The exciter on the Wacker VP1340, VP1550, VP1135, and VP2050 is the mechanism that generates the vibration for the plate compactor. Like any other mechanical part, this system requires maintenance and service. Below you'll find instructions on servicing the exciter on your plate compactor.
Disassembly:
- Remove drive belt. Disconnect or remove spark plug to avoid accidentally starting engine when turning pulley. On diesel engines make sure throttle control is completely closed
- Exciter pulley (11) is assembled to shaft using left hand thread. Use 32mm (1-1/4 in.) socket on impact wrench and turn pulley clockwise to remove
- Remove clutch and backplate as described in Section Clutch
- Remove three hex head screws (28) securing right side end cap (5) to exciter housing
- Tap opposite end of exciter shaft using a plastic mallet until right side end-cap (5) and bearing holder (13) breaks free of housing. Before removing exciter shaft, tap shaft back into the exciter to remove the left side end-cap
Assembly:
- Install exciter assembly. Oil bearings (13). Install belt side bearing holder first. Apply Loctite 232 (or equivalent) to screw threads (28) and secure bearing holders to exciter housing. Torque screws to 8 Nm (6 ft.lbs.)
- Install clutch and backplate as described in Section Clutch
- Install exciter pulley (11)
- Install drive belt
- Fill exciter with oil before operating. Contact us for oil specifications
Author: David Schatz
David Schatz is the founder of DHS Equipment and a technical content expert in light construction equipment, small engines, and professional-grade replacement parts. With more than 30 years of hands-on experience servicing concrete saws, generators, water pumps, and plate compactors, he helps contractors, rental fleets, and serious DIY users keep their equipment running safely and efficiently.
Through practical, no-nonsense articles, step-by-step guides, and maintenance tips, David focuses on real-world troubleshooting, small engine repair, and clear recommendations on OEM and high-quality aftermarket replacement components that reduce downtime, extend equipment life, and improve job site productivity.