ARO 8212-1B series Manual del usuario - Página 3

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ROUTINE

LUBRICATION

REQUIREMENTS

Lack of or an excessive amount of lubrication will affect the perfor-

mance and life of this tool. Use only recommended

lubricants at

below time intervals:

EVERY 8 HOURS OF TOOL OPERATION

- Fill lubricator reser-

voirof recommended

F.R.L. with spindle oil (29665). If an in line or

air line lubricator is not used, apply several drops of spindle oil

(29665) in air inlet.

EVERY 40 HOURS OF TOOL OPERATION

- Flush tool with a

solution of three (3) parts cleaning solvent to one (1) part spindle

oil.

AIR SUPPLY REQUIREMENTS

For maximum operating efficiency, the following air supply specifi-

cations should be maintained

to this air tool:

AIR PRESSURE

- 90 p.s.i.g. (6.2 bar)

AIR FILTRATION - 50 micron

LUBRICATED

AIR SUPPLY

HOSE SIZE - 5/16" (8 mm) I.D.

An ARO@ model C28231-810

air line FILTER/REGULATOR/LU-

BRICATOR

(F.R.L.) is recommended

to maintain the above air

supply specifications.

RECOMMENDED

LUBRICANTS

After disassembly

is complete, all parts, except sealed or shielded

bearings, should be washed with solvent. To relubricate parts, or

for routine lubrication, use the following recommended

lubricants:

Where Used

Air Motor

"0" Rings

Bearings

36460

33153

Descripton

1 qt Spindle Oil

4 oz. Stringy Lubricant

5 lb. "EP" - NLGI #1 Grease

MOUNTING

INSTRUCTIONS

Be sure collet is in good condition and properly secured to

grinder spindle.

Insert shaft of mounted wheel to the full depth of gripping jaws

of collet. At least one-half of shaft length shall be inserted into

collet jaws.

Be sure mounted stone or mounted wheel is compatible

with

the speed of the grinder.

Use type 16, 17, 18, 18R

and 19 cone and plug wheels only

with optional cone wheel adapter 37292-( ).

Wheel guard 37037-2 (2" max. wheel diameter) must be used

when using optional arbor assembly 36934 (for type 1 grind-

ing wheels only). Type 1 grinding wheels NOT to be used with

models 8212-1 B-( ) and 8213-1B.

CAPACITIES

(MAXIMUM)

Carbide Bur - 3/4"

Mounted Stone - 1 - 1/2"

Type 1 Wheel - 1/2" x 2" (model 7015-11-(

) only).

INSPECTION, MAINTENANCE AND INSTALLATION

Disconnect air supply from the tool or shut off air supply and ex-

haust (drain) line of compressed

air before performing mainte-

M10

nance or service to the tool.

It is important that the tools be serviced and inspected at regular

Intervals for maintaining

safe, trouble-free

operation of the tool.

Be sure the tool is receiving adequate lubrication, as failure to lu-

bricate can create hazardous operating conditions resulting from

excessive

wear.

Be sure that the air supply lines and connectors are of proper size

to provide a sufficient quantity of air to the tool.

Tool maintenance

and repair shall be performed

by authorized,

trained, competent personnel. Tools, hose and fittings shall be re-

placed if unsuitable

for safe operation and responsibility

should

be assigned to be sure that all tools requiring guards or other safe-

ty devices shall be kept in legible condition. Maintenance

and re-

pair records should be maintained

on all tools. Frequency

repair and the nature of the repairs can reveal unsafe application.

Scheduled

maintenance

by competent

authorized

personnel

should detect any mistreatment

or abuse of the tool and worn

parts. Corrective action should be taken before returning the tool

for use.

Disassembly

should be done on a clean work bench with a clean

cloth spread to prevent the loss of small parts. After disassembly

is completed, all parts should be thoroughly washed in a clean sol-

vent, blown dry with air and inspected for wear levels, abuse and

contamination.

Double sealed or shielded bearings should never

be placed in solvent unless a good method of m-lubricating

the

bearing is available.

Open bearings may be washed but should

not be allowed to spin while being blown dry.

Upon reassembling,

lubricate parts where required. Use 33153

grease, or equivalent,

in bearings.

Use 36460 lubricant for "0"

ring assembly. When assembling

"0" rings or parts adjacent "0"

rings, care must be exercised

to prevent damage to the rubber

sealing surfaces. A small amount of grease will usually hold steel

balls and other small parts in place while assembling.

When replacement

parts are necessary, consult drawing contain-

ing the part for identification.

Always use clean, dry air. Dust, corrosive fumes and/or excessive

moisture can damage the motor of an air tool. An air line filter can

greatly increase the life of an air tool. The filter removes rust,

scale, moisture and other debris from the air lines. Low air pres-

sure (less than 90 p.s.i.g.) reduces the speed of the air tool. High

air pressure (more than 90 p.s.i.g.) raises performance

beyond

the rated capacity of the tool and could cause injury. Shown below

is a typical piping arrangement.

MAIN LINES 3 TIMES

AIR TOOL INLET SIZE

BRANCH LINE

AIR TOOL INLET

DRAIN REGULARLY

COMPRESSOR