Description
Overview:
The Throttle Spring fits the Chicago Pneumatic CP9 Hand Drill and replaces OEM No. 85596. It is a non-genuine replacement made from durable metal, designed to restore positive throttle return and smooth trigger action in this air-powered hand drill. The coiled compression design provides consistent force to return the throttle mechanism to idle, helping maintain accurate speed control and safe operation. Built for everyday workshop and site use, it is suitable for users keeping CP9 drills in service for construction, maintenance, and fabrication tasks. This spring is an ideal solution when the original has become weak, corroded, or lost, and is engineered to sit correctly within the throttle/valve assembly for reliable performance.
Key Features:
- Non-genuine replacement for OEM 85596, offering a practical, like-for-like swap
- Compatible with Chicago Pneumatic CP9 hand drill for assured fit
- Robust metal construction for repeated cycling and long service life
- Maintains positive throttle return to idle and smooth trigger feel
- Helps restore consistent speed control and tool responsiveness
- Straightforward installation with standard tools; no modifications required
- Cost-effective maintenance part to reduce downtime on site or in the workshop
- Suitable for routine servicing or full overhauls of the throttle assembly
Typical Applications:
Used to replace a worn, fatigued, or missing throttle return spring in a CP9 pneumatic hand drill. Helps cure slow or sticky trigger return, erratic speed, or unintended run-on. Suitable during scheduled servicing, after cleaning of the throttle valve, or when refurbishing used tools to extend service life and maintain safe, predictable control.
Also known as:
Throttle return spring, trigger spring, throttle valve spring, CP9 drill spring, pneumatic drill throttle spring, replacement spring for CP9, air drill throttle spring.
Fits Models:
CP9
Alternate Part Numbers:
85596
Product Specifications
| L&S Part No. | CP9/1034 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Handheld Construction Tools |
| Key Features | - Non-genuine replacement for OEM 85596 - Compatible with Chicago Pneumatic CP9 hand drill - Durable metal construction for long service life - Maintains positive throttle return and smooth trigger action - Easy installation with standard tools, no modifications needed |
| Fits Models | CP9 |

