STARTER - BOSCH
1986 Starters BOSCH
DESCRIPTION

Starter is a brush type, series wound electric motor with an overrunning clutch. Field frame is enclosed by commutator end frame and drive bushing and carries pole shoes and field coils. A spline armature shaft drive end carries drive assembly. Armature shaft is supported at both ends by sintered bronze bushings.

BOSCH STARTER APPLICATION
Model Type or Part No.
190 Series 003 151 29 01
300 Series 0 001 362 600
420 & 560 Series (1)
(1) Not available from manufacturer.
TESTING
NO LOAD TEST

With starter on test bench, take readings of starter current, voltage and RPM. Readings should be within specification.

STARTER SPECIFICATIONS
Model (1) Volts/Amps. RPM
208 xxx 11.5/35-55 6000-8000
211 xxx 11.5/30-50 6000-9000
212 xxx 11.5/35-55 6000-8000
311 xxx 11.5/30-50 5500-7500
312 xxx 11/55-85 8500-10,500
317 xxx N/A N/A
362 xxx 11.5/65-95 6500-8500
(1) First three numbers are stamped on starter. XXX equals sequential part number.

BRUSH SPECIFICATIONS
Application (1) In. (mm) Ozs. (g)
208 xxx .52 (13) 40-50 (1150-1350)
211 xxx .52 (13) 40-46 (1150-1300)
212 xxx N/A N/A
311 xxx .52 (13) 40-46 (1150-1300)
312 xxx .39 (10) 29-32 (800-900)
314 xxx .52 (13) 40-46 (1150-1300)
317 xxx N/A N/A
362 xxx .61 (15.5) 40-46 (1150-1300)
(1) First three numbers are stamped on starter. XXX equals sequential part number.
REMOVAL & INSTALLATION
STARTER MOTOR
Removal & Installation

1. Follow manufacturer's precautions prior to working on vehicle electrical system. Remove negative battery cable. Raise vehicle on hoist if necessary.
2. Mark starter wiring for reassembly. Support starter and remove starter mounting bolts. Remove starter from vehicle. To install, reverse removal procedure.

OVERHAUL
DISASSEMBLY

1. Clamp starter in vise. Remove nut and washer from solenoid main terminal connection. Remove solenoid retaining screws and unhook solenoid plunger.
2. Remove screws and end cap with rubber seal from commutator end housing. Wipe grease from armature shaft and remove "C" clip with shims.
3. Remove bolts or nuts from studs and lift off commutator end housing. Lift springs clear of brushes and slide brushes from holders. Remove brush plate from housing.
4. Separate drive end housing and armature assembly from yoke by tapping apart. Remove armature assembly from drive end housing while at the same time uncoupling actuating arm.
5. To remove actuating arm, remove rubber insert from drive end housing. Remove pivot arm screw and nut and extract actuating arm.
6. To remove drive pinion assembly from armature shaft, separate thrust collar from over "C" clip. Remove "C" clip from its groove and drive pinion assembly off armature shaft.

Fig. 1: Exploded View of Typical Bosch Starter