KANIA AURELIA SUDARNO (14)

FINALTASKREPORTOFSCHOOL
YEAR2022/2023

MAINTENANCEANDREPAIRMENTONDRUM BRAKES
INBENGKELBERKAHMOBIL

Arrangedby:

NAME:KANIAAURELIASUDARNO
COMPETENCEPROGRAM :TEKNIKOTOTRONIK
CLASS/NIS:XIITO1/5362

PROVINCEGOVERNMENTOFCENTRALJAVADEPARTMENT
OFEDUCATIONANDCULTURE
SMKNEGERINUSAWUNGU
SCHOOLYEAR2022/2023

APPROVALSHEET

Thisfieldworkpracticereporthasbeenapprovedbytheschoolsupervisor
andapprovedbytheheadoftheSMKNEGERINUSAWUNGUon:

Day:Saturday

Date:10september2022

By:

KANIAAURELIASUDARNO

5362

ApprovedonSeptember10th,2022

FirstAdvisor SecondAdvisor,

KukuhAdhiRumekso,S.Pd HeruWidiantoro,S.Pd
NIP.198408162009031006 NIP.198408162009031006

Acknowledgedby,
HeadofSMKNEGERINUSAWUNGU

Mrs.SriWindiarti,S.Pd.,M.Pd.
NIP.1969050919992032008

PREFACE

PraiseandgratitudetheauthorspraytoAllahSWTforthegraceof
Allahandhisgracesothattheycancarryoutfieldworkpracticedand
compllitethepreparationofreportontheresultsoffieldworkpractices
thatrunaccordingtotheprogram thathasbeenplanned.Thepreparation
ofthisreportiscarriedoutinaccordancewiththeworkthathasbeen
plannedattheindustrialsite

Onthisocccasion,theauthorswouldliketothankallpartieswho
haveassistedintheimplementationoffieldworkpracticesandassistedin
thepreparationofthisreportto:

1.Mrs.SriWindiarti,S.Pd.,M.Pd,asthePrincipalofSMKNEGERI
NUSAWUNGU

2.Mr.KukuhAdhiRumekso,S.Pd.,astheheadofcompetence
program

3.Mr.HeruWidiantoro,S.Pd.,asexaminers

4.Myparents,friends,classmatesandallwhohelponbothof
competenceexam orfinaltaskreport.

Theauthorsrealizethatthisreportisfarfrom perfect,therefore
contructivecristicism andsuggestionsfortheimprovementandperfection
ofthisreportarehighlyexpected.Finally,thisreportcanbeusefulfor
readersinbroadeningtheirhorizons.

Nusawungu, 10 September2022

KANIAAURELIASUDARNO

SUMMARY

Thedrum brakeisabrakingsystem onvehicles,whichusesa
methodbetweenthecanvasandabowl-shapedcomponent.In
otherwords,thedrum brakeisabrakesystem onacarthat
usesadrum ordrum braketostopthevehicleand
simultaneouslyworksasaparkingbrakeorparkingbrake.In
general,therearethreemaincomponentsinadrum type
brakingsystem.

Namely:BrakeShoes,WheelCylinders,andBrakeDrums.When
viewedfrom theconstruction,thedrum brakesaredividedinto:
LeadingTrailingType,LeadingShoesType,andServoType.
Drum brakesworkontheprincipleofprinciple.Thisfrictionwill
converttherotationalenergyofthebrakedrum intoheatenergy.
Sothatthewheelrotationwillstopandthetemperaturearound
thebrakeswillincrease.Thedrum brakeconstructionhastwo
brakepadslocatedontheinside.

Thenontheoutsideofthebrakeliningthereisabowl-shaped
componentthatweknowasdrum brakes.Thedirectionof
movementofthedrum brakessupportseachother,meaning
thatwhenthebrakesarepressed,thetwobrakepadswillmove
outwards(downeachother).Thismovementwillmakethe
brakeliningpressagainsttheinnersurfaceofthebrakedrum.
Sothat'swhatwillcompletethedrum andwheelprocess.

TABLEOFCONTENT

TITLEPAGE..................................................................................................i
APPROVALSHEET......................................................................................ii
PREFACE......................................................................................................iii
SUMMARY....................................................................................................iv
TABLEOFCONTENT..................................................................................v
I.INTRODUCTIONS

A.Background...........................................................................................1
B.ActivityBase...........................................................................................1
C.PuposeandObjectives........................................................................2
D.Benefit...................................................................................................2
E.PlaceandTime......................................................................................3
II.COMPANYOVERVIEW
A.CompanyHistory................................................................................4
B.CompanyVisionandmision.............................................................
III.PKLIMPLEMENTATION
A.CompetenceAchieved.......................................................................5
B.MaterialOverview...............................................................................6
C.CompetencyConformity..................................................................33
IV.CLOSING

A.Conclusion.........................................................................................36
B.Suggestion........................................................................................37
ATTACHMENT
REFFERENCES

REFERENCES

https://www.otospeedcar.com/2018/02/cara-kerja-rem-tromol-pada-
mobil.html
https://www.autoexpose.org/2018/02/sistem-rem-tromol.html
https://www.teknik-otomotif.com/2017/11/komponen-komponen-rem-
tromoldan.html