CHANCE C312-0000 Guida utente

This hoist is not an insulated hot line tool.

These instructions do not claim to cover all details or variations in equipment, nor to provide for all

possible conditions to be met concerning installation, operation, or maintenance of this equipment. If

further information is desired or if particular problems are encountered which are not sufficiently

covered in this guide, contact A. B. Chance Company.

OPERATING INSTRUCTIONS

Refer to A.S.M.E. Standard 30.21 for more information on operation, maintenance, and testing of this hoist.

FOR SAFE HOIST OPERATION:

1. NEVER operate this hoist if you are not familiar with how the hoist works.

2. NEVER lift people or loads over people.

3. NEVER use a hoist as a load binder.

4. NEVER use a hoist beyond rated capacity.

5. NEVER use replacement parts other than those supplied by A.B. Chance.

6. NEVER use a cheater or longer handle in the hoist.

7. NEVER allow the strap to come in contact with any object.

8. NEVER use the hoist if the pull is not hook-to-hook straight line.

9. NEVER leave a load suspended in the air.

10. NEVER use a hoist as a tow line.

11. NEVER use a hoist that is worn or malfunctioning.

2-Ton Nylon Strap Hoist

(Catalog No. C312-0000)

Hoist Capacity - 4000 lbs. (1800 kg.)

NOTE:

This hoist must be used with appropriate

length insulating link sticks if used in

energized line work (see CHANCE

catalog for insulated link sticks that can

be used with this hoist).

!CAUTION

Operating & Servicing

Instructions For CONSIDER THE WORK AREA

Based on the job to be accomplished, the structure to which the hoist is to be

attached, and the type and weight of the load to be moved, determined the

position and how the hoist is to be attached.

The hoist must be positioned so the load hook and the housing hook are

in a straight line pull. The strap and/or housing must not be forced out of

line, which could cause binding or damage to equipment. The handle and

controlsofthehoistmustbefreetooperateandmustnotcontactobjects

which could cause the controls to move or damage the hoist.

The load must seat in the hook so the load is in line with the shank of the

hook and centerline of the strap. DO NOT LOAD HOOKS ON THE POINT.

The safety latches must be closed to secure the hook and prevent

accidental loss of the load. NEVER ALLOW THE LOAD TO BEAR ON THE

SAFETY LATCHES.

Never load the hoist when the red paint on the strap can be seen.

Always inspect the hoist for wear, damage, and proper operation before

each use.

The strap may be quickly extended to hook to a load by operating the "RE-

LEASE LEVER" on the handle with the "SHIFT KEY" in the "DOWN"

position.

The handle may be operated in one of two positions on this hoist. To move the

handle from one side to the other, with no load on the hoist, operate and hold

the "RELEASE LEVER" while swinging the handle through the "6 o'clock"

position to the other side.

The strap is painted red near the spool end.

If accessories, such as slings, wire grips, or link sticks are used with the

hoist, the rated working load of these items must be equal to or greater than

the load.

!WARNING

Make sure the work area is clear of all unnecessary equipment and

personnel before moving a load. Personnel and equipment should be

moved clear of the area in case the load falls.

The handwheel, located on the side of the hoist, may be used to quickly take

up the slack strap prior to lifting the load. Move the "SHIFT LEVER" to the

"UP" position and rotate the wheel.

Lift the load by moving the handle in full, even strokes. Do not slam or jerk

the handle. If excessive force (more than 150 lbs.) is required to operate the

handle, the hoist is probably overloaded. Check the load and/or rigging before

proceeding. If the load is greater than the rating of the hoist, DO NOT LIFT

THE LOAD.

Never overload the hoist. Never use a cheater or extend the handle.

Once the load is lifted into position, the "SHIFT KEY" must be in the "UP"

positionforholdingtheload.Thiswill help preventaccidentalloweringof

the load.

LOWERING A LOAD

Neverlet thehoistself-ratchet or thehandlefly loose. Thequicklymoving

handle can cause injury, and self-ratcheting may damage the hoist.

Holding onto the handle, set the "SHIFT KEY" to the "DOWN" position.

Operate the handle until the "WORKING DOG" engages the ratchet wheel

tooth. Additional pressure on the handle in the same direction will release

the "HOLDING DOG". While maintaining control, slowly move the handle in

the opposite direction; lowering the load until the "HOLDING DOG" engages

the ratchet wheel. The "WORKING DOG" will then release, allowing the

operator to repeat this movement to lower the load.

When the load is completely off the hoist, the "RELEASE LEVER" may be

operated to extend the strap for unhooking.

Never operate the "RELEASE LEVER" while the hoist is loaded.

LIFTING LOADS

Maximum load rating - 2 Ton (4000 lbs./1800 kg)

!WARNING

!CAUTION

!WARNING

REPAIR PARTS LIST FOR CHANCE TWO

TON NYLON RATCHET HOIST

When placing the hoist in operating position care must be taken to make sure that

the load hook and the housing hook of the hoist are on the same centerline. If the

hoist is restricted from adjusting itself to form a straight line with the direction of

loading damage to the hoist could occur.

The equipment covered in this instruction guide must be installed, used, and

serviced only by competent personnel familiar with and following good work

and safety practices. This equipment is for use by such personnel and is not

intended as a substitute for adequate training and experience in safe procedures

for this type of equipment.

The information contained in this instruction guide has been compiled as a result

of review of the product, its intended application and use considerations.

However, this instruction guide does not cover all details or situations in equip-

ment use nor does it provide for every possible contingency to be encountered

in relation to installation, operation or maintenance. Should additional informa-

tion and details be desired or specific situations arise which are not covered

adequately for the user's purpose, consult your supervisor and the appropriate

rules for safe work practices.

Nylon Web Assembly E309-0262

Spool P309-0260

Split Rings P309-0539

Loop Pin P309-0528

Screw, (Web Anchor) P001-0177

Web Clamp for Spool P309-0062

Yoke Spool P309-0531

Tension Pin P309-0272

Hoist Hand Wheel P309-0523

Snap Rings 056011 +

Up & Down Lever (Shift Key Lever) P309-0444 +

Spring Washer 056689 +

Reversing Rod (Shift Key) P309-0445

Pin 059036 +

Screw 056163 +

Body Dog Assembly E309-0354 +

Main Shaft Pin P309-0066

Main Shaft Assembly P309-0259

Unloader Plate Subassembly E309-0356 +

Spring 056009 +

Spring P309-0352 +

Wear Strip P309-0818 +

Handle E309-0264

Lower Hook Assembly E309-0855

+C309-0349 Repair Kit includes all items marked +.

*Included in housing subassembly.

HANDLE BODY

SUBASSEMBLY E309-0263

Handle Body P309-0054

Oilite Bearing 058614

Release Key P309-0346 +

Pin 019486 +

Spring 056010 +

Handle Dog Subassembly E309-0354 +

Washer 056014 +

Screw 056013 +

Stop Bolt 019673 +

Spring P309-0307 +

Jam Nut 056748 +

Handle Bolt P001-0178

HOUSING

SUBASSEMBLY W/ HOOK E309-0258

* Oilite Bearing 058613

* Oilite Bearing 019305

REMAINING PARTS

Pin 056016

Belt Guide P309-0271

Belt Idler P309-0057

Strap Loop Pin P309-0270

Pin P309-0347 +

Idler Pin P309-0266

!WARNING

! CAUTION

P309-0359

Rev. H

Your CHANCE hoist will give many years of satisfactory performance if used

and maintained properly. Always hang the hoist freely with a straight line

between the housing hook and the load hook. DO NOT JAM THE HOIST OR

STRAP AGAINST ANY OBJECT.

THE HOIST IS INTENDED FOR INDUSTRIAL OR UTILITY USE AND IS

NEVER TO BE USED FOR LIFTING PEOPLE OR LOADS OVER PEOPLE.

The CHANCE hoist is extremely easy to maintain. Years of life will be added

to the hoist by applying the following recommendations.

1. Do not use the hoist if it does not operate properly or is damaged in any

way.

2. Do not allow the strap to be pulled over any sharp edge or wrapped

around a pole or crossarm. Always use a sling or other means of attach-

ment.

3. Stop pulling before the load hook is pulled tight to the housing. Contin-

ued pulling into the housing may damage the hoist.

4. Never allow the handle to fly free or the hoist to self-ratchet.

5. Never throw or drop the hoist.

6. Keep the strap clean. Inspect the strap and hoist before each and every

use. Do not use a hoist if the strap is frayed, cut, or damaged.

7. All hoists must be periodically cleaned, inspected, and re-lubricated.

Intervals will depend on usage. The bronze bearings must be lubricated

with 30 wt. oil. All other moving parts must be lubricated with oil or film

of light grease.

8. Extra care must be used when lowering a light or "bouncing" load such as

a span of conductor. If the handle is "flipped", the hoist can self-ratchet

which causes severe wear on the dogs, ratchet teeth, and stop areas of

the hoist.

9. When operating the handle, do not "slam" the handle. A smooth, steady

pressure in each direction moves the load efficiently and does not cause

damage to the equipment.

Always wear safety glasses and other appropriate protective equipment

during the following procedures. Use the correct tools for the operations

being performed.

CARE AND SERVICE OF YOUR HOIST

In order to best visualize these instructions, study and refer to the exploded

view of the hoist.

1. Remove snap ring (056011) from handle end shaft (P309-0259).

2. Push “Release Key” (P309-0346) in the indented area of the handle in the

direction marked “Release” to disengage the working pawl from the

unloader plate and lift handle (E309-0263) off the shaft. This will expose

the mechanism.

3. The working pawl (E309-0354) may be removed by first removing screw

(056013) and washer (056014) from the post supporting the pawl.

DISASSEMBLY INSTRUCTIONS

!WARNING

Torsion spring (056010) may be removed after the pawl has been removed.

4. When reassembling working pawl and spring (056010), place the short

leg of the spring against the pin on the pawl (E309-0354), and the long

leg of the spring against the handle housing (P309-0054). This should

move the pawl towards the center of the housing.

5. If necessary to replace the pawl post (019486) or release key (P309-0346),

remove nut (056748), press the pawl post out of housing (P309-0054)

with a careful and steady force. In replacing the new pawl post (019486),

be certain it is pressed in straight, using an even pressure, and that

release key (P309-0346) is in position before pressing post into housing.

Install nut (056748), tighten securely.

6. The holding pawl can be removed by unhooking the two extension

springs from the unloader plate and from screw (056163) in the housing.

Remove snap ring (056011) and slide unloader plate off shaft (P309-0259)

after which pawl can be lifted off post (056016).

7. In replacing the holding pawl, make sure the pin which is permanently

secured to the pawl is faced to the outside, so that it projects through the

unloader plate, when it is replaced on the shaft.

8. To remove shaft (P309-0259) - the ratchet gear and shaft are an integral

part - remove hand knob roll pin (P309-0272), hoist hand wheel (P309-

0523) and snap ring (056011). Then remove two web anchor screws

(P001-0177), web clamp (P309-0062) and nylon web assembly (E309-

0262). Next, remove the spool (P309-0260) by driving out pin (P309-

0066). Shaft (P309-0259) will now move out of housing (E309-0258).

9. If the top hook or safety latch is damaged, the hook/housing must be

replaced as a unit. The new housing has all required bearings installed.

10. The shift key (P309-0444) is removed by removing the pin (059036)

holding the shift key finger (P309-0445) to the shift key.

11. The oilite bearings (058614, 058613, 019305) can be replaced in the

accepted manner of pressing them out and pressing the new ones in,

using appropriately sized bushing drivers.

Thoroughly clean all metal parts with solvent and dry. The Epoxiglas®

handle can be cleaned and refinished as any CHANCE hot line tool. Refer to

CHANCE catalog for supplies.

INSPECTION

Do not attempt to clean the strap. If the strap is dirty or contaminated, it

must be replaced.

Inspect the strap for any signs of wear, torn threads, or torn stitching, frayed

edges, or cuts. Discoloration is a sign that the strap should be replaced. If

there is any doubt about the integrity of the strap, replace it.

Inspect all metal parts for wear. This includes rounded edges, elongated

holes, worn pins, or battered areas caused by impacts. All castings should be

!WARNING

inspected closely for cracks or other signs of damage. Replace any parts that

do not appear normal.

Look carefully at the spool where the strap winds for signs of crushing caused

by severe overloading.

Inspect the hooks for bending or opening of the hook throat.

Safety latches must be in place and working properly.

Look at springs for stretching, bent hooks, or wear.

Inspect the ratchet teeth for chipping or rounding.

Inspect the bronze bearings in the housing for wear or elongation. Replace

any questionable bushings; or if desired, replace the housing assembly.

ASSEMBLY

After all worn or damaged parts have been identified and replaced, the hoist

may be reassembled in reverse order of disassembly. All bronze bearings

must be lubricated with 30 wt. oil. All sliding or moving parts must be

lubricated with a film of light grease.

The hoist should not require great force to assemble, with the exception of

installing pins. If parts will not fit together easily, it is likely that something

is bent or damaged. Identify the problem before proceeding.

TESTING

After assembly, the hoist must be checked for proper operation and load

tested.

Suspend the hoist from a support that can hold the test loads. With a load of

100 lbs. on the hoist, carefully raise and lower the load. The handle should be

operated to rotate the spool at least one complete revolution, (ten teeth) in

one tooth increments to ensure all teeth are tested.

A load equal to the rating of the hoist should then be raised and lowered in a

similar manner. Attention to the operation of all controls and the action of

the hoist during testing is essential to make sure the hoist is safe to return to

duty. If the hoist passes the above tests, the hoist may be returned to the

user.

It is recommended that the user establish a procedure for the routine inspec-

tion, repair, and testing of this hoist, based on usage, to ensure a safe

working environment.

Refer any questions about the use, application, repair, or testing of this hoist to:

Hubbell / Chance

210 N. Allen St.

Centralia, MO 65240

573-682-5521

NOTE:BecauseHubbell hasapolicy ofcontinuousproduct improvement,wereserve therightto changedesignand specifications

without notice.

P309-0359 Rev. H

®®

POWER SYSTEMS, INC.

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