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Effective:
HY25-1806-M1/US June 2019
Supersedes: HY25-1806-M1/US February 2019
Power Take-Offs Owner's Manual
252 Series

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Table of Contents
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Summary of Contents for Parker 252 Series

  • Page 1 Effective: HY25-1806-M1/US June 2019 Supersedes: HY25-1806-M1/US February 2019 Power Take-Offs Owner’s Manual 252 Series...
  • Page 2 Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems.
  • Page 3: Table Of Contents

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Table of Contents General Information Foreword ..............................1 Safety Information ..........................1-3 Chelsea PTO Safety Label Instructions ....................3 Pump Support Requirements ........................ 4 Function of Auxiliary Power Shafts ......................5 Spicer Universal Joint Engineering Data ....................
  • Page 4 Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 5: Foreword

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series General Information Foreword This booklet will provide you with information on correct installation of Chelsea Power Take-Offs (PTOs). Proper ® installation and set up procedures will help you get additional and more profitable miles from your truck equipment and components.
  • Page 6 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series General Information Safety Information (Continued) Cold Weather Operation of PowerShift PTO WARNING: During extreme cold weather operation [32°F (0°C) and lower], a disengaged PowerShift Power Take-Off can momentarily transmit high torque that will cause unexpected output shaft rotation. This is caused by the high viscosity of the transmission oil when it is extremely cold.
  • Page 7: Chelsea Pto Safety Label Instructions

    MAINTENANCE SCHEDULE FOR IF APPLICABLE. PERFORM MAINTENANCE AS REQUIRED. INSPECTIONS. PARKER’S CHELSEA PRODUCTS DIVISION WILL NOT BE RESPONSIBLE FOR ANY FAILURE TO SERVICE LOOSE DAMAGE DUE TO THE OVERLOADING OF THIS AUXILIARY POWER PRODUCT; FAILURE BOLTS OR PTO LEAKS COULD TO PERFORM PREVENTATIVE MAINTENANCE;...
  • Page 8: Pump Support Requirements

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series General Information Direct Mount Pump Support Requirements (Universal) " NOTE: For Proper Bracketing, Attach at 2 or More Transmission Bolt Locations and 2 or More Pump Locations. Contact Transmission Manufacturer for Proper Bracket Mounting Locations.
  • Page 9: Function Of Auxiliary Power Shafts

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series General Information Function of Auxiliary Power Shafts An auxiliary power shaft transmits torque from the power source to the driven accessory. The shaft must be capable of transmitting the maximum torque and RPM required of the accessory, plus any shock loads that develop.
  • Page 10: Spicer ® Universal Joint Engineering Data

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series General Information Spicer Universal Joint Engineering Data ® Joint Series 1000 1100 1280 1310 Torque Rating Automotive (Gas or Diesel Engine) lbs-ft Continuous Tubing Diameter 1.750" 1.250" 2.500" 3.00" Wall Thickness .065" .095" .083"...
  • Page 11 Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 12: Allison Installation

    Bulletin HY25-1806-M1/US 252 Series Allison Installation Installing Pump to PTO 1. When installing the 252 Series on either the Allison or Aisin Transmission one recommendation is to install the Commercial Pump prior to Power Take-Off (PTO) installation. 2. If the Commercial Pump was ordered with the Power Take-Off it will come with a Pump Installation Kit 329296-4X.
  • Page 13: Pto Installation Gm 3600 Chassis

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Allison Installation PTO Installation GM 3600 Chassis 1. Before installing the PTO to the transmission, you may need to remove the two exhaust pipes that are on the right passenger side of the vehicle and next to the Power Take-Off opening (Fig. 1).
  • Page 14: Pto Installation

    5. Place the gasket (35-P-41) provided with the PTO over the studs (Fig. 7). Only one gasket is required because the 252 Series PTO does not require the backlash to be set. 6. Secure the PTO & Pump to the transmission.
  • Page 15: Pto Installation

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Allison Installation PTO Installation GM 3600 Chassis (Continued) 8. Next we will move to the installation of the plumbing. Remove the transmission oil filter located on the lower left side of the transmission (Fig. 9). Next remove the main pressure port plug next to the filter and install the 90°...
  • Page 16: Pto Installation

    Torque the bolts to 13 lbs-ft [17 Nm] (Fig. 13). Model Year 2007-2015 GM 3600 Series OE Supplied Wiring Harness - 252 Series 11. For 2007-2014 model year C/K Series 3500 trucks equipped with Allison 1000, 2000/2500 transmission, Fig. 13...
  • Page 17 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Allison Installation PTO Installation GM 3600 Chassis (Continued) 14. Reinstall the two engine exhaust pipes at this time. Torque the rear flange bolts to 30 lbs-ft [40 Nm] and the exhaust manifold pipe nuts to 39 lbs-ft [50 Nm] (Fig.
  • Page 18: Allison 1000, 2000/2500

    3. Place the gasket (35-P-41) provided with the PTO over the studs (Fig. 20). Only one gasket is required because the 252 Series PTO does not require the backlash to be set. 4. Secure the PTO & Pump to the transmission.
  • Page 19 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Allison Installation PTO Installation Allison 1000, 2000/2500 (Continued) 6. Remove the transmission oil filter located on the lower left side of the transmission (Fig. 22). Next remove the main pressure port plug next to the filter and install the 90°...
  • Page 20 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Allison Installation PTO Installation Allison 1000, 2000/2500 (Continued) NOTE: If using the GM provided in-dash switch, skip to item # 9. 8. Install the PTO rocker switch and bracket in the cab. Under the vehicle connect the two Packard connectors.
  • Page 21: Installation Sketches

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches Allison Transmission 1000, 2000/2500 (SK-456 Rev D) (12V) w/o Speed Limiter 252 Series See Note Battery 379900 Fuse Holder 379254-17 Assy w/10 Amp Fuse 14-Gauge Wire Fork Terminal 378978 12-Volt Indicator Light...
  • Page 22 Notes Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 23 Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 24: Dodge/Sterling/Ram Installation

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Overview (MY2010 & Prior) PTO Operation The 3500/4500/5500 Dodge Chassis Cab vehicle, when equipped with either the automatic AISIN 6 speed or manual G-56 6 speed transmissions, will allow for an aftermarket upfit with a transmission driven PTO (Power Take-Off).
  • Page 25: Ram Overview (My2011 & My2012)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Overview (MY2011 & MY2012) PTO Operation The 3500/4500/5500 RAM Chassis Cab vehicle, when equipped with either the automatic AISIN 6-speed or manual G-56 6-speed transmissions, will allow for an aftermarket upfit with a transmission driven PTO (Power Take-Off).
  • Page 26 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Overview (MY2011 & MY2012) (Continued) Mobile Mode This feature interacts with the transmission auxiliary shaft. The feature is activated by a switch (closed to ground) in the cab after selected by a service tool. When active, this feature limits engine speed and road speed to calibrated values.
  • Page 27: Ram Overview (My2013 & Later)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Overview (MY2013 & Later) PTO Operation The 3500/4500/5500 RAM Chassis Cab vehicle, when equipped with either the automatic AISIN 6-speed or manual G-56 6-speed transmissions (manual transmission option MY2013 thru MY2018 only), will allow for an aftermarket upfit with a transmission driven PTO (Power Take-Off).
  • Page 28 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Overview (MY2013 & Later) (Continued) Mobile Mode Mobile mode allows for use of the PTO when the vehicle is in motion. This feature, when activated by the menu available on the Electronic Vehicle Information Center (EVIC) screen in the center of the cluster, will allow you to enter mobile PTO mode when you press the PTO switch on the dash.
  • Page 29 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Overview (MY2013 & Later) (Continued) Remote PTO feature has a higher priority than Idle Up. If the Remote PTO feature is active the Idle Up switches are ineffective. The Idle Up or Stationary PTO feature cannot be activated until the Remote PTO relinquishes control.
  • Page 30: Pre Installation Overview

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Pre Installation Overview The current Power Take-Off (PTO) installation is from under the vehicle, an alternative method for Dodge has been developed with the help of Chelsea Products that allows the installation from above by removing the PTO patch panel in the floor.
  • Page 31: Pre Installation Overview

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Pre Installation Overview (Continued) Under Vehicle Installation 1. To access the PTO aperture on the right (passenger) side of the transmission, the exhaust pipe will need to be removed. (Fig. 32) 2. To make this process easier the following information is provided.
  • Page 32: Heavy Duty Pto Installation Instructions

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation Heavy Duty Chassis Cab PTO Installation 1. Before mounting the PTO remove the high pressure Installation Model Year Page port plug located on the left side (drivers side of Sketch’s transmission) and install part number 379749 male...
  • Page 33 Heavy Duty Chassis Cab PTO Installation (Continued) 5. Place the gasket (35-P-41) provided with the PTO over the studs (Fig. 37). Only one gasket is required because the 252 Series PTO does not require the backlash to be set. Fig. 37 6.
  • Page 34: Chassis Cab Wiring Reference (My2011 & Later)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Dodge/Sterling/Ram Installation RAM Cab/Chassis MY2011 & Later Wiring Reference Glove Compartment 1. Separate Upfitter Jumper kit RAM P/N 68049501 AB found in glove compartment: • Wiring harnesses with plastic connectors are to be used in the cab •...
  • Page 35: Dodge/Aisin My2007 - My2010 (As68Rc) Transmission Shift Option D (Sk-455 Rev B)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches Dodge/AISIN MY2007-MY2010 (AS68RC) Transmission Shift Option D 252 Series Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 36: Installation Sketches

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches Dodge/Sterling Chassis Cab (SK-455 Rev B) 6.7L w/AISIN (AS68RC)Transmission Wiring Chart - 252D Series PTO MY2007 Wiring Chart Reference Chelsea Wire Connected to Dodge Wire Location Orange *K425 Orange w/Brown Stripe Terminal #9, 10-way Connector on Bellhousing...
  • Page 37: Aisin (As69Rc/As66Rc) My2011 & Later Transmission W/O Eoc Shift Option R (Sk-495)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches AISIN (AS69RC/AS66RC) MY2011 & Later Transmission w/o EOC Shift Option R 252 Series Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 38: Ram/Aisin (As69Rc) My2013 & Later Transmission W/O Eoc Shift Option R (Sk-567)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches RAM/AISIN (AS69RC) MY2013 & Later Transmission w/o EOC Shift Option R 252 Series Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 39: Wiring Installation Instructions (My2011 And Later)

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches Wiring Chart MY2011 and Later Dodge and RAM Chassis Cab 6.7L Diesel (SK-495 & SK-567) w/AISIN Transmission - 252 R Series Chelsea Wire RAM Loose Wire Harness RAM Connector RAM Circuit Wire...
  • Page 40 Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Installation Sketches Wiring Chart MY2011 and Later Dodge and RAM Chassis Cab 6.7L Diesel (SK-495 & SK-567) w/AISIN Transmission - 252 R Series (Continued) NOTE 1: For MY2011 thru MY2018, the ground signal from the pressure switch must be connected to the VSIM - Circuit W708.
  • Page 41: Pto Maintenance

    Owner’s Manual Bulletin HY25-1806-M1/US 252 Series Power Take-Off Maintenance Due to the normal and sometime severe torsional vibrations that Power-Take-Off units experience, operators should follow a set maintenance schedule for inspections. Failure to service loose bolts or Power-Take-Off leaks could result in potential auxiliary Power-Take-Off or transmission damage.
  • Page 42 Notes Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA...
  • Page 43: Offer Of Sale

    For more information go to www.P65Warnings.ca.gov The items described in this document and other documents and descriptions provided by Parker Hannifin Corporation, its subsidiaries and its authorized distributors (“Seller”) are hereby offered for sale at prices to be established by Seller. This offer and its acceptance by any customer (“Buyer”) shall be governed by all of the following Terms and Conditions.
  • Page 44 Tel: +30 210 933 6450 Tel: +27 (0)11 961 0700 parker.greece@parker.com parker.southafrica@parker.com HU – Hungary, Budaoers Tel: +36 23 885 470 parker.hungary@parker.com Parker Hannifin Corporation Chelsea Products Division 8225 Hacks Cross Road Olive Branch, Mississippi 38654 USA www.parker.com/chelsea BLI 06/19 5C...

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