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CAT + Caterpillar 773B Truck Operation and Maintenance Manual

Page 1


Neverservicetheairintakesystemwiththeenginerunning.

NOTICE

Alwaysinspecttheprimaryelementsbeforeandaftercleaning, withalightbulbinsidetheelement.Discardtheelementifany tears,ripsordamageisevident.

NOTICE

Tightenthewingnutsbyhandto3lbft(4N·m).Donotuseany tools.

Alwaysreplacethesecondaryelements.Donotattemptto reusethembycleaning.

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Tightenthewingnutsbyhandto3lbft(4N·m).Donotuseany tools.

Whenusingpressureair,wearsafetyfaceshieldandprotective clothing.Use30PSI(205kPa)maximumpressureairfor cleaningpurposes. NOTICE

Donotcleanelementsbybumpingortapping.

Donotuseelementswithdamagedpleats,gasketsorseals.

Alwaysinspectcoolingsystemwithenginestopped.

Removeradiatorcapslowlytorelievepressure.Steamcan causepersonalinjury.

Conditionercontainsalkali.Avoidcontactwithskinandeyesto preventpersonalinjury.

NOTICE

Ifmachineistobestoredin,orshippedto,anareawithbelow freezingtemperatures,thecoolingsystemmusteitherbe protectedwithantifreezetothelowestexpectedambient temperature,ordrainedcompletely.

Neveraddcoolanttoanoverheatedengine,allowengineto coolfirst.

DonotuseCaterpillarCoolingSystemConditionerwith Dowtherm209Full-FillCoolant.

Alwayscheckconditionofseatbeltbeforeoperatingmachine.

Replaceseatbeltatleastonceeverythreeyears,regardlessof appearance.

(57)WiperBlades

(58)AirConditioner-RecirculationFilter

Useitwithcaretoavoidfires.

Keepthecylindersoutofthereachofchildren.

Avoidbreathingethervaporsorrepeatedcontactofetherwith theskin.

Donotstorecylindersindirectsunlight.

Donotpunctureorburnthecylinders.

Discardthecylindersinasafeplace.

(45)CoolingSystem-ChangingAntifreezeSolution

Alwaysinspectcoolingsystemwithenginestopped. Removefillercapslowlytorelievepressure.Steamcancause personalinjury.

Conditionercontainsalkali.Avoidcontactwithskinandeyesto preventpersonalinjury.

NOTICE

Ifmachineistobestoredin,orshippedto,anareawithbelow freezingtemperatures;thecoolingsystemmusteitherbe protectedwithantifreezetothelowestexpectedambient temperature,ordrainedcompletely.

NOTICE

Whenpermanentantifreezeandwatersolutionsareusedinthe coolingsystem,thesolutionshouldbedrainedandreplaced "EVERY2000SERVICEHOURSOR1YEAR".

However,whenadditionsofconditioneraremadetothecooling system,"EVERY250SERVICEHOURSORMONTHLY,"itisnot necessarytodrainandrefillyearly.Theantifreezechange periodcanbeextendedto4000servicehoursor2years.

DonotuseCaterpillarCoolingSystemConditionerwith Dowtherm209Full-FillCoolant.

Tohelpavoidairlocks,addcoolantslowly,at5U.S.gallons(19 liters)perminuteorless,towithin1/2inch(1cm)ofbottomof fillpipe.

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