Paccar BRADEN HP125B Installation Maintenance And Service Manual Download Page 7

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Motor

Control Valve

Pump

To Tank

Brake Valve

Static Brake

Medium

Pressure

Low

Pressure

High

Pressure

Figure 1

Figure 2

Figure 3

Motor

Control Valve

Pump

To Tank

Brake Valve

Static Brake

Medium

Pressure

Low

Pressure

High

Pressure

Motor

Control Valve

Pump

To Tank

Brake Valve

Static Brake

Medium

Pressure

Low

Pressure

High

Pressure

Sprag Cams

Figure 4

Static Friction Brake Applied

Permits free shaft rotation while hoisting

Hoisting

Sprag Cams

Figure 5

Static Friction Brake Applied

Load attempts to rotate shaft in opposite direction

Brake clutch locks sun gear shaft to friction brake

Stopped,

Holding

Load

Summary of Contents for BRADEN HP125B

Page 1: ...DRAULIC RECOVERY WINCH INSTALLATION MAINTENANCE AND SERVICE MANUAL LIT2430 R3 08 2011 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 w...

Page 2: ...2...

Page 3: ...EL ASSEMBLY 28 PLANETARY CARRIER SERVICE 31 INTERMEDIATE PLANET CARRIER SERVICE 32 FINAL PLANET CARRIER SERVICE 33 OVER RUNNING CLUTCH SERVICE 34 BRAKE CYLINDER SERVICE 35 HP125B ROTATION CHANGE 37 WA...

Page 4: ...nt at Telephone 1 918 251 8511 08 00 16 30 Central Time Zone Monday thru Friday FAX 1 918 259 1575 www paccarwinch com Provide the complete winch model and serial number when making inquiries Parts an...

Page 5: ...angles are worn straight or if the edges of the clutch plate are rounded or chipped 11 External clutches on recovery winches may disengage and drop or lose control of a load if they are NOT fully enga...

Page 6: ...erating compo nents 1 Brake Valve Assembly 2 Hydraulic Motor The brake valve is basically a counterbalance valve with better metering characteristics for load control It contains a check valve to allo...

Page 7: ...Low Pressure High Pressure Motor Control Valve Pump To Tank Brake Valve Static Brake Medium Pressure Low Pressure High Pressure Sprag Cams Figure 4 Static Friction Brake Applied Permits free shaft rot...

Page 8: ...e hydraulic motor work ports For conventional gear type motors backpressure at full flow should NOT exceed 100 PSI 690 kPa for maximum motor shaft seal life If high backpressures are encountered the m...

Page 9: ...F 82 C 120 140 F 49 60 C is generally considered optimum In general terms for continuous operation at ambient temperatures 50 110 F 10 43 C use SAE 20W for continuous operation at 10 90 F 12 32 C use...

Page 10: ...Circuit A Port Toward Flange ITEM 7 WINCH BRAKE LOWER ITEM 13 CASE DRAIN CUSTOMER HOIST BRAKE VALVE CHECK VALVE 12V DC SOLENOID 2 SP HYD MOTOR 2 SPEED SELECTOR VALVE P T T A G P2 P1 BR B A Two Speed...

Page 11: ...injury or death A minimum of five 5 wraps of wire rope must be left on the drum barrel to achieve rated load INSTALLATION OF U BOLT TYPE CLAMPS Prepare the end of the wire rope as recommended by the w...

Page 12: ...shift valve elimi nating the need to add extra valves to allow two speed operation A 12V DC toggle switch is required to actuate the solenoid The motors are spring biased to low speed mode Actuating t...

Page 13: ...e the load is positioned properly move the lever back to neutral to stop the winch Secure the load as required Pay out just enough wire rope to remove all tension on the cable drum Disengage the drum...

Page 14: ...the cable drum may be MANUALLY rotated in the direction to haul in wire rope to relieve the self energized load on the clutch lugs and allow the clutch to properly dis engage NOTE If your application...

Page 15: ...oximately 3 ft 1 m of wire rope extended beyond the drum 5 Mark one line on or near the tip of the drum flange nearest the gear housing and a second line on the gear housing adjacent to the first 6 Wh...

Page 16: ...e is available through all Braden dealers Have your dealer order part number 100600 It is a self adhesive weather resistant vinyl label that we recommend be installed near the winch controls of all Br...

Page 17: ...y rating should be used to avoid causing serious damage to the tree OIL DRAIN 8 O RING PLUG MOTOR DRAIN PORT SAE 4 JIC HOIST PORT SAE 16 O RING BOSS PORT 12 DC SHIFT SOLENOID VALVE FOR 2 SPEED OPERATI...

Page 18: ...ch On some winches you will have to disengage the clutch to gain access to the drum bushing grease fitting on the clutch end of the drum Use a high quality moly type grease with a rating of NLGI 2 or...

Page 19: ...26 fpm 8 mpm 24 fpm 7 mpm 26 fpm 8 mpm 27 fpm 8 mpm 21 fpm 6 mpm 21 fpm 6 mpm 14 fpm 4 mpm High Speed 53 fpm 16 mpm 62 fpm 19 mpm 53 fpm 16 mpm 55 fpm 17 mpm 55 fpm 17 mpm 54 fpm 16 mpm 47 fpm 14 mpm...

Page 20: ...brake clutch slippage which could result in property damage severe personal injury or death Some gear lubricants contain large amounts of EP extreme pressure and anti friction additives which may cont...

Page 21: ...n the brake valve Check brake cylinder seal as follows A Disconnect the swivel tee from the brake release port Connect a hand pump with ac curate 0 2000 psi gauge and shut off valve to the 4 J I C fit...

Page 22: ...use heat 2 System relief valve may be set too low Relief valve needs adjustment or repair 3 Be certain hydraulic system tem perature is not more than 180 degrees F Excessive hydraulic oil temperatures...

Page 23: ...remedies for Trouble D1 Thoroughly clean exterior and flush inte rior Fill drain to proper level Same as remedies for Trouble D2 Prime mover low on horsepower or R P M Tune adjust prime mover Check s...

Page 24: ...face of oil seals and a light coat of thread sealing compound on pipe threads Avoid getting sealing compound inside parts or passages which conduct oil Before starting disassembly of the winch remove...

Page 25: ...25 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 26: ...under the support end bearing leg so that the winch rests level on the base angles on one side and blocks under the bearing leg on the other side The HP125B winch weighs approximately 1800 lbs 817 kg...

Page 27: ...angles 73 and 74 onto the ground and remove the support end bearing leg 38 band brake 104 and air cylinders 5 and 6 if necessary See the subassembly service section in this manual for disassembly and...

Page 28: ...aring leg 38 bush ing 8 Put a 5 8 11 eye bolt into the gearbox end of the drum shaft Use an overhead hoist to lower the drum shaft 1 through the sliding clutch 101 and into the bearing leg bushing 38...

Page 29: ...earing leg 34 using capscrews 77 lockwashers 78 and nuts 79 Torque fasten ers to torque table value 19 Use overhead hoist to lower output planet carrier as sembly 400 into ring gear 65 Ensure splines...

Page 30: ...in the proper orientation and that the inner race snap ring is seated on the primary sun gear On standard rotation winches the inner race should free turn in the clockwise direction viewed from the h...

Page 31: ...t gear and center Grease remaining bearing rollers 9 and slide between planet gear 10 and planet pin 6 After all bearing rollers are in gear grease remaining thrust washer 8 and slide over planet pin...

Page 32: ...tting The loose roller bearings can be difficult to keep in place during assembly This procedure attempts to simplify this 1 Clean and inspect parts as described in step 4 of the disassembly procedure...

Page 33: ...ace during assembly This procedure attempts to simplify this 1 Clean and inspect parts as described in step 4 of the disassembly procedure 2 Ensure thrust spacer 66 is installed in the planet car rier...

Page 34: ...ch onto the inner race Ro tate the inner race slightly to get the clutch started onto the inner race 3 Install the other bearing onto the inner race 4 The outer race should have one retaining ring ite...

Page 35: ...2 Place friction brake disc on flat surface and check for distortion with a straight edge Friction material should appear even across entire surface with groove pattern visible Replace friction disc i...

Page 36: ...re plate 6 Apply petroleum jelly or oil soluble grease to the seal ing surface of the brake housing and the piston seal Turn the brake cylinder over and lower it onto the motor adapter being careful n...

Page 37: ...a 16 ORB port on the reel out side the com plete center section must be rotated 2 For the Rineer two speed motor and Commercial single speed motor the brake valve and shift block must be moved to the...

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Paccar BRADEN HP125B, Installation Maintenance And Service Manual

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