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Manual Band Brake Adjustment

Adjust rod end (item 807) to 0.88 in. (22 mm) as shown.

Adjust brake band adjusting link (item 804) to 1.22 - 1.34 in. (31 - 34 mm).

Apply brake - adjust as needed to allow handle to lock in place with a hard pull.

Release brake and adjust set screw (item 808) to allow the band brake to drop away from the drum approxi-
mately 0.06 in. (1.5 mm). Re-apply brake and tighten all jam nuts.

Содержание BRADEN BA3A

Страница 1: ...enance and Service Manual PACRWINCH DIVISION P O BOX 547 BROKEN ARROW OK U S A 74013 PHONE 918 251 8511 FAX 918 259 1575 www paccarwinch com LIT2272 R5 3 2011 PRINTED IN U S A COPYRIGHT 2011 PACCAR WI...

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Страница 3: ...YSIS 17 TROUBLESHOOTING 18 SERVICE PRECAUTIONS 21 WINCH DISASSEMBLY 22 WINCH CROSS SECTION 24 WINCH ASSEMBLY 26 PLANET CARRIER SERVICE 27 BRAKE CLUTCH SERVICE 29 AIR MOTOR SERVICE 31 BAND BRAKE ADJUST...

Страница 4: ...t Some pictures in this manual may show typical details or attachments that are different from your hoist Also some components may have been removed for illustrative purposes Whenever a question arise...

Страница 5: ...cts 4 An equipment warm up procedure is recommended for all start ups and essential at ambient tempera tures below 40 4 C Refer to Warm up Procedure listed in the Preventive Maintenance section of thi...

Страница 6: ...utch allows the input shaft to turn freely in the direction required to spool cable onto the drum i e lift a load then immediately locks the hoist gear train to the mechanical brake when the hoist is...

Страница 7: ...um Layer All wraps of wire rope on the same level between drum flanges Freeboard The amount of drum flange that is exposed radially past the last layer of wire rope Minimum freeboard varies with the r...

Страница 8: ...sun gear shaft between the motor and the primary sun gear It will allow this shaft to turn freely in the direction to raise a load and lock up to force the brake discs to turn with the shaft in the di...

Страница 9: ...he drum to the first sheave to ensure even spooling ref page 5 6 The air supply must be clean and free from moisture An airline filter and mist lubricator should be incorpo rated in the air supply lin...

Страница 10: ...f the wedge as shown in figure 2 Using a hammer and brass drift drive the wedge as deep into the pocket as possible to ensure it is fully seated and no further movement is detected Check to ensure the...

Страница 11: ...9 Correct Installation Incorrect Installations Wedge not fully seated Wedge pulled too far through anchor pocket Wire rope not tight against wedge Wedge may be too large Dead end of wire rope and or...

Страница 12: ...uipment operators should be completely familiar with the overall operation of the piece of equipment on which the hoist is mounted i e crane truck crane etc If you have any questions concern ing the s...

Страница 13: ...hoist does not operate smoothly or makes any unusual sounds the source of the problem should be identified and corrected before any attempt is made to lift the load 6 When lifting loads we recommend t...

Страница 14: ...in the air reaching the motor 5 The air line lubricator should be replenished as required and set to give 6 to 8 drops per minute If operation is intermittent double the rate to 12 to 16 drops per mi...

Страница 15: ...ticles that impede reliable and safe operation of the brake clutch and erode bearings and seals Failure to change gear oil at recommended intervals may contribute to intermittent brake slip page loss...

Страница 16: ...th Exxon Spartan EP 150 gear oil RECOMMENDED PLANETARY GEAR OIL Failure to use the proper type and viscosity of planetary gear oil may contribute to intermittent brake clutch slippage which could resu...

Страница 17: ...ity grades listed above or the viscosity grade closest to those listed available in your region In general a good grade of hydraulic oil with good demulsifying ability good water separation capabiliti...

Страница 18: ...INSPECTION RECORDS RETENTION TEAR DOWN INSPECTION 16 Any Hoist that has NOT been subject to regular oil sample analysis should undergo a tear down inspection on an annual 12 month basis Also if a hoi...

Страница 19: ...d then take the oil sample from the drain port as soon as possible Do not take the sample from the first oil out the drain port Take a sample from the mid stream flow of the oil to obtain an accurate...

Страница 20: ...er will not hold pressure seal is defective Disassemble and inspect the brake Ensure proper number of brake plates and friction discs are used Adjust band brake as defined in Band Brake Adjustment sec...

Страница 21: ...described in the Brake Clutch D The winch will not hoist the rated load 1 The winch may be mounted on an uneven or flexible surface which causes distortion of the winch base and binding of the gear tr...

Страница 22: ...time the load is removed Then when winding is resumed the rope has a tendency to criss cross and overlap on the drum The result is apt to be a flattened and crushed rope 4 The winch may have been ove...

Страница 23: ...il seals and O rings Before reassembly inspect all machined surfaces for excessive wear or damage Lubricate all O rings and the inside surface of oil seals with gear oil or general purpose grease prio...

Страница 24: ...and overrunning clutch assembly 100 7 The force of the brake springs is applied to the motor adapter so the bolts 220 must be loosened 1 turn at a time alternating across until the springs are no long...

Страница 25: ...23 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 26: ...24 WINCH CROSS SECTION...

Страница 27: ...HAFT 3 13 SHAFT BEARING SUPPORT 1 200 BRAKE PARTS GROUP 1 313 ROLLER BEARING 3 14 CAPSCREW 12 201 CYLINDER BRAKE 1 314 BEARING RACE 6 15 LOCKWASHER 24 202 PLATE PRESSURE 1 315 SPIROL PIN 3 16 PLUG O R...

Страница 28: ...pring spacer 210 and brake springs 203 in the brake cylinder Place the pressure plate 202 on top of the brake springs 12 Install the brake discs on the pressure plate The brake plate 204 is first foll...

Страница 29: ...orrosion discol oration material displacement or abnormal wear the bearing should be replaced Likewise the cage should be inspected for unusual wear or deformation particularly the cage bars If there...

Страница 30: ...place Always use NEW roll pins When properly posi tioned 50 of the roll pin will engage the planet gear shaft and 50 will remain in the planet carrier 4 Note that the roll pin is slightly recessed in...

Страница 31: ...ng is damaged or shows excessive wear there is no need for further disassembly If disassembly is necessary remove the bushing according to the procedure covered in Step No three 3 All brake clutch ass...

Страница 32: ...g direction to start it through the sprag clutch If the inner race will not go through the bushings the bushings have probably been damaged and should be replaced 6 Turn the assembly over with the sna...

Страница 33: ...e crankshaft so that one rod is at T D C Remove that cylinder the retaining circlip and gudgeon pin Push out from the piston and the entire assembly can be removed 3 Repeat this procedure in turn unti...

Страница 34: ...ssembly into open engine case Ensure each rod projects into its correct cylinder 6 Rotate the unit so that the main king rod comes to top dead centre fit the piston and gudgeon pin ensure gudgeon pin...

Страница 35: ...33...

Страница 36: ...and adjusting link item 804 to 1 22 1 34 in 31 34 mm 3 Apply brake adjust as needed to allow handle to lock in place with a hard pull 4 Release brake and adjust set screw item 808 to allow the band br...

Страница 37: ......

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