Paccar Winch BRADEN PD21A Series, Installation Maintenance And Service Manual

Page 1: ...PLANETARY HOIST INSTALLATION MAINTENANCE AND SERVICE MANUAL LIT2158 R2 9 2007 Printed in U S A PACR WINCH DIVISION P O BOX 547 BROKEN ARROW OK U S A 74013 PHONE 918 251 8511 FAX 918 259 1575 www pacc...

Page 2: ...8 INSTALLATION 9 WIRE ROPE INSTALLATION 9 HOIST OPERATION 11 HYDRAULIC CIRCUIT 12 RECOMMENDED FASTENER TORQUE 12 PREVENTIVE MAINTENANCE 13 RECOMMENDED GEAR OIL 14 OIL SAMPLING AND ANALYSIS 15 TROUBLE...

Page 3: ...stood Some pictures in this manual may show details or attachments that are different from your hoist Also some com ponents have been removed for illustrative purposes Continuing product improvement m...

Page 4: ...ds or kilograms on the first layer of cable The maximum rating for any particular hoist is based on maintaining an acceptable structural design factor and service life Certain combinations of drum gea...

Page 5: ...to clean oil or perform any mainte nance on a machine with the engine or prime mover running unless instructed to do so in this manual 20 Never operate hoist controls unless you are proper ly positio...

Page 6: ...y from 0800 to 1630 hours CST by fax at 918 259 1575 or via the internet at www paccarwinch com for the latest avail able information CAUTION This emblem is used to warn against potential or unsafe pr...

Page 7: ...N The dual brake system consists of a dynamic brake sys tem and a static brake system The dynamic brake system has two operating compo nents 1 Brake valve assembly 2 Hydraulic motor The brake valve is...

Page 8: ...ot rotate until sufficient pilot pressure is present to open the brake valve Figures 3 4 The fric tion brake within the hoist will completely release at a pressure lower than that required to open the...

Page 9: ...Base Components Drum Gear Train Motor Brake Valve Brake Cylinder Brake Clutch Support End Bracket Detail PD21A COMPONENTS 8...

Page 10: ...mm 5 Hydraulic lines and components that operate the hoist should be of sufficient size to assure minimum back pres sureatthehoistmotorports Toinsureadequatestaticbrake load holding ability back pres...

Page 11: ...mine the proper wedge size It is important that the wire rope have the proper ten sioning when it is installed on the drum When the wire rope is first installed you should operate the hoist with light...

Page 12: ...ke operation Our tests indicate that excessive ly heavy or thick gear oil may contribute to intermit tent brake slippage Make certain that the gear oil viscosity used in your hoist is correct for your...

Page 13: ...NOTE The hydraulic circuit shown below is representative of typical Braden hoists Options and accessory equip ment may result in changes to the circuit shown If there are any questions regarding the h...

Page 14: ...the full length of wire rope rigging and all sheaves according to the wire rope and crane man ufacturer s recommendations 6 A warm up procedure is recommended at each start up and is mandatory at amb...

Page 15: ...aring support It is important to keep the vent plug clean and unob structed Whenever the gear oil is changed the vent plug should be removed cleaned in solvent and reinstalled Do not paint over the ve...

Page 16: ...n property damage personal injury or death Early detection of accelerated component wear allows the scheduling of corrective maintenance and can reduce in operation failures and costly down time Takin...

Page 17: ...ug with a hole drilled through it located behind the pilot port fitting on the brake valve If it becomes plugged it will prevent the pilot pressure from the manifold from opening the brake valve If it...

Page 18: ...ith rec ommended planetary gear oil listed in Preventive Maintenance Brake clutch may be damaged or worn Disassemble and inspect brake clutch as described in Over running Clutch Service 1 Excessive sy...

Page 19: ...charts for additional information Perform rigging service as rec ommended by crane manufac turer Same as remedies for Trouble D1 Thoroughly clean exterior and flush interior Fill drain to proper level...

Page 20: ...n the load is slacked off the several wraps on the drum will stay closer together and maintain an even layer If rope of improper lay is used the coils will spread apart each time the load is removed T...

Page 21: ...un gear shaft and lift the input planetary carrier assembly from the drum 10 Lift the cable drum off the drum bearing support and endplate assembly 11 Thoroughly clean and inspect all components at th...

Page 22: ...f 19 rollers separat ed by a spacer ring in the output planet gears Place a second thrust washer on top of the planet gear Carefully slide the planet gear with bearing rollers and thrust washers into...

Page 23: ...ring Rollers 114 39 Spirol Pin 3 101 Bearing Spacer 3 Output Planet Carrier Assembly Primary Planetary Carrier Assembly Item Description Quantity 26 Primary Planetary Carrier 1 27 Primary Planet Gear...

Page 24: ...tall the remaining bearing 44 and retaining ring 47 Make certain all retaining rings are fully seated in the grooves Apply a liberal amount of hoist gear oil to the over running brake clutch assembly...

Page 25: ...n back up ring 6 from the cylinder 4 Remove the pressure plate 7 and the springs 9 and spring spacer 10 Clean and Inspect 1 Thoroughly clean all the brake cylinder parts at this time Check sealing sur...

Page 26: ...n top of the last steel brake disc 4 To check brake stack height place pressure plate 7 on top of brake spacer Hold pressure plate down firmly by hand and measure gap in three places between motor ada...

Page 27: ...nstall the four capscrews and lockwashers After the capscrews make contact with the motor adapter evenly tighten them one turn at a time until the motor adapter is drawn tight against the brake cylind...

Page 28: ...is even with the outside surface of the closure Install a new o ring 68 into the groove in the out side diameter of the closure Lubricate the outside diameter of the closure with multi purpose grease...

Page 29: ...is complete check all fas teners and hydraulic fittings to make certain they have been properly tightened Refill the hoist with the recommended planetary hoist gear oil 17 Before returning the hoist t...

Page 30: ...ce from the brake release BR port using a 5 32 in Allen wrench 2 Remove the spool spring retainer 3 and spool spring 11 Check spring free length Replace spring if less than 1 15 16 in 49 2 mm long 3 R...

Page 31: ...o rings to return to their original size after being stretched 3 Lubricate the spool and damper piston o rings with hydraulic oil Carefully install the damper piston into the spool 4 Lubricate the sp...