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INSTALLATION MANUAL

Model 490/490A
Installation Manual

ISL98, ISL03, ISL07, ISC07, ISL 2010, ISC 2010,

ISL 2013, L9 2017, L9 2021 Engines

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Содержание CBRAKE 490

Страница 1: ...INSTALLATION MANUAL Model 490 490A Installation Manual ISL98 ISL03 ISL07 ISC07 ISL 2010 ISC 2010 ISL 2013 L9 2017 L9 2021 Engines...

Страница 2: ...al potentially dan gerous conditions to the mechanic or equipment Read this manual carefully Know when these conditions can exist Then take necessary steps to protect personnel as well as equip ment T...

Страница 3: ...special tools should be available for the instal lation 1 Torque 6 in lb wrench Cummins P N 3376592 2 Engine Barring tool Cummins P N 5299073 3 Feeler gage slave piston Cummins P N 3613681 0 090 Cummi...

Страница 4: ...with CBrake by Jacobs Crossheads Fig 3 7 Install new exhaust rocker lever mounting studs these will accept the engine brake mounting bolts Torque to 60 N m 45 ft lb 8 Remove exhaust rocker adjusting...

Страница 5: ...ake Installation Engine Brake Installation 1 Make sure the housing adjusting sleeves are flush with the bottom of the housing or re cessed 2 Apply oil to the oil supply screw o rings and slide housing...

Страница 6: ...pin on cylinder one Fig 7 8 If brake lash is set improperly engine damage may occur 3 Using the 6 in lb torque wrench P N 3376592 tighten the adjusting screw until the torque wrench clicks or if not u...

Страница 7: ...NT OIL LEAKAGE DOWN ON THE ENGINE WHEN ENGINE IS RUNNING AND VALVE COVERS ARE REMOVED OIL SPLASHING IN THE ENGINE BRAKE AREA COULD CAUSE PER SONAL INJURY 1 Assure that the control wires are connected...

Страница 8: ...ube oil to flow under pressure through the control valve to both the master piston and the slave piston 2 Oil pressure causes the master piston to move down coming to rest on the exhaust rocker arm ad...

Страница 9: ...e oil when reinstalling them NEVER REMOVE ANY ENGINE BRAKE COMPONENT WITH ENGINE RUNNING PERSONAL INJURY MAY RESULT NOTE FIG 12 IS ACTUAL ISL03 BRAKE FIG 13 26 ARE TYPICAL BRAKE COMPONENTS AND NOT SPE...

Страница 10: ...the valve with compressed air and wipe clean with a paper towel 5 Thoroughly clean the control valve bore in the housing using clean paper towels 6 Dip the control valve in clean lube oil Drop the va...

Страница 11: ...ed air Replace oil screen if necessary 4 Clean out the solenoid valve bore in the hous ing Use clean paper towels Never use rags as they may leave lint and residue which can plug the oil passageways 5...

Страница 12: ...g screw in an approved cleaning solvent Inspect the slave piston adjusting screw D Lash The plunger should protrude from the bottom of the screw and move freely Fig 21 Be sure the retaining ring is fu...

Страница 13: ...o spring tabs do not interfere with the sides of the master piston center raised portion see Fig 23 Torque the capscrew to 12 N m 9ft lb NOTE THE TABS SHOULD BE EQUALLY SPACED FROM THE RAISED PISTON A...

Страница 14: ...Run a small wire through any holes Replace the piston if the ground surface on the outside diameter is scratched or scored NOTE BE SURE ALL COMPONENTS ARE REASSEMBLED IN CORRECT ORDER 7 Reassemble in...

Страница 15: ...15 Notes...

Страница 16: ...22 EAST DUDLEY TOWN ROAD BLOOMFIELD CT USA 06002 I P N 00 026302 REV E 12 2021 I 2021 JACOBS VEHICLE SYSTEMS INC CELECT is a trademark of Cummins Inc CBrake by Jacobs is a trademark of Cummins Inc an...

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