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BRADEN PD12C Series - User Manual

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1
SERIES
PD12C
PD15B
PD17A
HYDRAULIC HOIST
LIT2103 R4
07-2013
PRINTED IN U.S.A.
P.O. BOX 547 Broken Arrow, OK 74013
Tel 918-251-8511 / Fax 918-259-1575
www.paccarwinch.com
WINCH
INSTALLATION, MAINTENANCE, AND SERVICE MANUAL
X-rigs
model
PD12C-SPL-59034-02L-1

Table of Contents

Questions and Answers

  • L
    Laurie Clark MDAug 4, 2025
    Why does my BRADEN Industrial Electrical winch run hot?
    • C
      Christopher WilliamsAug 4, 2025
      If your BRADEN Industrial Electrical winch is running hot, it could be due to several factors. It might be mounted on an uneven or flexible surface, causing distortion and binding of the gear train. Ensure the mounting surface is reinforced and level the winch with shims if needed. Also, ensure that the hydraulic system temperature is not more than 180 degrees F, thoroughly clean the exterior and flush the interior. Excessively worn or damaged internal winch parts can also cause overheating. Disassemble the winch to inspect and replace any worn parts.
  • E
    Elizabeth TaylorAug 8, 2025
    What to do if BRADEN Industrial Electrical winch brake will not hold a load?
    • J
      john04Aug 9, 2025
      If the brake on your BRADEN Industrial Electrical winch won't hold a load with the control lever in neutral, excessive system back pressure acting on the brake release port could be the issue. Inspect the hydraulic system for a restriction in the return line from the control valve to the reservoir, and ensure the control valve and plumbing are properly sized to the winch motor. Also, worn or damaged brake discs can cause the brake to fail. Disassemble the brake to inspect the brake discs. Lastly, brake clutch slippage can also cause the issue. Drain the old gear oil and flush the winch with solvent, then thoroughly drain the solvent and refill the winch with the recommended planetary gear oil. The brake clutch itself may be damaged or worn, requiring disassembly and inspection.
  • K
    Kelly RamirezAug 13, 2025
    Why does my BRADEN Industrial Electrical winch chatter while raising a load?
    • D
      Derrick HernandezAug 13, 2025
      If your BRADEN Industrial Electrical winch chatters while raising a load, it could be due to a few reasons. The winch may be mounted on an uneven or flexible surface, causing distortion of the winch base and binding of the gear train. Reinforce the mounting surface, and if necessary, use shim stock to level the winch. Also, the hydraulic oil flow to the motor may be too low. Inspect the hydraulic system for a restriction in the return line from the control valve to the reservoir, and ensure the control valve and plumbing are properly sized to winch motor. Finally, the controls might be operated too quickly, so conduct operator training as required.
  • R
    Robin AcostaAug 17, 2025
    What to do if my BRADEN Industrial Electrical winch will not hoist the rated load?
    • M
      michele10Aug 17, 2025
      If your BRADEN Industrial Electrical winch isn't hoisting the rated load, it could be due to a couple of reasons. The winch may be mounted on an uneven or flexible surface, causing distortion of the winch base and binding of the gear train. Reinforce the mounting surface and use shim stock to level the winch if necessary. Alternatively, the system relief valve may be set too low. Install an accurate 0-4000 psi gauge into the inlet port of the brake valve to check the relief pressure.
  • A
    Ashley ScottAug 21, 2025
    How to fix oil leaks from vent plug in BRADEN Industrial Electrical?
    • M
      Monica GarciaAug 21, 2025
      If oil is leaking from the vent plug of your BRADEN Industrial Electrical winch, there are a couple of potential causes. First, inspect the hydraulic system for a restriction in the return line from the control valve to the reservoir. Ensure that the control valve and plumbing are properly sized to the winch motor. Second, the motor seal may be defective due to high system back pressure or contaminated oil. Thoroughly flush the entire hydraulic system, install new filters and oil, and replace the motor seal.
  • L
    Linda MackOct 30, 2025
    What to do if my BRADEN Industrial Electrical winch will not lower the load smoothly?
    • M
      molinavanessaOct 30, 2025
      If your BRADEN Industrial Electrical winch isn't lowering the load smoothly, there could be a few reasons. First, a plugged or loose pilot orifice could be the cause. Try removing the pilot hose and fitting from the brake valve, then use a 5/32 inch Allen wrench to remove the pilot orifice. Ensure you clean and install the pilot orifice tightly in the brake valve. Alternatively, the friction brake may not be releasing due to a defective brake cylinder seal. In this case, disconnect the swivel tee from the brake release port and connect a hand pump with an accurate 0-2000 psi gauge and shut-off valve to the –4 J.I.C. fitting in the brake release port. Apply 1000 psi to the brake, close the shut-off valve, and let it stand for five minutes. If there's any pressure loss, the brake cylinder sh...
  • B
    bonniebrewerNov 24, 2025
    Why doesn't the wire rope spool smoothly on the drum of my BRADEN Industrial Electrical winch?
    • K
      Kenneth TorresNov 25, 2025
      If the wire rope on your BRADEN Industrial Electrical winch isn't spooling smoothly, several factors could be at play. The winch may be mounted too close to the main sheave, causing the fleet angle to exceed 1-1/2 degrees. Check the mounting distance and fleet angle, and reposition the winch as needed. Similarly, if the winch isn't mounted perpendicular to an imaginary line between the cable drum's center and the first sheave, it can cause spooling issues. Again, check the mounting distance and fleet angle, and reposition the winch. Also, you might be using the wrong lay rope. Consult a wire rope manufacturer for recommendations on wire rope that best suits your application. Finally, the winch may have been overloaded, causing permanent set in the wire rope. Replace the wire rope and condu...

Summary

Foreword and Model Number Explanation

Foreword

Read this entire publication and retain it for future reference.

Explanation of Model Number

Details the components and meaning of the hoist model number designation.

General Safety Recommendations

Safety Symbols and Precautions

Describes WARNING/CAUTION symbols and general safety practices for safe operation.

Theory of Operation

Hoist Component Description

Details the four main component parts of the hoist: base, motor, brake cylinder, drum.

Hoist Operation Mechanism

Explains how the hydraulic motor drives the planetary gear set for hoisting.

Dual Brake System Overview

Describes the dynamic and static brake systems and their primary components.

Hoist Installation Guide

Mounting and Alignment

Details mounting the hoist with a horizontal drum centerline and correct alignment.

Hydraulic System Requirements

Specifies requirements for hydraulic lines and components to ensure performance.

Fleet Angle Considerations

Explains the importance of fleet angle for proper wire rope spooling.

Brake Valve Function and Oil Specifications

Control Valve Specifications

Specifies requirements for the directional control valve for safe and intended operation.

Hydraulic Oil Recommendations

Details recommended hydraulic oil viscosity, type, and filter for optimal performance.

Fastener Torque and Rope Installation

Recommended Fastener Torque

Provides torque values for various bolt sizes and grades, with notes on lubrication.

Wire and Braided Rope Anchoring

Step-by-step guide for properly anchoring wire and braided rope using the wedge system.

Motor Case Drain Plumbing and Preventive Maintenance

Two Speed Motor Case Drain Plumbing

Explains a modification to prevent motor shaft seal wear and leakage.

Preventive Maintenance Overview

Lists gear oil changes, proper gear oil use, and periodic inspection as most critical.

Oil Level Check Procedure

Details how to check the gear oil level every 500 operating hours or three months.

Preventive Maintenance Details

Gear Oil Service

Covers oil change intervals, level checks, and viscosity importance for brake clutch operation.

Component Maintenance

Includes vent plug cleaning, hydraulic filter replacement, rope inspection, and bolt tightening.

Operational Procedures

Outlines warm-up procedures and guidelines for inspecting key components and selecting gear oil.

Recommended Planetary Gear Oil and Troubleshooting

Oil Selection Chart and Capacities

Provides a temperature-based oil selection chart and oil capacities for different models.

Hoist Lowering Issues

Addresses problems with the hoist not lowering or lowering un-smoothly due to orifices or brakes.

Troubleshooting Brake Holding and Oil Leaks

Brake Holding and Oil Leakage Issues

Troubleshoots brake failure to hold, oil leaks from vent plugs, and related causes.

Troubleshooting Hoisting and Overheating

Load Hoisting and Overheating Issues

Diagnoses problems with hoisting rated loads and hoist overheating, covering mounting and temperature.

Troubleshooting Overheating, Chattering, and Spooling

Overheating, Chattering, and Spooling Issues

Addresses overheating causes, hoist chattering, and wire rope spooling problems.

Disassembly of Hoist

Service Precautions and Initial Steps

Outlines essential precautions and initial steps for hoist disassembly, including cleaning and draining.

Hoist Disassembly Component Removal

Component Removal Procedures

Details removal of brake clutch, motor support, brake cylinder, and planet carriers.

Hoist Disassembly and Component Listing

Drum and Bearing Support Removal

Covers removal of the drum, bearing support, and inspection of ring gear teeth.

Component Parts List

Lists all components with item numbers, quantities, and descriptions for PD12C/PD15B/PD17A models.

Planet Carrier Service

Output Planet Carrier Disassembly

Step-by-step guide for disassembling the output planet carrier and inspecting parts.

Output Planet Carrier Assembly

Instructions for reassembling the output planet carrier, including retaining ring caution.

Primary Planet Carrier Service

Primary Planet Carrier Assembly Steps

Details servicing the primary planet carrier, similar to output carrier, with specific bearing counts.

Motor Support-Brake Cylinder Service

Disassembly and Cleaning

Procedures for disassembling the motor support/brake cylinder and cleaning/inspecting parts.

Brake Disc and Spring Checks

Brake Disc Inspection and Spring Checks

Guides for inspecting friction and steel discs, and checking brake spring length.

Brake Assembly and Spring Installation

Brake Assembly and Spring Installation

Instructions for installing brake spacers, checking stack height, and installing springs.

Brake Cylinder Assembly and Pressure Test

Piston Seal and Cylinder Assembly

Details installing the piston seal and assembling the brake cylinder over the motor support.

Brake Cylinder Pressure Test

Procedure for pressure testing the brake cylinder and installing the brake clutch assembly.

Brake Clutch Service

Brake Clutch Disassembly and Inspection

Steps for disassembling the brake clutch, inspecting sprag clutch, and checking components.

Brake Clutch Assembly Procedure

Brake Clutch Assembly Procedure

Details the assembly of the brake clutch, including sprag bushing, retainers, and snap rings.

Hoist Assembly - Base and Bearing

Base and Bearing Support Assembly

Instructions for assembling the hoist base, bearing support, and installing new bearings.

Hoist Assembly - Drum and Planet Carriers

Drum, Planet Carrier, and Closure Assembly

Covers installing the drum, planet carriers, sun gears, and drum closure.

Hoist Assembly - Brake Cylinder and Clutch

Brake Cylinder and Clutch Installation

Details installing the brake cylinder and brake clutch assembly, ensuring correct orientation.

Hoist Assembly - Final Steps

Clutch Alignment and Motor Installation

Guides on aligning brake discs and installing the motor with the brake clutch.

Final Assembly Checks and Oil Fill

Performing final assembly checks, tightening, and refilling the hoist with oil.

Brake Valve Service

Brake Valve Disassembly Steps

Step-by-step guide for disassembling the brake valve, removing key internal components.

Brake Valve Cleaning and Assembly

Brake Valve Cleaning and Assembly

Instructions for cleaning, inspecting, and reassembling the brake valve components.

Reversing Direction of Drum Rotation

Motor and Clutch Rotation Reversal

Explains how to reverse drum rotation by altering motor and brake clutch assembly orientation.

Drum Rotation Reversal - Reinstallation

Component Reinstallation and Checks

Details reinstalling components, connecting hoses, and performing post-operation checks.

PD17 A Rotation Indication Proximity Sensor

Sensor Installation and Adjustment

Procedure for installing, adjusting, and testing the rotation indication proximity sensor on PD17A models.

BRADEN PD12C Series Specifications

General IconGeneral
BrandBRADEN
ModelPD12C Series
CategoryWinches
LanguageEnglish

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