Jacobs Engine Brake. 340 Series PARTS MANUAL

Transcription

1 Jacobs Engine Brake 340 Series PARTS MANUAL

2 Jacobs Engine Brake 340 Series (*) Early Model 340A Engine Brakes housings shipped prior to March 1997 were assigned Serial Numbers and below (for 12 volt applications) and A01000 and below (for 24 volt applications). (**) Early 340B housings used 2 front mounting studs. Later 340B housings use 1 front mounting stud. A current 340C housing can be used as a replacement for an early 340B housing by omitting one mounting stud. The Current 340C housing is a direct replacement for later 340B housings. (***) All Solenoid Assemblies contain the solenoid and P/N , , and Seal rings. Jacobs engine brake 340 series PARTS manual

3 Housing Assemblies Ill. Part Part Qty. per Hsg. No. No. No. Part Name Early Current Early Current CAT Jacobs 340A(*) 340A(*) 340B(**) 340B 340C 340D 340E Housing assembly, 12 VDC, D/L Housing assembly, 24 VDC, D/L Housing assembly, 12 VDC, D/L Housing assembly, 24 VDC, D/L Housing assembly, 12 VDC, D/L Housing assembly, 24 VDC, D/L Housing assembly, 12 VDC, D/L OBS Housing assembly, 24 VDC, D/L OBS Housing assembly, 12 VDC, D/L OBS Housing assembly, 24 VDC, D/L OBS Housing assembly, 12 VDC, D/L Housing assembly, 24 VDC, D/L Auto-Lash assembly Auto-Lash assembly (Green) Auto-Lash assembly (Red) Locknut Locknut Solenoid assy., 12 VDC, D/L(***) Solenoid assy., 24 VDC, D/L(***) Upper seal ring U Center seal ring U Lower seal ring Q Button head screw Control valve cover Inner control valve spring Outer control valve spring Control valve Slave piston retaining ring Slave piston retaining washer Inner slave piston spring Slave piston pushrod (w/ Foot) Slave piston pushrod Outer slave piston spring Slave piston Slave piston Ring - Retaining Ring - Retaining Washer - MP Retainer Washer - MP Retainer Washer - MP Retainer Washer - MP Retainer Master piston spring Master piston push rod Master piston Master piston Master piston Wire clip Drive screw NI Solid screw 3/8-24 x 1 Long 2 OBS - Obsolete JACOBS ENGINE BRAKE 340 SERIES PARTS MANUAL 3

4 Attaching Parts Ill. Part Part Qty. per Hsg. No. No. No. Part Name Early Current Early Current CAT Jacobs 340A(1) 340A(1) 340B(2) 340C 340C 340D 340E Front mounting stud IF Housing hold-down nut Housing hold-down nut Housing mounting washer Front support tube Oil supply screw Housing Holdown Bolt Cab Control Group, CAT P/N , JacobsP/N Ill. Part Part Qty./ No. No. No. Part Name Group CAT Jacobs Switch Group ON/OFF switch, gold contacts position switch, gold contacts 1 NI Harness group 1 NI Wiring Instructions 1 NI = Not Illustrated ENGINE BRAKE 1 2 JACOBS ENGINE BRAKE 340 SERIES PARTS MANUAL 4

5 Service Tools and Parts Ill. Part Part No. No. No. Part Name CAT Jacobs Oil pressure test kit Slave piston removal tool Feeler gage, 0.027" Feeler gage, 0.030" Feeler gage, 0.033" Feeler gage, 0.037" NI Tune-up kit, 340 Series Tune-up Kit includes the following items (see page 2 for illustrations): Upper seal ring 3 2U Center seal ring 3 2U Lower seal ring Control Valve 6 1Q Buttonhead screw Master piston spring Control valve cover Inner control valve spring Outer control valve spring 6 NSS Installation Instructions 1 NI = Not Illustrated NSS = Not Sold Separately 5 Jacobs engine brake 340 series PARTS manual

6 Jacobs Vehicle Systems 22 East Dudley Town Road Bloomfield, CT Visit us on the Internet: P/N C Jacobs Vehicle Systems, Inc. Printed in U.S.A. Revised 07/06