CNH UNI – AUX HAMMER SYSTEM – SWITCH – CBH – CP – VVP Installation Instructions (92678065)

On most CNH machines this aux hammer setup works in dirt, rock, demo rubble, and usually in lousy weather. This manual walks you through how to install and wire the hammer switch system so the controls do what they’re supposed to when you’re breaking concrete or trenching. Say you’ve mounted the hammer, hoses are on, but the switch won’t trigger flow—this is the guide you’d follow to trace the wiring, check the connectors, and verify you didn’t miss a bracket or mis-route a harness.

Applications & Use Cases

• Install the aux hammer switch and brackets so the controls line up with what the operator expects in the cab.
• Trace and route the wiring harness properly, then test each connection so you don’t chase mystery shorts later.
• Isolate electrical issues when the hammer won’t fire by following the manual’s step‑by‑step checks instead of guessing.
• Inspect and re-verify the switch setup after other repairs, making sure nothing’s pinched, loose, or out of alignment.
• Use it as a reference when you swap cabs or consoles, so you can re-route and reconnect the hammer controls correctly.

FAQ

Q: Is this a PDF I can search on my laptop or phone?

A: It’s typically a searchable PDF, so you can jump to sections and use find for wire colors or connector IDs.

Q: Can I print just a few pages to take to the machine?

A: Yeah, most folks print the wiring and install steps, stick them in a sleeve, and keep them at the jobsite.

Safety Note

Always kill power, relieve hydraulic pressure, and verify the circuit’s dead before you touch any hammer wiring or switch connections.

CNH UNI – AUX HAMMER SYSTEM – SWITCH – CBH – CP – VVP Index:

• SAFETY INFORMATION
  • Basic instructions – Important notice regarding equipment servicing
  • Advice
  • Safety rules
• KIT CONTENT
  • Kit overview
• GENERAL INFORMATION
  • Basic instructions
• PRE-ASSEMBLY
  • PREPARING FOR ASSEMBLY
    • Preparation
• ASSEMBLY
  • Auxiliary hydraulic valves and lines
    • Kit installation

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