background image

TROUBLESHOOTING GUIDE

24

Problem:

Possible Cause:

Possible Remedy:

Leaves a streak of uncut or

partially cut grass

Mower not level, side to side

Blade dull or bent.

Blades unable to cut that part of  grass
pressed by path of tractor tires.

Possible build up of  material under
mower.

Level 3-pt. hitch linkage on tractor.

Sharpen or replace blades.

Slow ground speed of  tractor but keep engine

running at full PTO rpm. Cutting lower will help.

Clean rotary mower.

Blade cuts grass lower in
center of swath than at the
edge.

Height of  rotary mower lower at rear or at
front.

Adjust rotary mower height and altitude so that
rotary mower rear and front are within 1/2" of

same height.

Material discharges from

mower unevenly, or

discharges clumps of grass.

Grass or brush may be too high or thick.

Grass wet.

Reduce ground speed but maintain 540 rpm at
tractor PTO, or make two passes over material.
Raise rotary mower for the first pass and lower for
the second pass, preferably cutting 90

o

 to the the

first pass. Raise rear of rotary mower high enough
to permit material to discharge.

Allow grass to dry before mowing. Slow ground

speed of  tractor but keep engine running at full

PTO rpm. Cutting lower will help.

Gearbox overheating.

Low on lubricant

Improper lubricant type.

Excessive trash build up around gearbox

Fill to proper level.

Replace with proper lubricant.

Remove trash.

Rotary mower will not cut.

Rotary mower will not cut all

the time. (slip clutch only)

Shear bolt sheared

Slip clutch slipping.

Install new shear bolt.

Adjust slip clutch according to guidelines on page

14 (Fig. 4-5)

Excessive vibration.

Possible build up of  material on blade.

Blades locked into position.

Check for even wear on each blade tip.

Broken blade.

New blade or bolts not matched with

worn blade or bolts.

Clean blade pan.

Free blades so they swing free.

Weigh each blade. Weight should be within 1 oz.
Always replace both blades.

Replace blades, in set.

Replace blades or bolts in sets.

Gearbox noisy.

Low oil in gearbox.

Check oil level. Add oil.

Summary of Contents for & RC30-84

Page 1: ...ROTARY MOWER Operation Service Parts Manual For RC30 60 RC30 72 RC30 84 February 2006 Form RC30Mower pm7...

Page 2: ...0 Adjusting for Work 10 Operation 11 Section 4 12 Maintenance Checklist 12 Lubrication 12 13 Blade Replacement 13 Slip Clutch Operational Check 14 Slip Clutch Adjustment 14 Torque Specifications 15 Se...

Page 3: ...nstructions 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...

Page 4: ...per grade and installation 9 All decals in place and readable See page 5 10 Overall condition good i e paint welds etc 11 Operator s manual has been given to owner and the owner has been instructed on...

Page 5: ...URY OR DEATH DANGER ROTATING MOWER BLADES STAND CLEAR UNTIL ALL MOTION HAS STOPPED TO AVOID AN ACCIDENTAL FALL FROM TRACTOR AND POSSIBLE INJURY BY MOWER IT IS RECOMMENDED THAT TRACTOR BE EQUIPPED WITH...

Page 6: ...uce speed when transporting mounted implements to avoid bouncing and momentary loss of steering control A heavy load can cause instability of the tractor Use extreme care during road travel Slow down...

Page 7: ...ATING FOLLOW ALL PRECAUTIONS CONTACT DEALER FOR MANUALS KEEP SHIELDS AND GUARDS IN PLACE KEEP CLEAR OF DRIVES AND BELTS LOWER IMPLEMENT STOP ENGINE AND REMOVE KEY BEFORE DISMOUNTING SECURELY SUPPORT M...

Page 8: ...oroughly Understand the purpose of the controls and how to use them Observe all safety precautions on the machine and noted throughout this manual If any assistance or additional information is needed...

Page 9: ...ght 905 lbs 1040 lbs 1240 lbs Gearbox Rating 85 HP 85 HP 85 HP Blade Size 1 2 x 4 1 2 x 4 1 2 x 4 Blade Tip Speed 12 645 fpm 14 955 fpm 17 448 fpm Deck Thickness 10 Gauge 10 Gauge 10 Gauge Side Skirt...

Page 10: ...graph 3 2 NOTE Due to the many variations in tractor implement hitch points and corresponding differences in distances between tractor PTO shafts and implement input shafts drivelines may need to be s...

Page 11: ...igure 2 4 Figure 2 4 J Using cut off section of shield as a guide cut shaft the same amount Figure 2 5 K Repeat steps I and J to other driveline section Figure 2 5 L Deburr ends of driveline sections...

Page 12: ...best results under heavier cutting conditions always tilt the rotary mower approximately 2 inches 51mm lower in the front This tilt decreases horsepower requirements and increases potential ground spe...

Page 13: ...TH ROLLOVER PROTECTIVE SYSTEM ROPS AND A SEAT BELT BE USED BY THE OPERATOR FOR ALL MOWING OPERATIONS WARNING ALL ROTARY MOWERS CAN DISCHARGE OBJECTS AT HIGH SPEEDS WHICH COULD RESULT IN SERIOUS INJURY...

Page 14: ...mower especially under side of deck When cleaning underside of deck securely block machine into position 4 2 LUBRICATE AS FOLLOWS See Figure 4 1 4 2 NOTE The multi purpose grease referenced in this se...

Page 15: ...s through the access hole in the mower deck Figure 4 3 The RC30 requires a 1 5 16 socket C Inspect blade bolt shoulder for wear Replace if necessary D Assemble new blades to blade holder using blade b...

Page 16: ...LIP CLUTCH TORQUE SETTING 4 6 SLIP CLUTCH ADJUSTMENT The slip clutch is factory preset to the correct torque for protecting implement and tractor Periodic adjustment is recommended refer to section 4...

Page 17: ...15 TORQUE SPECIFICATIONS...

Page 18: ...00147 Lift Strap 60 6 2 300148 Lift Strap 72 6 2 300149 Lift Strap 84 7 1 300141 Gearbox 85 HP 8 1 300124 Slip Clutch Shield 9 1 300145 Tailwheel Adjustment Bracket 10 1 100138 Tailwheel Adjustment Pi...

Page 19: ...ift Strap 60 5 2 300148 Lift Strap 72 5 2 300149 Lift Strap 84 6 1 100102 Hitch Bolt 3 4 x 5 Grade 5 7 2 100111 Flat Washer 3 4 8 1 100112 Lock Nut 3 4 9 2 100139 Pull Pin 7 8 x 4 1 4 10 1 100102 Link...

Page 20: ...Hub Nut 8 1 100113 Cotter Pin Gearbox 9 1 300124 Slip Clutch Shield IMPORTANT When sharpening blades grind each blade the same amount to maintain balance Replace blades in pairs Unbalanced blades wil...

Page 21: ...GEARBOX ASSEMBLY 19 REF QTY PART NO DESCRIPTION 1 1 300201 Seal Input Shaft 85 HP 2 1 300200 Seal Output Shaft 5 1 300136 Breather Fill Plug 6 1 300202 Oil Level 1 2 Plug...

Page 22: ...Tailwheel Beam 60 3 1 300143 Tailwheel Beam 72 3 1 300144 Tailwheel Beam 84 4 1 300128 Axle Bolt 1 x 8 w Flat Washer Nut Cotter Pin 5 1 100114 Cotter Pin 6 1 300129 Bushing Tailwheel 7 1 100115 1 1 4...

Page 23: ...od 4 1 300170 300170 300170 Rear Rod 5 1 100144 100144 100144 Retaining Bolt 3 8 x 1 1 2 Grade 5 6 1 100137 100137 100137 Retaining Lock Nut 3 8 7 1 300196 300197 300198 Front Chain Guard Kit 8 1 3001...

Page 24: ...nstall flat washers lock washers and nuts until all are installed 3 Rotate retaining bar item 2 into a large slot in chain guard frame and install 3 8 x 1 1 2 bolt into slot item 5 Tighten 3 8 lock nu...

Page 25: ...1 240003051 RS Collar 5 6 11 1 211054954 Yoke 1 3 8 Round Bore 12 1 38248004 Slip Clutch Assembly FF 2 13 1 10013370 Spring 7mm 14 1 253052101 Flanged Yoke 15 1 258005320 Bushing 16 1 247000061 Linin...

Page 26: ...r for the first pass and lower for the second pass preferably cutting 90o to the the first pass Raise rear of rotary mower high enough to permit material to discharge Allow grass to dry before mowing...

Page 27: ...preted to render us liable for injury or damages of any kind or nature direct consequential or contingent to person or property This warranty does not extend to loss of crops loss because of delay in...

Reviews: