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NACD SP318AM Series - User Manual

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NACD Power Take-O Service Manual
1022764AM
SP318AM and SP318SBAM Series
Includes Installation, Operation, Maintenance and Overhaul Instructions

Table of Contents

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Summary

INTRODUCTION

General Information

Provides an overview of the manual's purpose, scope, and where to get details.

Replacement Parts

Guidance on ordering spare or replacement parts using illustrations and lists.

DESCRIPTION AND SPECIFICATIONS

General Information

Describes the SP318AM/SP318SBAM series PTOs, construction, and actuation.

Identifying the Power Take-Off Model and Serial Number

Explains how to find the model and serial number on the unit's nameplate.

Identifying the SAE Housing Size

Details SAE housing identification and specifications.

Specifications

Lists maximum safe operating speeds for NACD Take-offs.

PTO Support Plate Specifications

Specifies requirements for support plates used in side-load and in-line applications.

Wear Limits

Provides wear limits for bearing carrier bore dimensions based on part numbers.

TORQUE VALUES FOR FASTENERS

INSTALLATION

Installation Tips

Offers advice on installation, including bearing adjustments and alignment.

Prior to Installation (Ref: SAE J1033 and J617)

Details critical checks before installation, like engine crankshaft endplay.

Drive Ring Installation

Provides instructions for properly cleaning and installing the drive ring.

Ball-Type Pilot Bearing Installation

Instructions for installing ball-type pilot bearings.

PTO Installation to Engine or Driving Member

Guides the process of mounting the PTO unit to the engine or driving member.

Hand Lever Position for NACD Power Take-Offs

Explains the correct hand lever position for proper operation and throwout bearing life.

Position and Measure Alignment of the Sheave

Details how to align sheaves for optimal belt/chain performance and longevity.

Allowable Side Loads

Provides information and formulas for determining allowable side loads on the PTO shaft.

Alignment - U-Joint-Type Installation

Describes how to align components for U-joint type installations to ensure smooth operation.

Setting Up Air Engagement on NACD Power Take Offs

Guides the setup and adjustment of air engagement mechanisms for clutch operation.

OPERATION

General Information

Explains the basic components and function of the NACD Power Take-Off.

Clutch Engagement Procedure

Details the correct procedures for engaging the PTO clutch under various load conditions.

MAINTENANCE

Maintenance Tips

Provides general advice for maintaining the PTO unit, including bearing and clutch adjustments.

Lubrication

Specifies lubrication requirements, types of grease, and locations for the PTO.

Clutch Adjustment

Details the procedure for adjusting the clutch for optimal performance and wear.

Friction Plate Replacement

Describes symptoms of worn friction plates and the procedure for replacement.

Field Adjustment - Tapered Roller Bearings

Explains how to adjust tapered roller bearings for specific PTO applications.

DISASSEMBLY

Power Take-Off Removal From The Engine

Outlines the procedure for safely removing the PTO unit from the engine.

Clutch Removal

Details the steps required to remove the clutch assembly from the PTO shaft.

Clutch Disassembly

Provides instructions for disassembling the clutch assembly.

Bronze Collar Disassembly

Specific steps for disassembling the bronze collar component.

Ball Bearing Collar Disassembly

Specific steps for disassembling the ball bearing collar component.

Remove the Operating Shaft and Throwout Yoke

Guides the removal of the operating shaft and throwout yoke assembly.

Clutch Shaft and Housing Disassembly - Configuration C

Detailed steps for disassembling the clutch shaft and housing for Configuration C.

Clutch Shaft and Housing Disassembly - Configuration D

Detailed steps for disassembling the clutch shaft and housing for Configuration D.

CLEANING AND INSPECTION

Bearings

Provides instructions for washing, inspecting, and handling bearings.

Preventing Entrance of Dirt Into Bearings

Tips on keeping bearings clean and protected from contaminants.

Housings, Cast Parts and Machined Surfaces

Inspection guidelines for housings, cast parts, and machined surfaces.

Shafts, Seal Lip Contact Surfaces and Bearing Journals

Instructions for inspecting shafts, seal surfaces, and bearing journals for defects.

ASSEMBLY

Clutch Assembly

Detailed steps for assembling the clutch components, including throwout collars.

PTO FINAL ASSEMBLY

Install The Clutch In The Clutch Housing

Guides the installation of the clutch assembly into the clutch housing.

ILLUSTRATIONS

List of Illustrations

A list of all illustrations included in the manual.

Parts Identification List - SP318 AM and SP318 SBAM Series

A comprehensive list of all parts with their corresponding numbers.

Exploded View (SP318 AM and SP318 SBAM Series Clutches)

Exploded diagrams showing the assembly of SP318AM/SP318SBAM series clutches.

Exploded View (Configuration C)

Exploded diagram illustrating the components of Configuration C.

Exploded View (Configuration D)

Exploded diagram illustrating the components of Configuration D.

LIMITED NACD GENERAL WARRANTY, LIMITATIONS OF REMEDIES AND LIMITATIONS OF OTHER WARRANTIES

NOTICE

NACD SP318AM Series Specifications

General IconGeneral
BrandNACD
ModelSP318AM Series
CategoryIntercom System
LanguageEnglish

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