assembly

9. Remove the lifting sling and lower the jack front access cover to its normal position, so it is supported by the chain drive plate. The front access cover and protective bellows should now completely cover the cylinder threads and chain drive mechanism.

WARNING

installed and fully lowered before starting the jack. Never operate the jack with the front access cover removed or raised, either during lubrication and maintenance procedures or when the jack is in use. Failure to observe this precaution may result in persons becoming entangled in the moving parts of the chain drive mechanism. Serious personal injury could result.

10. Reconnect the air supply hose and move the air-shuto

valve to the OPEN position.

WARNING

extend and retract the cylinder several times. Stay clear of the cylinder and related components. Keep hands and ﬁ ngers away from pinch and crush points. Serious personal injury could occur if these precautions are not observed. Refer to Section 1.3 of this manual for additional hazard information.

11. With no load on the jack, fully extend and retract the cylinder

several times to distribute the gear oil on the cylinder threads, and on the chain and drive components. Verify proper operation.

12. Reinstall the jack rear access cover. Refer to Section 7.1.

Be certain that jack front access cover is

In the following step, it will be necessary to

✽

8.0 TROUBLESHOOTING

The information in the Troubleshooting Guide (refer to Table 10) is intended as an aid to help diagnose and correct various possible problems that may occur.

For repair service, contact your local Enerpac Authorized Service Center. Only an Enerpac Authorized Service Center should service the jack and its components.

Table 10 - Troubleshooting Guide

Symptom Possible Cause Solution

1. Sporadic cylinder action and/or sluggish operation.

a. Air trapped in hydraulic system. Cycle cylinder up and down several times to bleed trapped air.

b. Low oil level in hydraulic reservoir. Add Enerpac HF oil as required. c. Insu cient compressed air pressure

or volume.

Check air pressure at ﬁ lter/regulator. Increase regulator setting if pressure shown on gauge is too low.

WARNING

Failure to observe and comply with the following precautions could result in death or serious personal injury. Property damage could also occur.

• Never tighten or loosen hydraulic ﬁ ttings while jack hydraulic system is pressurized. Escaping oil under pressure can penetrate the skin, causing serious personal injury.

• Keep hands, ﬁ ngers and other body parts clear of pinch points and moving parts when observing operation during troubleshooting.

• To prevent injury, always be sure the jack air shut-o valve is in the CLOSED position and that the air supply hose is disconnected before beginning any maintenance, adjustment or repair procedures. Be certain that any trapped pressure is completely relieved as described in Section 7.2 of this manual.

If necessary, increase volume of compressed air or increase size of supply air line to meet airﬂ ow and pressure requirements.

d. Clogged or blocked pump intake screen.

e. Pneumatic control circuit components leaking, worn, damaged or out of adjustment.

f. Seal wear, internal leakage, worn components and/or other internal damage.

2. Noisy operation. a. Air trapped in hydraulic system. Cycle cylinder up and down several times to bleed trapped air.

b. Low oil level in hydraulic reservoir. Add Enerpac HF oil as required. c. Air mu er missing or damaged. Replace air mu er.

d. Air leaks in hydraulic system. Check all points where air might leak into system. Tighten, repair or replace

e. Clogged or blocked pump intake screen.

f. Air motor worn or damaged. Have air motor inspected by Enerpac Authorized Service Center. Repair or

3. Oil is overheating. a. Low oil level in hydraulic reservoir. Add Enerpac HF oil as required. b. Oil viscosity too high or too low. Drain oil from reservoir and reﬁ ll with Enerpac HF oil. c. Excessive cycling of cylinder. Reduce cycling of cylinder. Allow time for oil to cool between lifts. d. Jack is overloaded. Reduce load or use a di erent jack of higher capacity.

Have hydraulic reservoir and intake screen ﬂ ushed and cleaned by Enerpac Authorized Service Center.

Have pneumatic control circuit inspected by Enerpac Authorized Service Center. Repair or replace components as required.

Have hydraulic system inspected by Enerpac Authorized Service Center. Repair or replace components as required.

components as required. Have hydraulic reservoir and intake screen ﬂ ushed and cleaned by

Enerpac Authorized Service Center.

replace components as required.

NOTICE: Oil may overheat if jack is overloaded, and oil runs over the relief valve for a prolonged period of time.

e. High pressure leakage at the pump. Have hydraulic system inspected by Enerpac Authorized Service Center.

(Continued on next page)

Repair or replace components as required.

1616

Table 10 - Troubleshooting Guide (Continued)

Symptom Possible Cause Solution

4. Motor does not run when either pendant button is depressed.

5. Motor starts when pendant UP or DOWN button is depressed, but cylinder does not move, or moves only a small amount.

a. Air supply valve in the CLOSED position.

b. Insu cient compressed air pressure. Check air pressure at ﬁ lter/regulator. Increase regulator setting if pressure

c. Insu cient compressed air volume. If necessary, increase volume of compressed air or increase size of supply

d. Air mu er restricted by ice or debris. Check air mu er for ice or debris. Replace mu er if clogged.

e. Moisture in compressed air causing ice formation in motor.

f. Pendant damaged. Have pendant assembly inspected by Enerpac Authorized Service Center.

g. Pneumatic control circuit components leaking, worn, damaged or out of adjustment.

h. Hydraulic system components leaking, worn, damaged or out of adjustment.

. Motor physically locked and/or pump

element seized.

a. Insu cient compressed air pressure or volume.

b. Air mu er restricted by ice or debris. Check mu er for ice or debris. Replace mu er if clogged.

Move valve lever to the OPEN position. Check that ﬁ lter/regulator gauge indicates pressure.

shown on gauge is too low. Do not exceed 120 psi [8,3 bar].

air line to meet airﬂ ow and pressure requirements.

NOTICE: If pressure gauge reading drops a large amount (more than about 40 psi [2,75 bar]) when either pendant button is depressed, it is an indication that the available compressed air volume may be too low.

Refer to step 10 of Troubleshooting chart if ice is present. Be sure that compressed air is clean, dry and free of water.

Refer to step 10 of Troubleshooting chart if ice formation is present or suspected.

Repair or replace components as required. Have pneumatic control circuit inspected by Enerpac Authorized Service

Center. Repair or replace components as required.

Have hydraulic system inspected by Enerpac Authorized Service Center. Repair or replace components as required.

Have air motor, hydraulic pump and related components inspected by Enerpac Authorized Service Center. Repair or replace components as required.

Check air pressure at ﬁ lter/regulator. Increase regulator setting if pressure shown on gauge is too low. Do not exceed 120 psi [8,3 bar].

If necessary, increase volume of compressed air or increase size of supply air line.

NOTICE: When pendant DOWN button is depressed, the cylinder will move upward a small amount before retraction begins. This is normal operation.

6. Cylinder advances when pendant DOWN button is depressed.

Refer to step 10 of troubleshooting if ice formation is present. c. Jack is overloaded. Reduce load or use a di erent jack of a higher capacity. d. Cylinder hydraulic control valve not

shifting.

e. Lock nut spin-up sensor dirty or plugged (this symptom is applicable to the cylinder advance circuit only).

f. Cylinder lock nut not turning. Refer to step 9 of troubleshooting.

g. Pneumatic system air line lubricator is overﬁ lled.

h. Pneumatic control circuit components leaking, worn, damaged or out of adjustment.

i. Hydraulic system components leaking, worn, damaged or out of adjustment.

a. Proximity-2 lock nut position sensor dirty or plugged.

b. Pneumatic system air line lubricator is overﬁ lled.

(Continued on next page)

Have control valve inspected by Enerpac Authorized Service center. Repair

or replace components as required.

NOTICE:

overrides can be used to shift the valve to test cylinder retract and extend

operation.

Have lock nut spin-up sensor checked by Enerpac Authorized Service

Center. Verify that sensor ports and air lines are not dirty or blocked.

Drain excess lubricant from air line lubricant bowl. Do not operate jack for

8 to 12 hours to allow excessive lubricant to clear from jack pneumatic

control circuit.

Have pneumatic control circuit inspected by Enerpac Authorized Service

Center. Repair or replace components as required.

Have hydraulic system inspected by Enerpac Authorized Service Center.

Repair or replace components as required.

Have Proximity-2 sensor checked by Enerpac Authorized Service Center.

Verify that sensor ports and air lines are not dirty or blocked.

Drain excess lubricant from air line lubricant bowl. Do not operate jack for 8

to 12 hours to clear excessive lubricant from jack pneumatic control circuit.

A manual override pin is located on each end of the valve. These

1717

Table 10 - Troubleshooting Guide (Continued)

Symptom Possible Cause Solution

7. Cylinder stops retracting when lock nut contacts cylinder housing. Does not fully retract.

8. Lock nut turns too slowly when cylinder is retracted.

Cylinder stops part-

way and will not fully retract.

9. Lock nut not turning. a. Cylinder threads need lubrication. Clean and lubricate cylinder threads. Refer to Section 7.9.

a. Lock nut not turning. Refer to Step 9 of troubleshooting. b. Lock nut spin-up sensor dirty or

plugged. c. Pneumatic system air line lubricator is

overﬁ lled. d. Pneumatic control circuit components

leaking, worn, damaged or out of adjustment.

e. Hydraulic system components leaking, worn, damaged or out of adjustment.

a. Lock nut not turning freely on cylinder threads.

b. Lock nut drive train components are worn or loose.

c. Cylinder lowering too fast. Have Enerpac Authorized Service Center inspect the counterbalance

b. Lock nut drive chain derailed, broken or worn.

Have lock nut spin-up sensor checked by Enerpac Authorized Service Center. Verify that sensor ports and air lines are not dirty or blocked.

Drain excess lubricant from air line lubricant bowl. Do not operate jack for 8 to 12 hours to clear excessive lubricant from jack pneumatic control circuit.

Have pneumatic control circuit inspected by Enerpac Authorized Service Center. Repair or replace components as required.

Have hydraulic system inspected by Enerpac Authorized Service Center. Repair or replace components as required.

Clean and lubricate cylinder threads. Refer to Section 7.9.

Have Enerpac Authorized Service Center inspect condition of lock nut drive chain, sprockets and related components. Repair or replace components as required.

valve and related hydraulic system components. Adjust, repair or replace components as required.

Inspect lock nut drive chain. Reinstall or replace chain as required. Determine if other problems may have caused drive chain wear or failure.

10. Ice formation at

pump air mu er.

Ice formation at lock

nut position sensors.

11. Jack is di cult to

roll on wheels.

c. Lock nut drive components are worn or loose.

d. Lock nut position sensors dirty or plugged.

e. Pneumatic control circuit components leaking, worn, damaged or out of adjustment.

f. Hydraulic system components leaking, worn, damaged or out of adjustment.

a. Water in the air ﬁ lter bowl. Check air ﬁ lter bowl for water. Drain water from bowl if present.

b. Air ﬁ lter element dirty. Clean or replace air ﬁ lter element (inside ﬁ lter/regulator).

c. Air line lubricator is empty. Fill lubricant bowl with anti-freeze lubricant. Refer to Section 7.6 for

d. Air line lubricator drip speed incorrect.

e. Air supply contains excessive water. Reduce amount of water in air supply.

a. Low tire inﬂ ation pressure. Check tire inﬂ ation pressure. Add air if low.

b. Wheel bearings need lubrication. Apply grease to wheel bearings. See Section 7.8. c. Wheel lock nut out of adjustment. Loosen lock nut until wheel rotates freely. d. Caster wheel worn or stuck. Inspect caster wheel for wear and verify that it rotates and pivots freely.

Have Enerpac Authorized Service Center inspect condition of lock nut drive chain, sprockets and related components. Repair or replace components as required.

Check the spin-up sensor and Proximity-2 sensor. Verify that sensor ports and air lines are not dirty or blocked. Refer to step 10 of troubleshooting if ice has formed on or inside sensors.

Have pneumatic control circuit inspected by Enerpac Authorized Service Center. Repair or replace components as required.

Have hydraulic system inspected by Enerpac Authorized Service Center. Repair or replace components as required.

additional information. Adjust the lubricator drip speed to 4 to 5 drops per minute.

Pressure should be 90 psi [6,2 bar].

Lubricate bearings with oil if necessary. Replace caster wheel if required.

Hoja de instrucciones

POWERFUL SOLUTIONS. GLOBAL FORCE.

Pow’R-LOCK ™ Sistema de elevación portátil

Modelos de la serie PL200 (neumáticos)

L4075 Rev. B 07/14

1.0 SEGURIDAD

1.1 Introducción

Lea atentamente todas las instrucciones. Siga todas las precauciones de seguridad recomendadas para evitar daños personales, así como daños al gato y/o daños a otros bienes. Enerpac no puede responsabilizarse por daños o lesiones derivados del uso inseguro del producto, falta de mantenimiento o uso incorrecto. No quite las etiquetas, pegatinas ni calcomanías de advertencia. Si tiene alguna pregunta o duda, póngase en contacto con Enerpac o con algún distribuidor local de Enerpac.

Si nunca ha recibido formación sobre seguridad hidráulica de alta presión, consulte con su distribuidor o con el centro de servicio técnico para recibir un curso gratuito de seguridad hidráulica de Enerpac.

En este manual se emplea un sistema de símbolos de alerta de seguridad, palabras de advertencia y mensajes de seguridad para avisar al usuario de riesgos especíﬁ cos. El incumplimiento de las siguientes advertencias podría causar la muerte o lesiones graves, así como daños al equipo u otros bienes.

El Símbolo de alerta de seguridad aparece a lo largo de este manual. Se utiliza para avisarle de posibles riesgos de lesiones físicas. Preste especial atención a los símbolos de

alerta de seguridad y obedezca todos los mensajes de seguridad que siguen este símbolo para evitar la posibilidad de muerte o lesiones personales graves.

Los símbolos de alerta de seguridad se utilizan en combinación con ciertas palabras de advertencia que llaman la atención sobre mensajes de seguridad o mensajes de daños materiales, e indican un grado o nivel de gravedad del riesgo. Las palabras de advertencia utilizadas en este manual son PELIGRO, ADVERTENCIA, PRECAUCIÓN y ATENCIÓN.

PELIGRO

ADVERTENCIA

PRECAUCIÓN

ATENCIÓN

ATENCIÓN:

Indica una situación peligrosa que, si no se evita, ocasionará la muerte o lesiones graves.

Indica una situación peligrosa que, de no evitarse, puede ocasionar la muerte o lesiones graves.

Indica una situación peligrosa que, de no evitarse, puede ocasionar lesiones menores o moderadas.

Indica información que se considera importante, pero no relacionada con peligro (por ejemplo, mensajes relacionados con daños materiales). Tenga en cuenta que el símbolo de alerta de seguridad no se utiliza en combinación con esta palabra de advertencia.

1.2 Medidas de seguridad - Sistema de elevación portátil Pow’R-LOCK

El incumplimiento de las siguientes precauciones de seguridad podría ocasionar la muerte o lesiones graves. También podrían producirse daños materiales.

• Mantenga las manos y los pies alejados del cilindro hidráulico y sus componentes durante el funcionamiento del gato.

• Lleve siempre equipo de protección personal (PPE) al operar el equipo hidráulico (como guantes, gafas protectoras, protección de la cabeza, calzado de protección, etc.).

• No toque mangueras bajo presión. El aceite saliente bajo presión puede penetrar la piel y causar lesiones graves. Consulte inmediatamente a un médico, si se ha inyectado aceite debajo de la piel.

• El gato debe utilizarse solo para la elevación de cargas y para soportar cargas elevadas. Nunca utilice el gato para empujar o separar objetos, o para otros ﬁ nes que no estén relacionados con la elevación.

• Nunca exceda la capacidad certiﬁ cada del gato. Permita un margen de seguridad que prevenga la posibilidad de desplazamiento o desviación de la carga. El incumplimiento de esta advertencia podría causar un fallo del gato.

• Nunca intente forzarlo con dispositivos de protección contra sobrecarga. La válvula de alivio interna del gato solo debe ser reparada o ajustada por un centro de servicio técnico autorizado. La presión máxima de trabajo del sistema hidráulico del gato es 10000 psi [700 bar]. Ajustes mayores pueden provocar lesiones personales y/o daños al equipo.

• Asegúrese de que el equipo está estable antes de levantar la carga. Utilice el gato sobre una superﬁ cie sólida y nivelada, capaz de soportar la carga y la base del gato. Coloque siempre la carga en el centro de la silleta del gato. Si el gato no está en posición perpendicular a la carga, esta podría deslizarse o soltarse.

• Distribuya la carga de manera uniforme cuando efectúe elevaciones con múltiples gatos. Si no cumple esta advertencia, podría soltarse la carga y/o podría darse un fallo de los gatos.

• Tenga en cuenta los posibles acontecimientos externos y actos de la naturaleza (viento, tormentas, inundaciones, terremotos u otra actividad sísmica, etc.) que podrían ocurrir mientras el gato está en uso, o mientras se deje cargado sin supervisión. No utilice el gato si es probable que estas condiciones podrían ocurrir.

™

ADVERTENCIA

PRECAUCIÓN

El incumplimiento de las siguientes precauciones de seguridad podría ocasionar lesiones menores o moderadas. También podrían producirse daños materiales.

• Cuando no se utilice el gato, retraiga completamente el cilindro y proteja toda la unidad de daños externos. Mantenga el gato limpio, evite salpicaduras de soldaduras y guárdelo en un lugar limpio y seco. El incumplimiento de estas precauciones puede provocar un funcionamiento errático, menor rendimiento, mayor desgaste y/o daño al gato.

• Mantenga el gato alejado de llamas y calor. Para un rendimiento óptimo, no exponga el gato a temperaturas superiores a 150 ºF [65 ºC]. El incumplimiento de estas precauciones puede provocar un funcionamiento errático, menor rendimiento, mayor desgaste y/o daño al gato.

• Sustituya inmediatamente las piezas desgastadas o dañadas por piezas originales de Enerpac. Las piezas de Enerpac están diseñadas para encajar debidamente y resistir grandes cargas. Piezas que no sean de Enerpac pueden romperse o causar un fallo del gato.

ATENCIÓN

• El gato no está diseñado para un soporte prolongado de objetos elevados. Si la carga debe permanecer apoyada por más de 30 días, utilice dispositivos de soporte de carga de una capacidad apropiada para soportar la carga.

• El mantenimiento del equipo hidráulico solo debe ser realizado por un técnico hidráulico cualiﬁ cado. Comuníquese con el Centro de Servicio Autorizado de Enerpac en su zona para prestarle servicio de reparaciones.

1.3 Peligro de aplastamiento y machucadura

ADVERTENCIA

Nunca introduzca las manos entre la placa anti-rotación del cilindro y la tapa de acceso delantera del gato. No toque ni introduzca las manos en los rodillos anti-rotación. No coloque las manos en o sobre los fuelles protectores del cilindro. Pueden producirse lesiones personales graves si el cilindro se baja y las manos, dedos u otras partes del cuerpo están presentes en estas áreas. Véase ﬁ gura 1.

¡PELIGRO DE APLASTAMIENTO Y MACHUCADURA!

Peligro de aplastamiento y machucadura ¡No introduzca las manos en

esta zona!

Figura 1, Peligro de machucadura

2.0 DATOS DEL PRODUCTO

Tabla 1 - Especiﬁ caciones generales

Modelo Toneladas EE.UU. kN Capacidad de carga (Capacidad máxima)

Peso

Altura cilindro retraído (completamente retraído)

Carrera máxima (completamente extendido)

Presión hidráulica

Velocidad de avance de cilindro

Requisitos del aire comprimido

ATENCIÓN: Sujeto a modiﬁ caciones sin previo aviso.

Típico 90 - 100 psi [6,2 - 6,9 bar]

Máximo 120 psi [8,3 bar]

PL20014-ASA 200 1779

PL20025-ASA 200 1779

Modelo Libras kg

PL20014-ASA 1105 501

PL20025-ASA 1320 599

Modelo pulgadas mm

PL20014-ASA 34.0 864

PL20025-ASA 45.5 1156

Modelo pulgadas mm

PL20014-ASA 14.0 356

PL20025-ASA 24.5 622

Presión máxima de funcionamiento a

Modelo

PL20014-ASA 9898 682

PL20025-ASA 9898 682

Aproximadamente 2.0 a 2.4 pulgadas [51 - 61 mm] por minuto.

ATENCIÓN: La velocidad de avance real puede variar en función del ﬂ ujo de aire disponible, el

ajuste del regulador de presión, la velocidad de la bomba, el peso de la carga, el diámetro de la

línea de aire entrante y otras variables.

Presión dinámica del aire Volumen del ﬂ ujo de aire

capacidad de carga

psi bar

130 - 150 CFM [3681 - 4247 l/min]Mínimo 50 - 60 psi [3,4 - 4,1 bar]

(notas y precauciones)

ADVERTENCIA

capacidad de carga del gato. Podría causar la muerte, lesiones graves y/o daños materiales.

El peso incluye un depósito lleno de aceite, pero no incluye accesorios, tales como un adaptador del cilindro, extensiones o espaciadores.

Consulte las tablas 2 y 3, pieza E1.

Consulte las tablas 2 y 3, pieza E2.

ADVERTENCIA

máxima del sistema hidráulico del gato es ajustada en fábrica a 10000 psi [700 bar]. No intente reajustar la válvula de alivio. Podría causar la muerte, lesiones graves y/o daños materiales.

No exceda la

La presión

Tabla 2 - Dimensiones externas, PL20014-ASA

A1 A2 B C D E1 E2 F G H

pulgada

38.6 980 64.0 1626 15.7 399 25.4 645 89.9 2283 34.0 864 48.0 1219 14.5 368 5.0 127 23.6 599

ATENCIÓN: La altura de las piezas E1 y E2 es con silleta giratoria instalada. Reste 2 pulgadas (51 mm) si se usa una silleta no giratoria. Las dimensiones indicadas son aproximadas y sujetas a cambios sin previo aviso.

Tabla 3 - Dimensiones externas, PL20025-ASA

A1 A2 B C D E1 E2 F G H

pulgada

38.6 980 64.0 1626 15.7 399 25.4 645 89.9 2283 45.5 1156 70.0 1778 14.5 368 5.0 127 23.6 599

2121

3.0 DESCRIPCIÓN DEL PRODUCTO

El gato de elevación Pow’R-LOCK ™ proporciona un bloqueo positivo continuo de la carga durante todas las etapas de elevación y descenso. No se requiere la intervención del operador para activar o desactivar el sistema de bloqueo automático.

Hay disponibles dos longitudes de carrera. Ambos modelos están equipados con un sistema de aire comprimido externo (suministrado por el usuario). Una botonera práctica con dos botones controla el funcionamiento del motor de aire del gato y de la válvula de control direccional.

Consulte el párrafo 2.0 para las especiﬁ caciones, las dimensiones y otros datos del producto. Véase ﬁ gura 2 para una lista de las principales características y componentes.

4.0 CONFORMIDAD CON LAS NORMAS NACIONALES E INTERNACIONALES

Enerpac declara que este producto ha sido probado, que cumple con las normas aplicables y que está aprobado para llevar la marca CE. Una declaración de conformidad UE se

adjunta por separado.

01 01

12A

Véase ﬁ g. 3.

12B

Clave:

01. Ojillo de elevación

02. Tubos antirotación

03. Fuelles protectores

04. Base del gato

05.

Palanca de bloqueo de la manija

06. Palanca de posicionamiento

07.

Válvula de suministro de aire

08. Soportes de tapa trasera

09. Pasador de retención

10. Depósito hidráulico

11. Rueda y cubo 12A. Manija superior (levantada) 12B. Manija superior (bajada)

13.

Ganchos para recoger la manguera

14. Manguera de botonera

15. Botonera de control

16. Rueda pivotante

17. Manija inferior

18. Tapa de acceso trasera

19. Pestillo de goma

20. Neumático

21. Cilindro hidráulico

22. Tapa de acceso delantera

23. Placa antirotación

24. Silleta

Figura 2, Principales características y componentes, modelos de la serie PL200 (en la foto PL20014-ASA, PL20025-ASA similar)

5.0 MONTAJE E INSTALACIÓN

aire está en la posición cerrada. Puede provocar una lesión grave a los ojos y/o penetración de la piel. Si se indica alguna presión,

5.1 Importantes instrucciones de recepción

Inspeccione visualmente todos los componentes en busca de posibles daños ocasionados durante el transporte. La garantía no cubre los daños sufridos durante el transporte. Avise inmediatamente la empresa transportadora en caso de que se comprueben daños de transporte. El transportista es responsable de todos los gastos de reparación y sustitución ocasionados por daños producidos durante el transporte.

ATENCIÓN

Debe quitar la tapa de acceso trasera del gato para acceder a varios componentes y las piezas de servicio que se describen en los párrafos 5.2 a 5.4. Consulte el párrafo 7.1 para las instrucciones para retirar la tapa.

5.2 Nivel de aceite hidráulico

elimine la presión tal como se describe en el párrafo 7.2 de este manual.

Antes de usar el gato, compruebe el nivel de lubricante en la mirilla del lubricador para la línea de aire. Añada más lubricante si el nivel es bajo. Consulte el párrafo 7.6 para las recomendaciones de lubricantes e información adicional sobre el lubricador de aire.

Después de haber conectado la manguera de suministro de aire, observe el ﬂ ujo de aceite por la mirilla de goteo de aceite mientras el cilindro está en movimiento. Compruebe si la velocidad de goteo del lubricador es de 4 a 5 gotas por minuto.

ATENCIÓN

motor de aire debe estar funcionando y el cilindro debe subir y bajar.

Antes de utilizar el gato o conectar el suministro de aire, debe retirar el tapón de llenado de aceite del depósito hidráulico y comprobar el nivel de aceite. Añada aceite hidráulico en el depósito si el nivel del aceite hidráulico es bajo. Consulte el párrafo 7.3. para la tabla de niveles de aceite, especiﬁ caciones de aceite e instrucciones adicionales.

5.3 Requisitos del aire comprimido

El sistema de aire comprimido para el gato debe ser capaz de producir 80 - 100 psi [5,5 - 6,9 bar] @ 130 CFM [3681 l/min].

El gato está equipado con un ﬁ ltro/regulador de aire, que consiste en un regulador de aire, manómetro y un colector de humedad. Véase ﬁ gura 3, piezas A, B y F.

Una manguera corta conecta el ﬁ ltro/regulador a la válvula de suministro de aire. La conexión de entrada de aire es una rosca hembra 1/2 pulgadas NPT. Véase ﬁ gura 3, piezas C, D y E. Consulte ﬁ gura 4 para las posiciones de la válvula de suministro.

Para conseguir eﬁ ciencia en la salida de aire y un funcionamiento ﬁ able, se recomienda una línea de aire de alimentación con un diámetro interior de al menos 0.82 pulgadas [20,8 mm]. (Tamaño nominal de tubo - tubo de 3/4 pulgadas).

Compruebe el manómetro con el botón SUBIR en la botonera apretado y el motor de aire del gato en marcha. Asegúrese de que NO haya carga en el cilindro. Esto proporcionará una lectura exacta de la presión dinámica del aire.

La presión dinámica mínima del aire necesaria para hacer funcionar el gato puede variar, pero es típicamente unos 50 a 60 psi [3,4 - 4,1 bar].

Para que el gato alcance su capacidad de elevación nominal de 200 toneladas [1779 kN] se necesita una presión dinámica de aire de aproximadamente 90 a 100 psi [6,2 a 6,9 bar].

La velocidad de elevación y par de torsión se pueden regular mediante el botón situado encima del ﬁ ltro/regulador. Para evitar que se dañen los componentes del gato, el ajuste de la presión del regulador de aire no debe exceder los 120 psi [8,3 bar].

ATENCIÓN

reducirán la vida útil del motor de aire y anularán la garantía de Enerpac del producto.

Los ajustes de presión superiores a 120 psi [8,3 bar]

Cuando compruebe la velocidad de goteo del lubricador, el

Asegúrese de que el manómetro (pieza B) indique cero (0) psi/bar antes de sacar el tapón de llenado del lubricador (pieza H).

Clave:

A. Botón regulador de aire B. Manómetro C. Manguera de suministro de aire D. Conexión de entrada de aire

(1/2 pulgadas NPT) E. Válvula de suministro de aire

F. Filtro/regulador de aire (con colector de humedad)

G. Lubricador de la línea de aire H. Tapón de llenado de lubricante I. Mirilla de goteo de aceite J. Control de velocidad de goteo

de aceite (en la carcasa de goteo de aceite)

Figura 3, Filtro/regulador, lubricador de la línea

de aire y válvula de suministro de aire

5.4 Lubricación del aire

El sistema neumático del gato está equipado con un lubricador automático para la línea de aire. Véase ﬁ gura 3, piezas G, H, I y J. Se necesita aire lubricado para proporcionar lubricación al motor de aire y para prevenir la oxidación.

ADVERTENCIA

indique cero (0) psi/bar antes de retirar el tapón de llenado de lubricante. Puede rociarse lubricante de la abertura de llenado si se retira el tapón mientras el sistema está bajo presión, también si se ha desconectado la manguera de aire y la válvula de suministro de

Asegúrese de que el manómetro del regulador

ABIERTA

CERRADA

Figura 4, Posiciones de válvula de suministro de aire

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