Assessments - 2, GPA: 3.5
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4. Inspect clutch to ensure scribed markings made on the clutch plates have changed position. Slippage has not occurred if any two marks on the friction disk and plate are still aligned. A clutch that has not slipped must be disassembled to separate the friction disk plates. See “Clutch Disassembly” to disassemble clutch. 5. Tighten each of the 8 spring retainer nuts on the clutch housing exactly 2 revolutions to restore the clutch to the original setting pressure. 6. The clutch should be checked during the first hour of tilling and periodically each week. An additional set of scribe marks can be added to check for slippage. See “Clutch Assembly” to adjust for proper spring length. Clutch Disassembly Refer to Figure 4-3: Disassembly of the clutch is simply a matter of first removing the spring retainer nuts (#9a), springs (#2), and bolts (#9b) from the assembly. Each friction disk (#5) must then be separated from the metal surface adjacent to it. Inspection Inspect all parts for excessive wear and condition. Clean all parts that do not require replacement.The original friction disk thickness is 1/8" and should be replaced if the thickness falls below 3/32". If the clutches have been slipped to the point of “smoking”, the friction disks may be damaged and should be replaced. Heat build-up may also affect the yoke joints. Clutch Assembly Refer to Figure 4-3: Reassemble each friction disk (#5) next to the metal plate it was separated from. Make certain bushing #4 is positioned as shown. Install bolts (#9b) through the end plates and intermediate plates as shown. Place springs (#2) over the bolts and secure with nuts (#9a). Refer to Figure 4-4: Progressively tighten each spring retainer bolt until correct spring length “B” is reached. • B = 1.335" to 1.345" Clutch Run-In Figure 4-2 Clutch Assembly Figure 4-3 Clutch Adjustment Figure 4-4 13693 23844 23576 Table of Contents Section 4: Maintenance& Lubrication Storage Clean, inspect, service, and make necessary repairs to the Rotary Tiller when parking it for long periods and when parking it at the end of a working season. This will help ensure that the tiller is ready for field use the next time you hook-up to it. ! DANGER Always disconnect main driveline from tractor PTO and secure tiller in the up position with solid supports before servicing underside of tiller. PTO can be engaged if tractor is started resulting in damage to tiller, bodily injury, or death. 1. Clean off any dirt and grease that may have accumulated on the Rotary Tiller. Scrape off compacted dirt and then wash surfaces thoroughly with a garden hose. 2. Check the tines for wear and replace if necessary. See Tine Replacement earlier in this section. 3. Inspect the tiller for loose, damaged, or worn parts and adjust or replace if needed. 4. Repaint parts where paint is worn or scratched to prevent rust. Ask your dealer for Aerosol Land Pride touch-up paint. They are also available in touch-up bottles with brush, quarts, and gallon sizes by adding TU, QT, or GL to the end of the Aerosol part number. Land Pride Aerosol Touch-up Paint Part No. Part Description 821-011C PAINT LP BEIGE AEROSOL SPRAY CAN 821-002C PAINT LP BLACK AEROSOL SPRAY CAN 821-066C PAINT ORANGE AEROSOL SPRAY CAN 5. Replace all damaged or missing decals. 6. Lubricate as noted in “Lubrication” on page 23. 7. Drain and refill gearbox and chaincase oil. Be sure to replace all oil plugs. • Drain oil in gearbox by removing the bottom drain plug or right-hand cap. See “Gearbox” lubrication instructions on page 24. • Drain oil in chaincase by removing the bottom plug and tipping tiller backwards. See “Chaincase” lubrication instructions on page 23. 8. A coating of oil may be applied to worn surfaces in lieu of painting to minimize oxidation. 9. Store tiller on a level surface in a clean, dry place. Inside storage will reduce maintenance and make for a longer tiller life. 10. Follow all “Parking” instructions on page 17 when disconnecting tractor from tiller. 22 RTR0542 and RTR0550 Rotary Tillers 311-464M 9/20/12 9/20/12 RTR0542 and RTR0550 Rotary Tillers 311-464M 23 Section 4: Maintenance& Lubrication Table of Contents Lubrication Driveline U-Joint Driveline U-joint with grease every 8 hours of operation Type of grease = Multi-Purpose Quantity = Coat Generously Driveline Shaft Disconnect driveline shaft from the tractor and slide apart. Clean and coat the inner tube of the driveline shaft with a light film of grease and then reassemble. Type of grease = Multi-Purpose Quantity = Coat Generously Chaincase Type = Recommended: Shell Alvania EP00 Oil Alternate: SAE 90 wt. oil Quantity = As required IMPORTANT: Tiller should be level when checking oil level in chain case. Check oil level in chaincase by removing lower plug. Oil should reach bottom of plug hole. Add recommended oil as needed. Retighten plug when oil is level with bottom of hole. 8 Hrs 20 Hrs 23759 23760 23771 50 Hrs Multi-purpose spray lube Multi-purpose grease lube Multi-purpose...
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