Service Manual

Weichai America Corp.
Revision: August 2019 20
electromagnetic torque. The ring gear mechanism drives the starting engine rotation. The starter
motor’s main components are the DC motor, one-way clutch, reduction gear train, electromagnetic
switches, and the starter relay. See the dismantled starting system in Fig. 4-1.
Fig. 4-1 Exploded view of starting system
4.1.2 Starting System Disassembly Procedure
1. Fully disconnect all harness connections from the starter.
2. Remove the three hex bolts between the starter and the flywheel housing.
3. Hold the starter motor firmly and pull it out from the flywheel housing.
Caution: The starter motor is heavy, so maintain a very firm grip before pulling.
4.1.3 Starting System Assembly Procedure
Reverse the Disassembly Procedure (4.1.2) to assemble the Starting System
4.1.4 Inspection and Maintenance of Starting System
1. Check the starter motor gear for damage, replace it if necessary.
2. Check the starter wiring to ensure that it is correct, tight, and secure.
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