Paccar BRADEN PD18C Parts And Service Manual
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Paccar BRADEN PD18C Parts And Service Manual

Paccar BRADEN PD18C Parts And Service Manual

Bumper winch system
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PD18C
Parts and Service Manual
PD18C BUMPER WINCH SYSTEM
Record serial number below:
First 2 numbers indicate year of manufacture
(for serial number location, see page 4).
Visit www.paccarwinch.com for the most up-to-date product and service information.
Technical publications for most PACCAR Winch products are available for download.
800 East Dallas | Broken Arrow, OK 74012
www.paccarwinch.com | 918.251.8511
MADE IN THE
LIT2220_2-2023 R7 (CPR) ©2022 PACCAR Inc

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Summary of Contents for Paccar BRADEN PD18C

  • Page 1 First 2 numbers indicate year of manufacture (for serial number location, see page 4). Visit www.paccarwinch.com for the most up-to-date product and service information. Technical publications for most PACCAR Winch products are available for download. 800 East Dallas | Broken Arrow, OK 74012 www.paccarwinch.com | 918.251.8511 MADE IN THE LIT2220_2-2023 R7 (CPR) ©2022 PACCAR Inc...

  • Page 3: Table Of Contents

    Table of Contents FOREWORD ............................4 EXPLANATION OF MODEL NUMBER ..................... 4 GLOSSARY OF TERMS .........................5-7 GENERAL SAFETY RECOMMENDATIONS ..................7 THEORY OF OPERATION DESCRIPTION OF WINCH ......................8 WINCH OPERATION - PLANETARY GEARING ............... 8 STANDARD BRAKE SYSTEM - DESCRIPTION ............... 8 STANDARD BRAKE SYSTEM - OPERATION ................

  • Page 4: Foreword

    FOREWORD Read and understand this entire publication before operating or servicing your BRADEN winch. Retain this manual for future reference. If you have any questions regarding your BRADEN Planetary Winch or this publication, call the BRADEN Service Department at 1-918-251-8511, 08:00-16:30 hours, CT, Monday through Friday. The minimum service intervals specified are for operating hours of the prime mover.

  • Page 5: Glossary Of Terms

    GLOSSARY OF TERMS Brake Valve - A hydraulic counterbalance valve is usually bolted to the hoist port of the hydraulic motor. It allows oil to flow freely through the motor in the hoisting direction. When oil pressure tries to rotate the motor in the lowering direction, the brake valve blocks the flow of oil out of the motor until the internal static brake is released.
  • Page 6 13. Do not weld on any part of the hoist without approval failure of wire rope, hoist or crane structure. from PACCAR Winch Engineering. 28. Whenever possible, install the hoist in a location that 14. Use recommended hydraulic oil and gear lubricant.

  • Page 7: General Safety Recommendations

    electrical path to ground if the load, rigging, or wire If there is any question regarding the preceding safety recommendations, or the safe operation of your rope come in contact with or within proximity to an electrically energized conductor. hoist, please contact the BRADEN Product Support Department at 1-918-251-8511, Monday through Friday 30.

  • Page 8: Theory Of Operation

    THEORY OF OPERATION DESCRIPTION OF WINCH The winch has five basic component parts: The hydraulic motor is bolted to the motor support which in turn is bolted to the brake cylinder which forms the 1. Hydraulic motor and brake valve winch mounting base.

  • Page 9: Standard Brake System - Operation

    STANDARD BRAKE SYSTEM – OPERATION winch, when hauling in cable, is not affected by any brake FIGURE 2 action. Figure 3. MOTOR STATIC When the haul-in operation is stopped, the load attempts BRAKE to turn the primary sun gear in the opposite direction. When the winch is powered in reverse, to pay-out cable, BRAKE VALVE...

  • Page 10: Manual Clutch Instructions

    MANUAL CLUTCH INSTRUCTIONS Visually check that clutch is fully engaged, shift handle locked in detent, before operating the winch drum under load. Do not attempt to move the clutch shift handle with a load on the cable. Do not use “cheaters” to extend the shift handle length or other means to apply undue force on the shift handle. A partially engaged drum clutch may “jump out”...

  • Page 11: Winch Installation

    WINCH INSTALLATION 1. The winch should be mounted with the center-line Maximum cold weather start-up viscosity should not of the drum in a horizontal position, with the clutch exceed 5,000 SUS with a pour point at least 20°F shifter at the top of the winch. (11°C) lower than the minimum temperature.

  • Page 12: Wire Rope Installation

    WIRE ROPE INSTALLATION Cable can be wound onto the drum in either direction. The standard static brake, however, is effective in only one direction. The winch is able to hold a load only if the cable or rope is wound in the correct direction on the drum or capstan.

  • Page 13: Preventative Maintenance

    PREVENTATIVE MAINTENANCE The brake valve cartridge is factory set and normally requires no further adjustment. The brake valve can be manually piloted open by its adjusting screw. Manually opening brake valve could cause internal winch damage and may cause loss of load control during lowering operations which may result in property damage, severe personal injury or death.
  • Page 14 3. Vent Plug 8. Recommended Planetary Gear Oil The vent plug is located in the clutch housing as shown Field experience, supported by extensive engineering in the previous illustration. It is very important to keep tests, indicates the use of the proper planetary gear oil is this vent clean and unobstructed.

  • Page 15: Recommended Gear Oil

    RECOMMENDED GEAR OIL RECOMMENDED GEAR OIL PREVAILING AMBIENT TEMPERATURE PREVAILING AMBIENT TEMPERATURE F -40 F -40 Use gear oil detailed in Range A Use gear oil detailed in Range B Use gear oil detailed in Range C C -40 C -40 SHADED TEMPERATURE RANGE IN THE CHART ABOVE NOT RECOMMENDED FOR SEVERE APPLICATIONS SUCH AS SUSTAINED SHADED TEMPERATURE RANGE IN THE CHART ABOVE NOT RECOMMENDED FOR SEVERE APPLICATIONS SUCH AS FAST DUTY CYCLES OR FREQUENT WINCHING.

  • Page 16: Troubleshooting

    TROUBLESHOOTING The following troubleshooting section is provided as a general guide. You may also need to contact the Original Equipment Manufacturer (OEM) for additional information. If a hoist exhibits any sign of: - Erratic operation such as poor load control, load creeping down or chattering. - Unusual noise.
  • Page 17 PROBABLE CAUSE TROUBLE REMEDY Same as A2. 1. Same as A2. Oil leaks from vent plug Case drain back pressure must 2. Motor seal may be defective not exceed 100 psi (690 kPa) for as a result of high back pressure gear motors and 44 psi (304 kPa) in the motor case drain circuit or for piston motors.
  • Page 18 PROBABLE CAUSE TROUBLE REMEDY Trouble “D” Continued From B. Apply a stall pull load on the hoist Previous Page while monitoring pressure. C. Compare gauge reading to hoist specifications. Adjust relief valve as required. NOTE: If pressure does not increase in proportion to adjustment, relief valve may be contaminated or worn out.
  • Page 19 PROBABLE CAUSE TROUBLE REMEDY Hoist “chatters” or surges while raising 1. Same as D2. Same as remedies for Trouble D2. rated load. 2. Hydraulic oil flow to motor may be Same as remedies for Trouble E2. too low. 3. Controls being operated too Conduct operator training as required.

  • Page 20: Pd18C Bumper Winch System Parts List

    PD18C BUMPER WINCH SYSTEM PARTS LIST ITEM DESCRIPTION PART NO. QTY. ITEM DESCRIPTION PART NO. QTY. BEARING LEG ASSEMBLY 83214 SHIFTER FORK 26979 BUSHING 22853 ROLLPIN 12028 GREASE FITTING 18047 PIN (1/4 X 1-1/4) 27002 DRUM BUSHING 23532 O-RING 22452 RING GEAR 22795 SHIFTER BRACKET...
  • Page 21 PD18C BUMPER WINCH SYSTEM PARTS LIST...
  • Page 22 PD18C BUMPER WINCH SYSTEM PARTS LIST CROSS-SECTION & PARTS LIST ITEM DESCRIPTION PART NO. QTY. BALL BEARING 26998 OIL SEAL * 25918 INPUT SUN GEAR 26983 CAPSCREW (1/2 - 13 X 1 1/4 GD8 Z) 104174 LOCKWASHER (1/2) 11026 O-RING * 21063 93 95 RING GEAR ADAPTER...
  • Page 23 PD18C BUMPER WINCH SYSTEM PARTS LIST ITEM NO. DESCRIPTION PART NO. QTY. CAPSCREW (1/2 - 13 X 2 1/2 GD8 Z) 104131 BUMPER SHELL ASSEMBLY LOCKWASHER (1/2) 11026 83308 (INCLUDES ITEMS 5, 11, 12, 14) NUT, HEX (1/2) (NS) 101439 WINCH DOOR 104529 TIE BAR...
  • Page 24 PD18C BUMPER WINCH SYSTEM PARTS LIST CAPSTAN OPTIONS Ductile Iron, P/N 81239, 6,000 lb. capacity, 46 lbs. weight. For use with wire rope or synthetic. Aluminum, P/N 82598, 3,000 lb. capacity, 27 lbs. weight. For use with synthetic rope only. AIR SHIFT KIT, P/N 64190 Order entire kit from your Braden Dealer.

  • Page 25: Winch Disassembly

    WINCH DISASSEMBLY 1. Remove drain plug and drain lube oil. NOTE: Winch is shown removed from bumper at this step for illustrative purposes only. 4. Remove capscrews securing the roller assembly and tow bar. These capscrews serve to attach the tow bar and roller assembly to the winch while passing through the bumper assembly.
  • Page 26 WINCH DISASSEMBLY 6. Remove brake supply transfer tube assembly from brake valve (82) and brake cylinder housing (110). 10. Remove motor support, seal, spacers, pressure plate, springs and brake pack (friction and steel discs). 11. Stand winch assembly on motor end, supporting with 7.
  • Page 27 WINCH DISASSEMBLY 14. Remove clutch housing with shift fork and clutch. 16. Remove drum bushing from cable drum. Remove planetary ring gear assembly from cable drum. The ring gear adapter may remain attached to the planetary ring gear assembly in which case the primary planetary assembly and thrust race will be removed with ring gear assembly.

  • Page 28: Planet Carrier Service

    PLANET CARRIER SERVICE OUTPUT PLANET CARRIER 4. To reassemble carrier, replace any worn bearings, thrust washers, or gears. Carefully place bearings, washers, and any spacers inside gear and replace in 1. Remove the planet gears by driving the roll pins into carrier and drive gear shaft through assembly.

  • Page 29: Motor Support / Brake Service

    MOTOR SUPPORT / BRAKE SERVICE DISASSEMBLY NOTE: PD18C winches use a new style lobed steel brake disc. This required a change to the motor support and brake cylinder and the addition of a spring spacer. A winch with lobed discs can be identified by a machined groove on the outside diameter 4.
  • Page 30 MOTOR SUPPORT / BRAKE SERVICE DRUM AND BEARING SUPPORT 3. Install the remaining brake spacer on top of the last steel brake disc. 4. To check brake stack height, place pressure plate on top of brake spacer, Hold pressure plate down firmly by hand and measure clearance in three places between motor support and pressure plate.

  • Page 31: Winch Assembly

    WINCH ASSEMBLY (When an assembly instruction calls for lubrication of a part, use winch gear oil unless specifically instructed otherwise.) Refer to Recommended Bolt Torque Chart on page 35 for torque values unless specifically instructed otherwise. 4. Position primary planetary assembly with hub extension facing outboard (up) onto face of bushing in brake cylinder housing.
  • Page 32 WINCH ASSEMBLY 7. Lubricate and position thrust race onto the hub exten- 9. Lubricate and install thrust bearing onto output sun sion of primary planet carrier. gear. 10. Position clutch with shift fork groove outboard (up), over output sun gear, and onto face of output planetary. Index clutch on output planetary in the disengaged position.
  • Page 33 WINCH ASSEMBLY 14. Lubricate bushings with lubricant and install bearing support over output sun gear and into clutch housing and install capscrews. 12. Position clutch housing assembly, with clutch shift lever in the engaged position, over output sun gear while engaging shifter fork into clutch. As clutch housing is lowered into position, clutch shift lever will need to be shifted from the engaged to disengaged 15.
  • Page 34 WINCH ASSEMBLY assembly with the short end of the brake coupling toward the motor. 21. Alternately and evenly hand tighten capscrews com- pressing brake springs and seating motor support. Torque capscrews to correct value. Be certain the snap ring is seated in the groove in the splined bore of the brake coupling.

  • Page 35: Recommended Bolt Torque

    RECOMMENDED BOLT TORQUE The general purpose torque shown in the chart applies to SAE grade 5 and 8 bolts, studs, and standard steel full, thick, and high nuts. Higher or lower torques for special applications will be specified such as the use of spanner nuts, nuts on shaft ends, jam nuts, and where distortion of parts or gaskets is critical.
  • Page 36 800 East Dallas | Broken Arrow, OK 74012 www.paccarwinch.com | 918.251.8511 MADE IN THE LIT2220_2-2023 R7 (CPR) ©2022 PACCAR Inc...

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