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7 MAINTENANCE

7.20 REEL BACKLAPPING ______________________________________________________

Check the reel and bedknife to determine if backlapping or

grinding will restore the cutting edge.

If wear or damage is beyond the point where the cutting

edges can be corrected by the lapping process, they must

be reground.

To backlap:

1. Lower the reels to the ground, disengage all drives,

engage parking brake, and stop engine.

2. Loosen locknut

) at valve stem.

3. Start the engine and set throttle to low idle speed.
4. Open hood and place back-lap switch

(B)

to ON.

Reels will begin rotating immediately.

5. Both the front and rear reel valves contain an

adjustable valve

(C)

to control the speed of the reels.

The front valve controls the front three reels. The back

valve controls the two rear reels. Turn valve counter-

clockwise to reduce reel speed. Repeat for both

valves.

6. After the desired speed is set, turn backlap switch

(B)

to OFF and stop engine. Tighten nut

(D)

to lock

adjustment in place.

Start engine and set backlap

switch to ON to begin backlapping.

7. Apply lapping compound, with a long handled brush,

along the entire length of the reel.

8. When the blades have been evenly honed, carefully,

and thoroughly wash off the remaining mixture.

9. Repeat the entire process on the other reels.
10. After backlapping set backlap switch

(B)

to OFF.

Important:

The speed control valves limit reverse speed

only.

Once the desired backlapping speed has been set the

valves can remain in this position for normal mowing. If full

reverse speed is needed, for instance during operation of

vertical mowers, the valve can be fully closed (turn

clockwise).

Figure 7D

Figure 7E

WARNING

To prevent severe injury, keep hands, feet, and clothing

away from rotating reels.

Carbon monoxide in the exhaust fumes can be fatal when

inhaled. Never operate the engine without proper

ventilation.

LF021

REAR REEL VALVE SHOWN,

REPEAT FOR FRONT VALVE

LF022

Содержание LF 550

Страница 1: ...550 Turbo Kubota V1505 T E3B 5 Gang 4WD 67983 LF 570 Turbo Kubota V1505 T E3B 5 Gang 4WD WARNING WARNING If incorrectly used this machine can cause severe injury Those who use and maintain this machin...

Страница 2: ...t your Jacobsen Dealer The serial plate is located on the right rear frame rail Jacobsen recommends you record these numbers below for easy reference 11524WILMARBLVD CHARLOTTE NC28273 kg kW 1 800 848...

Страница 3: ...eral 33 6 2 Maintenance Chart 33 6 3 Lubrication Chart 34 MAINTENANCE 7 1 General 35 7 2 Engine 35 7 3 Engine Oil 35 7 4 Air filter 36 7 5 Fuel 36 7 6 Fuel System 36 7 7 Battery 37 7 8 Jump Starting 3...

Страница 4: ...ck the tire pressure engine oil level the radiator coolant level and the air cleaner indicator Fuel is flammable Use caution when you add the fuel to the mower e Operate the mower in daylight or in go...

Страница 5: ...compartment for any reason Disengage all the drives and lower attachments to the ground Engage the parking brake Stop the engine and remove the key p When you hit an object or mower starts to cause t...

Страница 6: ...efore you connect or disconnect the battery charger to the battery Wear protective clothing and use insulated tools when you service the battery j Be careful and wear gloves when you check or service...

Страница 7: ...imum efficiency Adjustments and maintenance should always be performed by a qualified technician If additional information or service is needed contact your Authorized Jacobsen Dealer who is kept info...

Страница 8: ...Horsepower 35 5 Hp 26 4 Kw 3000 rpm Displacement 91 4 in 3 1498 cm3 Torque 73 ft lbs 99 Nm 2100 rpm Fuel Type 2 low or ultra low sulfur diesel Rating Min cetane rating 45 Capacity 17 U S gal 64 3 lite...

Страница 9: ...Fuel Tank 2838 1287 67980 Hydraulic and Fuel Tanks Full 2974 1349 67980 Mower with Empty Fuel Tank 2852 1294 LF 570 Dimensions Inches cm Length With Grass Catchers 121 307 3 Height Top of Steering Whe...

Страница 10: ...ero de serie Serienummer Ra n mer Serienummer Ra n mer Seri Numaras 6797801651 6797103500 6797901651 6797203500 6798101651 6795803500 6798201651 6795903500 6798001651 6796003500 6798301651 6796103500...

Страница 11: ...an kohdalla Niveau de bruit hauteur des oreilles de l op rateur Schallpegel am Bedienerohr A kezel f l n l m rt zajszint Livello di potenza sonora all orecchio dell operatore Trok a l menis pie operat...

Страница 12: ...oby upowa nionej do sporz dzenia deklaracji w imieniu producenta przechowuj cej dokumentacj techniczn upowa nion do stworzenia dokumentacji technicznej oraz wyznaczonej ds wsp lnotowych Assinatura da...

Страница 13: ...vibration levels The operator was in the normal position to drive the vehicle with two hands on the steering mechanism The cutting device was in rotation with the mower driven in a straight line at 6...

Страница 14: ...rfgroomer LH 67913 Turfgroomer RH 67914 Powered Rear Roller Cleaning Brush 62820 LF 570 9 Blade 7 in Diameter Reel 67987 11 Blade 7 in Diameter Reel 67986 Vertical Mower Assembly 7 in Diameter 67854 V...

Страница 15: ...rts Before you clean adjust or repair this equipment disengage all drives engage parking brake switch and stop engine Never carry passengers Keep bystanders away Do not use on slopes greater than 19 D...

Страница 16: ...s in the air intake system may be potentially explosive or cause a runaway engine condition This could result in serious engine damage DANGER To prevent injury disengage all drives engage parking brak...

Страница 17: ...CALS 3 17 3008521 3008682 3008683 Tow Valve Vehicle can Normal Operation be towed Closed Open 105dB LWA Traction Pedal Reverse Forward Turn reel valve knob to adjust backlap reel speed Sound Power Lev...

Страница 18: ...nd what they represent Learn the location and purpose of all the controls and gauges before operating this mower Read Manual High Low Engine Throttle Mower Rotation 2 WD 4 WD Lock Unlock Forward Rever...

Страница 19: ...Cruise Control Switch E Ignition Switch F Horn Switch G Light Switch H Joystick J Fuel Cap K Air Cleaner Indicator L Backlap Switch M Steering Tilt Lever N Traction Pedal Forward P Traction Pedal Rev...

Страница 20: ...running and input and output circuits are being monitored GLOW PLUG Position Controller follows the variable timing for pre glow START Position Used to start the engine See Section 5 4 F Horn Switch U...

Страница 21: ...side lever out to adjust seat forward or backward To adjust spring tension under seat turn adjusting knob on front of seat S Hydraulic Oil Cap Dipstick Fill to mark on dipstick using clean hydraulic f...

Страница 22: ...battery drain only use 12 volt outlet with engine running CAUTION The 12 volt Accessory Outlet circuit is protected by a 10 amp fuse Do not attempt to use attachment s with a combined power rating gre...

Страница 23: ...he engine can occur Coolant Temperature Light Red coolant temperature light located on left side of the LDU indicates an coolant temperature above 230 F 110 C Shut down unit immediately Remove debris...

Страница 24: ...l level light turns on when hydraulic fluid level in tank is low Visually inspect mower for obvious signs of leaks around connections hoses and hydraulic components Pedal and Brake On screen is shown...

Страница 25: ...2 3 or 4 the engine continues to run during tests 5 or 6 3 Refer to the chart below for each test and follow the check 4 marks across the chart Shut engine off between each test Test 1 Represents norm...

Страница 26: ...to vibrate abnormally Have the equipment repaired before resuming operation 10 Slow down and use extra care on hillsides Read Section 5 11 Use caution when operating near drop offs 11 Look behind and...

Страница 27: ...tions 1 Disengage the mow switch B raise and lock the implements in the transport position and move away from the area of operation 2 Select a flat and level area to park a Release traction pedal to b...

Страница 28: ..._______ To mow 1 If transport bars are installed remove them and return them to their storage area 2 Set mow switch to its ON Up position This also sets the mower lever to automatic mode See Mower Lif...

Страница 29: ...ontinues to slide or mark the turf the grade is too steep for safe operation Do not make another attempt to climb and back down slowly Correct tire pressure is essential for maximum traction Front and...

Страница 30: ...Inches with 1 Yard Level A Millimeters with 1 Meter Level A Slope in Degrees Slope Grade 3 4 8 8 3 100 5 7 10 0 150 8 5 15 6 9 5 16 7 200 11 3 20 0 7 5 11 8 20 8 225 12 7 22 5 9 250 14 25 0 275 15 4...

Страница 31: ...drive pump beneath the operators seat Remove cover from floor in front of operator s seat To open valve use a wrench or insert a pin or small screw driver into the small hole in the valve stem Turn t...

Страница 32: ...fuel tank or add fuel when the engine is running or while the engine is hot b Do not smoke when handling fuel Never fill or drain the tank indoors c Never overfill or allow the tank to become empty D...

Страница 33: ...Grade 2 Service Class GB II Manual grease gun with NLGI Grade 2 Service Class LB III Engine Oil See Section 7 3 IV Jacobsen Hydraulic Oil SAE 10W30 or Greens Care 68 WARNING Before you clean adjust o...

Страница 34: ...9 Grease Fittings F1 50 Hours Every Week 1 Swivel Housing 2 Lift Arm 3 Lift Cylinders 4 Lift Arm Pivot 5 Brake Pedal Pivot 6 Traction Pedal Pivot 7 Ball Joint 8 Steering Pivot 9 Steering Cylinder 10...

Страница 35: ...ife of the engine During the break in period Jacobsen recommends the following 1 During the first 50 hours of operation a new engine should be allowed to reach an operating temperature of at least 140...

Страница 36: ...sh 2 low or ultra low sulfur diesel fuel Minimum Cetane Rating 45 Refer to Engine Manual for additional information Check fuel lines and clamps every 50 hours Replace fuel lines and clamps at the firs...

Страница 37: ...e terminal on the good battery to the frame of mower with discharged battery After cables have been connected start the engine on the vehicle with the good battery then start the mower 7 9 CHARGING BA...

Страница 38: ...d before tightening d Keep the hose from twisting Twisted hoses can cause couplers to loosen as the hose flexes during operation resulting in oil leaks e Kinked or twisted hoses can restrict the oil f...

Страница 39: ...n and properly secured 2 Check the interlock system fuses and circuit breakers regularly If the interlock does not function properly and the problem cannot be corrected contact an authorized Jacobsen...

Страница 40: ...d any accessories within the ROPS should be inspected regularly and all damaged parts replaced immediately 2 Once the ROPS has been subjected to any form of impact it should be replaced 3 Check and to...

Страница 41: ...at bearing housings and seals 4 Clean all plastic or rubber components with a mild soap solution and warm water or use commercially available vinyl rubber cleaners Repair damaged metal surfaces and us...

Страница 42: ...valves 6 After the desired speed is set turn backlap switch B to OFF and stop engine Tighten nut D to lock adjustment in place Start engine and set backlap switch to ON to begin backlapping 7 Apply la...

Страница 43: ...Install drain plug and refill with fresh oil Torque drain plug to 22 ft lb 30 Nm 2 Clean exterior of engine Paint exposed metal or apply a light coat of rust preventative oil 3 Add a fuel conditioner...

Страница 44: ...point where the reel or bedknife can be corrected by the lapping process they must be reground 4 Proper reel to bedknife adjustment is critical A gap of 0 001 to 0 003 in 00025 to 0 0076 cm must be m...

Страница 45: ...Note Avoid excessive tightening or damage may occur to bedknife and reel blades Reels must turn freely Figure 8C 8 4 CUTTING HEIGHT _________________________________________________________ Note Alway...

Страница 46: ...lly place motor and its hoses away from the cutting unit To prevent contamination and damage to internal components cover or cap off bearing housing cavity R 4 Remove cap M on lift arm Unfasten retain...

Страница 47: ...the mower frame directly behind the lift arm If reels continue to run when lifted or do not run when lowered inspect switch Adjust or replace switch as needed To adjust switch 1 Park mower on a flat l...

Страница 48: ...3 32 in 008 to 0 2 cm P when cylinder is fully extended Figure 8I 8 10 ARMREST HEIGHT ADJUSTMENT ___________________________________________ The armrest has four available height settings for operator...

Страница 49: ...nger button stops the armrest at both ends of armrest pivot slots and plunger body does not contact armrest pivot Do not use plunger to increase pivot tension 2 Adjust hardware X as required to obtain...

Страница 50: ...Nm 75 8 4 100 11 3 107 12 1 143 16 1 9 16 18 ft lb Nm 92 124 122 165 129 174 172 233 1 4 28 in lb Nm 85 9 6 115 13 0 120 13 5 163 18 4 5 8 11 ft lb Nm 113 153 151 204 159 215 211 286 5 16 18 in lb Nm...

Страница 51: ...Bleed fuel lines 2 Air cleaner dirty 2 Inspect and replace air filter 3 Injectors fuel pump 3 Consult Engine Manual 4 Engine problem 4 Consult Engine Manual Engine stops 1 Fuel tank empty 1 Fill with...

Страница 52: ...Bedknife Contact 6 Height of Cut HOC 7 Roller and Roller Bearing Condition 10 2 WASHBOARDING _________________________________________________________ NOTE Arrow indicates direction of travel Washboa...

Страница 53: ...of varying cutting heights resulting in a wave like cut appearance In most cases the wave tip to tip distance is 2 in 5 cm or less Probable Cause Remedy Mowing ground speed is too fast Reduce mowing...

Страница 54: ...eight of cut settings are different from one side of a reel to the other or from one cutting unit to another Check HOC adjustment of cutting units Worn front roller bearings Check replace front roller...

Страница 55: ...even brown patch This is usually caused by an excessively low height of cut HOC setting and or uneven turf Probable Cause Remedy HOC height of cut settings are lower than normal Check adjust the HOC s...

Страница 56: ...e Remedy Bedknife improperly adjusted Adjust reel to bedknife setting Dull reel or bedknife cutting edges Sharpen or replace reel blade and bedknife as necessary Mowing ground speed is too fast Reduce...

Страница 57: ...or unevenly worn reel Inspect reel Replace as needed Loose or missing bedknife fasteners Check bedknife screws Tighten loose screws replace missing screws Turning too aggressively Cutting units don t...

Страница 58: ...posit of clippings concentrated at one end of cutting unit s or between two cutting units forming a line in the direction of travel Probable Cause Remedy Grass is too tall Mow more often Mowing while...

Страница 59: ...ife and reel Sharpen or replace reel and bedknife as necessary Missing loose or overtorqued bedknife screws Install replace or tighten bedknife screws to proper torque setting Mowing ground speed is t...

Страница 60: ...s Jacobsen Limited West Road Ransomes Europark Ipswich IP3 9TT English Company Registration No 1070731 www ransomesjacobsen com North South America Jacobsen A Textron Company 11108 Quality Drive Charl...

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