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Effective:
May 2018
Supercedes: HY25-1890-M1/US January 2018
Power Take-Offs Owner's Manual
890, 892, 897, 899 Series

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Summarization of Contents

General Information
Foreword
Introduction to the owner's manual and its purpose for PTO installation.
Safety Information
Instructions intended for the safety of the installer, operator, and supporting personnel.
General Safety Information
Precautions to prevent injury and equipment damage during PTO operation and maintenance.
Proper Matching of PTO
Importance of matching the PTO to the vehicle transmission and driven equipment.
Cold Weather Operation of PowerShift PTOs
Operational warnings and precautions for PTOs in extreme cold weather conditions.
Rotating Auxiliary Driveshafts
Warnings regarding the inherent dangers of rotating auxiliary driveshafts.
Guarding Auxiliary Driveshafts
Recommendations for guarding auxiliary driveshafts to prevent injury.
Using Set Screws
Considerations for selecting and using set screws for driveshaft installation.
Operating the PTO with the Vehicle in Motion
Safety guidelines for operating PTOs while the vehicle is in motion.
Chelsea PTO Safety Label Instructions
Instructions for proper placement of safety labels on the vehicle.
Direct Mount Pump Requirements
Specifications and requirements for mounting pumps directly to the PTO.
Function of Auxiliary Power Shafts
Explanation of how auxiliary power shafts transmit torque and their operational principles.
Determining Shaft Type
Guidance on selecting the appropriate shaft type and joint series for applications.
Spicer® Universal Joint Engineering Data
Technical data and specifications for Spicer universal joints.
Installation Instructions
890 Family Overview
Overview of the 890 family of PTOs and their installation method.
PTO Pre Installation
Steps required to prepare the PTO unit before mounting it to the transmission.
PTO Installation
Detailed steps for the physical installation of the PTO onto the vehicle transmission.
Installation Mounting Kit Instructions
Instructions for installing the components of the PTO mounting kit.
Pressure Port and Aperture Opening Identification
Identification of transmission pressure ports and aperture openings.
Wet Spline Output Cover Plates
Information and installation details for various wet spline output cover plates.
Installation Sketches
Outputs XV, AB, AC 890/897 & 892/899 Series
Installation sketch showing output configurations for specific PTO series.
Elec/Hyd Shift Option B (12V) & D (24V) – w/o EOC 890/892 Series
Wiring diagram for electronic/hydraulic shift options without EOC.
Elec/Hyd Shift Option K (12V) & L (24V) – w/ EOC 890/892 Series
Wiring diagram for electronic/hydraulic shift options with EOC.
Remote Elec/Hyd Shift Option G (12V) & H (24V) – w/o EOC 890/892 Series
Wiring diagram for remote electronic/hydraulic shift options without EOC.
Shift/Lube Hose Installation 890/892 Series
Installation diagram illustrating shift and lube hose connections for 890/892 series.
Lube Hose Installation 897/899 Series
Installation diagrams for lube hose connections on 897/899 series PTOs.
PTO Shifting Procedure & Precautions
POWER TAKE-OFF OPERATION — VEHICLE STATIONARY
Procedure for operating the PTO when the vehicle is stationary.
Automatic Transmission with PowerShift PTOs
Specific instructions for engaging PTOs with automatic PowerShift transmissions.
Cold Weather Operation of PowerShift PTOs
Precautions for operating PowerShift PTOs in cold weather.
Power Take-Off Maintenance
Periodic PTO MAINTENANCE
Schedule and requirements for periodic PTO maintenance.
Warranty
Information regarding warranty voidance due to non-compliance.

Table of Contents