How-to: Wacker WP1540 & WP1550 Adjustable Clutch

Posted by David Schatz, Owner - DHS Equipment on Mar 27th 2017

The adjustable clutch on the Wacker WP1540 and WP1550 may require replacement at some point during the life of your machine. Although it can seem daunting, it's not difficult to replace. 

Wacker WP1540 and WP1550 Adjustable Clutch Service

Removal:

  • Remove drive belt
  • Remove screw (a) and washer securing clutch (b) to engine shaft. Remove clutch from engine shaft using a puller
  • Remove key (c)
  • If necessary, remove four screws (d) and washers and screw (e) and washer to remove beltguard plate (f)

Installation:

  • If removed, install beltguard plate (f) using washers and screws (d and e). Contact us for torque specifications
  • Install key (c) on engine shaft. Apply anti-seize compound to shaft
  • Apply Loctite 242 to threads of screw (a). Secure clutch assembly (b) to engine shaft using washer and screw (a). Contact us for torque specifications
  • Install drive belt and beltguard

The adjustable clutch for the Wacker WP1540 and WP1550 is part number 0086968.

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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.