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SECTION IV

MAINTENANCE

4-1 MAINTENANCE CHECK LIST

Perform  scheduled  maintenance  as  outlined  below.
Lower implement to ground, turn off tractor, and set
parking brake before doing maintenance inspections
or  work.  Some  checks  may  require  raising  machine
off  ground  and  supporting  with  blocks.  All  bolts
should  be  torqued  as  indicated  in  torque  chart
unless otherwise indicated.

WARNING

THE  CUTTER  CAN  FALL  FROM
HYDRAULIC  SYSTEM  FAILURE.  TO
AVOID  SERIOUS  INJURY  OR  DEATH,
SECURELY  SUPPORT  CUTTER  BEFORE
WORKING UNDERNEATH.

BEFORE EACH USE.

1. Check tractor tire air pressure. Refer to tractor

operator’s  manual.  Check  mower  tire  pressure  (if
pneumatic tires). Tire pressure should be 30 psi.

2.  Check  blades  and  spindles  to  be  sure  that  no

foreign objects such as wire or steel strapping bands
are wrapped around them.

3. Check blade bolts for tightness. Tighten blade

bolts to 76 ft./lbs.

4.  Inspect  blades  for  wear.  Replace  if  necessary

per  paragraph  4-5.  Use  only  genuine  Bush  Hog
replacement  parts.  If  it  is  necessary  to  sharpen  the
blades,  remove  the  blades  from  the  spindles  before
sharpening.  DO  NOT  sharpen  blades  while  still
attached to mower.

5.  Make  certain  all  shields  are  in  place  and  in

good  condition.  Repair  or  replace  any  missing  or
damaged shields.

6.  Inspect  wheel(s)  for  wear,  damage  or  foreign

objects. Repair or replace if necessary.

7.  Perform  BEFORE  EACH  USE  lubrication  per

paragraph 4-2.

8.During  operation,  listen  for  abnormal  sounds

which might indicate loose parts, damaged bearings,
or other damage. Correct any deficiency before con-
tinuing operation.

AFTER EACH USE

1. Clean all debris from machine especially under-

side  of  deck,  underneath  belt  shield  and  off  safety
decals. Replace any missing or illegible decals.

2.  Inspect  cutter  for  worn  or  damaged  compo-

nents.  Repair  or  replace  before  next  use.  Any
replacement components installed during repair shall 
include the components’ current safety decals speci-
fied by the manufacturer to be affixed to the compo-
nent.

3. Store cutter in a dry place.

40 HOURS

1.  Check  belt  for  proper  tension.  Refer  to  para-

graph 4-3.

4-2 LUBRICATION

(Figures 4-1A,  & B)

BEFORE EACH USE

1. Driveline Universal Joints - Apply multi-purpose

grease with grease gun.

2.  Driveline  Guard  -  Apply  2-3  shots  of  multi-pur-

pose grease with grease gun to plastic fitting.

3.  Wheels  -  Apply  multi-purpose  grease  wiith

grease  gun.

4. Caster Pivot - Apply multi-purpose grease with

grease gun.

5.  Input  Gearbox  -  Add  EP80W-90  gear  oil,  if

necessary, to bring oil level to check plug.

20 HOURS

6.  Driveline  -  Disconnect  PTO  driveline,  pull  the

two sections apart, thoroughly clean old grease from
tubes and apply thin coat of multi-purpose grease to
outside  of  inner  (male)  section.  Reassemble  sec-
tions  and  install.  Pull  each  section  to  be  sure  drive-
line  and  shields  are  securely  connected.  Make  cer-
tain PTO shielding is in good condition.

NOTE

The  multi-purpose  grease  referenced  in  this

secftion is an NLGI Grade 2 type grease.

Figure 4-1B

(6) 20 Hours

(2) Before Each Use

(1) Before Each Use

11

(4) Before Each Use

Figure 4-1A

(5) Before Each Use

(3) Before Each Use

Summary of Contents for RFM 60

Page 1: ...ASSEMBLY l l OPERATION l l MAINTENANCE 04 09 Rev 1 4 00 50050226 RFM 60 Rear Finishing Mower Operator s Manual BUSH HOG ...

Page 2: ...aler we stock genuine Bush Hog parts which are manufactured with the same precision and skill as our original equipment Our trained service personnel are well informed on methods required to service Bush Hog equipment and are ready and able to help you Should you require additional information or assistance please contact us YOUR AUTHORIZED BUSH HOG DEALER BECAUSE BUSH HOG MAINTAINS AN ONGOING PRO...

Page 3: ...rator s responsibility to read the Operator s Manual to operate lubricate maintain and store the product in accordance with all instructions and safety procedures Failure of the operator to read the Operator s Manual is a misuse of this equipment It is the Retail Customer and or Operator s responsibility to inspect the product and to have any part s repaired or replaced when continued operation wo...

Page 4: ...tallation other than cost approved by Bush Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses due to loss damage detention or delay in the delivery of equipment or parts resulting from acts beyond the control of Bush Hog THIS LIMITED WARRANTY SHALL NOT APPLY 1 To vendor items which carry their own warranties suc...

Page 5: ...ifications given in Torque Chart r 6 All decals in place and readable See decal page r 7 Overall condition good i e paint welds r 8 Operators manual has been delivered to owner and he has been instructed on the safe and proper use of the cutter r 9 Warranty information has been registered online with Bush Hog Dealer s Signature Purchaser s Signature THIS CHECKLIST TO REMAIN IN OWNER S MANUAL It is...

Page 6: ... the equipment safety signs These words are intended to alert the viewer to the existence and the degree of hazard seriousness This signal word indicates a potentially hazardous situation which if not avoided will result in death or serious injury White letters on RED This signal word indicates a potentially hazardous situation which if not avoided could result in death or serious injury It may al...

Page 7: ...ry passengers 6 Keep the area of operation clear of all persons particularly small children and pets The operator should cease mowing whenever anyone comes within the operating area 7 Clear the work area of objects which might be picked up and thrown 8 Use a piece of cardboard or wood rather than hands to search for hydraulic leaks Escaping hydraulic oil under pressure can penetrate skin If fluid ...

Page 8: ... not limited to instructions to Keep all guards in place when the machine is in operation Permit no riders on equipment Stop engine disconnect the power source and wait for all machine movement to stop before servicing adjusting cleaning or unclogging the equipment except where the machine must be running to be properly serviced or maintained in which case the employer shall instruct employees as ...

Page 9: ...aintained area where a clean uniform finish is desired Parallel uplift blades form a suction during operation to lift the grass before cut ting it The four caster wheel arrangement along with the floating top lift linkage work together to give an even cut and minimize scalping Power from the tractor is transmitted through a trian gular telescoping driveline to the 90 degree gear box It is then pas...

Page 10: ... box input shaft Shut down tractor leaving cutter in position of greatest distance SECURELY BLOCK CUTTER IN POSITION F Hold down driveline sections parallel to each other and check for minimum 6 inches 152mm overlap Figure 2 2 If driveline has been marked for cutting overlap will be the distance between two marks If driveline has less than minimum overlap DO NOT USE Contact authorized Bush Hog dea...

Page 11: ...tain driveline shielding is in place and in good condition Figure 2 4 Figure 2 5 MAKE CERTAIN DRIVELINE YOKES ARE SECURELY FASTENED FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY L Raise cutter off ground and adjust lower lift arms to level cutter right to left Refer to tractor oper ator s manual M Lower cutter to work position Adjust tractor top link to position cutter top flex link as shown in Fi...

Page 12: ...ame height 3 3 OPERATION A Perform BEFORE EACH USE maintenance list in paragraph 4 1 B Start tractor Lower cutter until it is supported by caster wheels Position tractor lower lift arms as shown in Figure 2 6 page 9 This will allow cutter to float during operation WARNING THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE TO AVOID SERIOUS INJURY OR DEATH SECURELY SUPPORT CUTTER BEFORE WORKING UNDER...

Page 13: ...rmal sounds which might indicate loose parts damaged bearings or other damage Correct any deficiency before con tinuing operation AFTER EACH USE 1 Clean all debris from machine especially under side of deck underneath belt shield and off safety decals Replace any missing or illegible decals 2 Inspect cutter for worn or damaged compo nents Repair or replace before next use Any replacement component...

Page 14: ...left side shields B Relieve spring tension by loosening the 5 16 hex nut on the spring adjustment rod Figure 4 3 C Remove old belt D Install new belt as shown below Also refer to the decal on underside of belt shield Be sure that the belt is properly positioned in all sheave grooves E Adjust tension on the belt by adjusting the length of the spring on the moveable idler The cor rect initial rod le...

Page 15: ...s Check all bolts for tightness Low oil in gearbox Check oil per paragraph 4 2 Rapid Blade Wear Blade contacting Adjust cutting height to cutting edge ground eliminate ground contact Cutter Vibrating Cutter not being Set tractor throttle for operated at rated proper PTO speed PTO speed Blade s bent Replace blades Foreign object wrapped Remove object around spindle or blade 4 5 BLADE REPLACEMENT A ...

Page 16: ...NG ANY ASSEMBLY STEP THOROUGHLY READ THE NEXT STEP IN THE ASSEMBLY INSTRUCTIONS BEFORE PRO CEEDING WITH THAT STEP 11 After completing assembly thoroughly inspect the machine to be sure that all nuts bolts hydraulic fittings or any other fastened assemblies have been thoroughly tightened 12 After completing assembly be sure that all safety locking devices or guards are in place 13 Before operating ...

Page 17: ...ms This arrangement will give a cutting height of approximately 3 1 2 inches Secure with lynch pin retainers With weight of cutter resting on all four wheels ensure that cutter is level Tighten all bolts on mounting brackets G Fill gearbox with EP80W 90 gear oil until oil level is at check plug on side of gearbox housing Capacity is 1 quart Replace solid fill plug with breather plug supplied in op...

Page 18: ...ur products in the field at no charge Contact your authorized Bush Hog dealer for more information 16 50042283 50042282 50042285 78608 50012616 78786 83056 50012615 50042281 IMPLEMENT CAN FALL FROM HYDRAULIC SYSTEM RELEASE TO AVOID SERIOUS INJURY OR DEATH SHUT OFF TRACTOR ENGINE REMOVE KEY SECURE TRACTOR PARKING BRAKE AND BLOCK UP OR SECURELY SUPPORT IMPLEMENT BEFORE WORKING UNDERNEATH STAND CLEAR...

Page 19: ...12 UNF 553 749 1241 1682 2013 2728 2 1 16 1 3 8 6 UNC 655 887 1470 1992 2382 3228 2 1 16 1 3 8 12 UNF 746 1011 1672 2266 2712 3675 2 1 4 1 1 2 6 UNC 870 1179 1950 2642 3161 4283 2 1 4 1 1 2 12 UNF 979 1327 2194 2973 3557 4820 TORQUE SPECIFICATIONS Proper toque for American fasteners used on Bush Hog equipment Recommended Torque in Foot Pounds Newton Meters Proper torque for metric fasteners used o...

Page 20: ...2501 Griffin Avenue l l Selma AL 36703 Telephone 334 874 2700 l l www bushhog com ...

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