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WARNING: If incorrectly used this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its dangers
and should read the entire manual before attempting to set up, operate, adjust or
service the machine.

OWNER/OPERATOR’S MANUAL

& ILLUSTRATED PARTS LIST

4132502 REV B

MODEL:

73-70605A

LOADER FRONT END LD300

Summary of Contents for 73-70605A

Page 1: ...nd maintain this machine should be trained in its proper use warned of its dangers and should read the entire manual before attempting to set up operate adjust or service the machine OWNER OPERATOR S MANUAL ILLUSTRATED PARTS LIST 4132502 REV B MODEL 73 70605A LOADER FRONT END LD300 ...

Page 2: ...e of California to cause cancer birth defects or other reproductive harm California Advertencia de la Proposicion 65 El estado de California hace saber que los gases de escape de los motores diesel y algunos de sus componentes producen cáncer defectos de nacimiento y otros daños en el proceso de reproducción humana L émission du moteur de ce matériel contient des produits chimiques que l Etat de C...

Page 3: ...ice ensures that you continue to receive the best results possible from Jacobsen products You can trust Jacobsen replacement parts because they are manufactured with the same high precision and quality as the original parts Jacobsen designs and builds its equipment to serve many years in a safe and productive manner For longest life use this product only as directed in the manual keep it in good r...

Page 4: ... X 20 Bucket rollback 15o Bucket volume 6 cu ft approx Bucket width 48 Weight 702 lbs DESCRIPTION The front end Loader is designed exclusively for use with the 420 tractor The quick attach feature is very desirable for owners who use the tractor for various jobs Standard equipment is the 48 bucket A weight bar with 6 weights is required for use with the loader Uses include material handling of bul...

Page 5: ...uld personal injury and or property damage result This symbol means ATTENTION BECOME ALERT Your safety and the safety of others is involved Signal word definitions The signal words below are used to identify levels of hazard seriousness These words appear in this manual and on the safety labels attached to Jacobsen machines For your safety and the safety of others read and follow the information g...

Page 6: ...e key 5 Do not allow minors or the inexperienced to operate this machine 6 Keep people and pets a safe distance away from machine using power driven attachments Injury could result from flying debris GENERAL SAFETY OPERATING SAFETY 1 DO NOT attempt to work on unit or any attachments with the engine running STOP ENGINE 2 DO NOT exceed recommended loads 3 Always carry the load low SAFETY 4 Before le...

Page 7: ...belt 6 Install weight bar and 6 weights REMOVAL INSTRUCTIONS 1 Raise bucket approximately 20 from the floor 2 Loosen clamps to mounting shaft 3 Stop engine and remove pump drive belt 4 Carefully lower tractor front lift allowing loader to tip forward until bucket rests on floor 5 Release quick attach and carefully back tractor away from loader 6 Block or support frame of loader in case of accident...

Page 8: ...reases the chances of tipping over due to the weight and its effect upon the center of gravity 4 With the tractor engine running engage PTO to start pump 5 Operate valve levers carefully The left lever raises and lowers the loader This lever has a float position also The right lever controls the bucket position Always remove weights from weight bar when loader is removed ...

Page 9: ...s down or settles with load 1 Lift cylinders leaking 2 Hydraulic valve leaking 3 Hoses or fittings leaking SYMPTOM Oil sprays or leaks at filler cap 1 Check pump drive belt for correct size and adjustment 2 Fill to proper oil level with cylinders retracted 3 Do not exceed maximum recommended transport loads of 200 pounds 1 Replace cylinder seals 2 Replace seals in hydraulic valve or replace valve ...

Page 10: ...8 LOADER LD300 FRAME PARTS FIGURE 1 ...

Page 11: ... MOUNT 2 1 10 64 429 BOLT LDR CLAMP 2 1 11 4132719 7 BUCKET 1 70 107 CUTTING EDGE REP KIT 1 1 12 23 016 CYL 2 X 20 SIDE PORT 2 1 13 29 010 S B GREASE FITTING 4 1 14 4134161 TUBE AND HOSE CLMP 1 4 2 1 15 64163 84 WSR 1 015X1 75X 12510 1 16 64152 61 8 32 X 1 1 4 MACH SCREW 2 1 17 64025 29 NUT HEX 8 32 KEPS 2 1 18 64123 50 BOLT HEX 3 8 16X1 1 1 19 64141 4 NUT WLF 3 8 16 5 1 20 202525 DECAL CAUTION RD...

Page 12: ...10 LOADER LD300 HYDRAULICS FIGURE 2 32 33 ...

Page 13: ...4 23 016 CYLINDER 2 21 0A001665 SEAL KIT FOR CYL 1 2 15 25 2103 6 6 FITTING 90 5 2 16 20 032 HOSE 3 8 X 48 1 2 17 25 2503 8 8 FITTING 90 1 2 18 21 011 BARNES PUMP 5 CU IN 1 2 19 83 BK60H PULLEY FOR 60 DECK 1 INCLUDES ITEM 22 2 20 25 0503 10 10 FITTING STR 1 2 21 23 H08 BUSHING 1 2 22 85 K0208 KEY 1 2 23 21 093 FILTER HYDRAULIC 1 2 24 25 2103 12 8 FITTING 90 1 2 25 22 007 HOSE PUSH LOCK 5 8 X 12 1 ...

Page 14: ...n a Textron company is built to exacting standards ensured by ISO 9001 and ISO 14001 registration at all our manufacturing locations A worldwide dealer network and factory trained technicians backed by Textron Parts Xpress provide reliable high quality product support ...

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