Description
Overview:
The Lever Spring for Hikoki and Hitachi rotary hammer drills is a small but essential service part that restores correct return tension to the lever/selector mechanism. Made from durable, heat-treated spring steel for resilience and long service life, it helps ensure smooth mode selection and reliable tool operation under site and workshop conditions. This is a Genuine Hikoki/Hitachi replacement (OEM No. 331546) designed to fit and function exactly as the original. Ideal for routine maintenance or repairs on popular models such as the DH28PC and DH28PD, it helps resolve issues caused by weakened or deformed springs, keeping your hammer drill responsive and consistent during drilling and chiselling tasks.
Key Features:
- Genuine Hikoki/Hitachi part for assured compatibility and quality (OEM No. 331546)
- Direct-fit replacement for DH28PC, DH28PD and DH38MS selector/lever assemblies
- Heat-treated spring steel construction for strength, elasticity and fatigue resistance
- Maintains correct lever return tension for smooth mode selection and operation
- Helps prevent mis-selection, sticking controls and intermittent performance
- Manufactured to OEM tolerances for consistent fit and reliable function
- Simple to install with basic tools; follow the tool’s service manual
- Suitable for preventive maintenance and cost-effective repair of high-use tools
Typical Applications:
Used during servicing of Hikoki/Hitachi rotary hammer drills when the lever or mode selector feels loose, fails to return, or does not engage consistently. Replace during overhauls following heavy site use, dust ingress or fatigue-related loss of spring tension. Suitable for professional trades, facilities maintenance and DIY repairs to keep tools operating smoothly and extend overall service life.
Also known as:
Lever return spring, mode selector spring, selector lever spring, switch lever spring, trigger lever spring, control lever spring, power tool lever spring. These terms are commonly used for the same component within the hammer drill’s selector/lever mechanism.
Fits Models:
DH28PC, DH28PD, DH38MS
Alternate Part Numbers:
331546, HKK331546
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