Teknik Kendaraan Ringan OVERHAUL BRAKE SYSTEM Teknik Kendaraan Ringan Semester 4 th Class XI Kompetensi Kejuruan SK-KD 12TH

DIAGRAM ALUR PENCAPAIAN KOMPETENSI

Improving brake systems and components Tromol Prepare the necessary equipment such as the image on the left side

Adjuster lever Removal of return spring

Remove Hold down Springs, The short one goes with adjuster lever Guide plate

Remove adjuster lever and return spring , note pivot bushing Note position of parking brake strut rod and anti –rattle spring

Note curve and wide end on strut Strut for parking brake with the anti rattle spring

Remove hold down from short shoe Note alignment of parking brake lever

Remove shoesas aunit careful of the adjuster spring Remove adjuster with out stretching of spring

A clean layout will help you with assembly

Removal of parking brake lever from cable Inspect wheel cylinder for leaks and free movement of pistons

Note wear on backing plate and lube with proper brake grease

Reassemble Clean, No grease or dirt on hands or brake friction material!

Place holdown pin in pivot bushing to hold adjuster lever in place

With care not to stretch spring attach primary shoe with adjuster spring

Attach primary shoe with care not to stretch adjuster spring

Hold Down spring Hold pin from rear and turn in with a half twist of tool to lock Spring

Narrow slot goes towards primary shoe Tool is not needed to place the adjuster rod

Replace return springs with care not to over stretch Insert adjuster return spring with small end up. Note position of adjuster

Almost perfect! Replace primary return spring and note guide plate clearance

Use a safety Set tool to pre adjust shoes Inspect what you expect!!! Use a safety Set tool to pre adjust shoes

Set measurement to drum first Replace drum and check for noise and shoe adjustment

End……………..