Sears 919.15402, 919.15442 Storage, Troubleshooting Guide, Use, Ov Er-Tighten, Will Weaken

Page 10

STORAGE

Beforeyou store the air compressor,make sure you do the foflowlng:

1, Reviewthe 'Maintsr_n_e" section on the precaeding

pages and perform maintenan;e as necessary, Be sure to drain w=ter fromthe air la_k.

2.Protectthe etectficaJ cord and air hose from damage (such s8 _:>etOgstepped on or _n over). Wind them

loosely amUr_lthe compressorhandle,

Store _he air compressorin a clean and dry IocaUon.

TROUBLESHOOTING GUIDE

PERFORMING REPAIRS MAY EXPOSE VOLTAGE SOURCES_ MOVING PARTS, OR COM- PRESSED AIR SOURCES. PERSONAL INJURY MAY OCCUR. PRIOR TO ATTEMPTING ANY REPAIRS UNPLUG THE AIR COMPRESSOR AND BLEED OFF TANK AIR PRESSURE.

PR0.u

cause

CORR T .

Ex_essk,e _r_ pressure

Pressureswitchdoesnot shut olt"

Move the pressureswitohleverto_e "OFF'IPo_-i

safety valve Pol_soff,

motor when compressorreaches

lion. if the OUtfitdoesn 1 shut off, an_lthe eleotricai

 

"cut-oUt"pressure,

conlactsare welc_edtogether,replacethepressure

 

 

switch.

 

 

II the contactsam good, checkto see if the pin in

 

 

thebottomofthe pressure relays valve ts stucK,if

 

 

it does not move freely,apace the vetve

Air leaks at fittings

Air leaks at checkvalve.

Airl@ak,at pressure _ltoh releasevalve

Airleak_ in air tank_

Air leaks betweenhead and va_ #_te.

Pre=_ure reading on _he regulated pressure gauge

dropswhen _n a_c_sory Is used.

Pressure switch "cut-out" tao high,

ui,

,

.i.

,.,

,

Tubafiffingsare not_ht enough.

Defective or dirty check valve.

Defective pressure_witch rolease valve.

Defective ch_;k v=lve,

Dofecttve air tank,

Leaking gasket.

m

It IS normal for "some" pressure drop to occur°

Returnttleputfitto Sears ServleeCente_to check anti aclju=,or replace switch,

Tighten fittingswl_re air can be he_a_esCaping_-_

Ohec!_fittings with soapy water solution,,DO NOT

OV ER-TIGHTEN,

A defective check valve resultsIn a constant air reel<at the pressure release valve when there is pressureIn thetankand the com_esaor is shut off. Remove and clean or replace check valve DO NOT OVER-TIGHTEN.

Remove end replace the releasevalve..

A defective CHECK valve resultsin e constant_ir leak at t_ pressure relgase valve when there i_

pressurein thetank_nc_thecompressor isshut off. Remove and clean or replace check valve. DO

NOT OVER-TiGHTEN,

AJrtank must be replaced Do not repair tt_:leakl

i w.,.....,Io

DO NOT DRILL INTO_ WELD, OR OTHERWISE MODIFY AIR TANK OR tT

WILL WEAKEN,

Torquehead screwsto 8 It, Ibs, Itthisdoes notstop leak replace gasket

If t_ere is an excessive amountof pressure drop

when the _essory is usecl,adjust _he regulator following 1heinstructionson pg. 6.,

Note

Adjust tt_eregulated pressure under flow conditibns (while a_cessory is being

use_,)

0..........

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Contents Sears Sears, Roebuck and Co,, Chicago, IL 60684 U,S,ATable of Contents Safety Guidelines Full ONE Year Warranty AIR CompressorsSears, Roebuck and Co. Sears Tower, Dept /731A, Chicago, 1L What could Happen Look forAccessories for USE with Sears AIR Compressors Specification ChartGlossary General Information Description of OperationTools Needed for Assembly Assembly InstructionsInstallation and BREAK-IN Procedures Installing Wheels, Handle, Rubber Foot StripBreak-In PrOcums Operating ProceduresGrounding Instr,JcUons AdapterCheck Valve- Replecement MaintenanceAtr Filter- Inspection Safety Valve Inspection AN EXPLOSION. Occasionally PullUse Troubleshooting GuideStorage OV ER-TIGHTENParts ProblemCause Correction AIR Compressor Diagram 14 CA,C-1098 Parts ListCAC.33t TA.4140Compressor Pump Diagram MK Towards MotorKEY NO. Partnumber Description Parts ListNot Illustrated When Ordering Repair Pars Always Give Model Number