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User manual Exmark, model FR20KC

Manafacture: Exmark
File size: 2.07 mb
File name: 109-4288.pdf

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Engage parking brake. b) Tilt seat forward. c) Lubricate bronze bushings on brake handle pivot with a spray type lubricant or light oil. 27 4.1.15 Lubricate the brake rod bushings: Service Interval: 160 hrs. a) Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. b) Tilt seat forward and raise hood. c) Lubricate bronze bushings on each end of the brake rod shaft with a spray type lubricant or light oil (bushings are located to the inside of the flange bearings). 4.1.16 Lubricate the motion control bronze bushings: Service Interval: 160 hrs. a) Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. b) Tilt seat forward. c) Lubricate bronze bushings on the flange bearings securing the motion control arm shafts with a light oil or a spray type lubricant. 4.1.17 Lubricate the motion control shaft: Service Interval: Yearly. a) Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. b) Tilt seat forward. c) Remove tab at rear of motion control shaft. d) Pull motion control shaft out and lubricate with an NGLI grade #2 multipurpose gun grease. e) Re-install shaft and tab. 4.1.18 Lubricate steering linkage rod ends: Service Interval: 160 hrs. a) Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. b) Tilt seat forward. c) Lubricate each end of both steering linkage rods with a spray lubricant or light oil. 4.1.19 Remove engine shrouds and clean cooling fins: Service Interval: 80 hrs. a) Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. b) Remove cooling shroud clean-out covers from engine and clean cooling fins. Also clean dust, dirt, and oil from external surfaces of engine, which can cause improper cooling. c) Make sure cooling shroud clean-out covers are reinstalled. Operating the engine without cooling shroud clean-out covers will cause engine damage due to overheating. 4.1.20 Check spark plugs: Service Interval: 160 hrs. a) Remove spark plugs, check condition and reset gaps, or replace with new plugs. See Engine Owners Manual. 28 4.1.21 Change fuel filter: Service Interval: As Required a) A fuel filter is installed between the fuel tank and the engine. Replace when necessary. Replacement Filters Kohler P/N 2405010 4.1.22 Change hydraulic system filter: Service Interval: After First 250 hrs. Then yearly thereafter NOTE: Use only Exmark Part No.103-2146 a) Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. b) Carefully clean area around filter. It is important that no dirt or contamination enter hydraulic system. c) Unscrew filter to remove and allow oil to drain from reservoir. IMPORTANT: Before reinstalling new filter, fill it with Mobil 1 15W-50 and apply a thin coat of oil on the surface of the rubber seal. Turn filter clockwise until rubber seal contacts the filter adapter, then tighten the filter an additional 2/3 to 3/4 turn. d) Fill reservoir as stated in Section 4.1.8. CAUTION POTENTIAL HAZARD ¦ Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. WHAT CAN HAPPEN ¦ The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury. HOW TO AVOID THE HAZARD ¦ DO NOT rely solely on mechanical or hydraulic jacks for support. Use adequate jack stands or equivalent support. e) Raise the drive wheels off of the ground and support with jack stands (or equivalent support) just high enough to allow drive wheels to turn freely. f) Start engine and move throttle control ahead to full throttle position. Move the motion control levers to the full speed and run for several minutes. Shut down machine and recheck oil level. Do not change hydraulic system oil (except for what can be drained when changing filter), unless it is felt the oil has been contaminated or been extremely hot. Changing oil unnecessarily could damage hydraulic system by introducing contaminates into the system. 29 4.1.23 Wheel Hub – lock nut torque specification Service Interval: 500 hrs When tightening the lock nut on the wheel motor tapered shaft: a) Torque the lock nut to 125 ft-lbs (169 N-m). NOTE: Do not use antisieze on wheel hub. 4.1.24 Fuel Tank – mounting hardware specification When installing the nuts on the fuel tank studs, fully tighten the nyloc nut and back off 1/2 turn. This allows for normal fuel tank expansion and contraction with changes in temperature and fuel levels. 4.1.25 Thread locking adhesives such as “Loctite 242” or “Fel-Pro, Pro-Lock Nut Type” are used on the following fasteners: a) Pump drive sheave set screws. b) Line shaft sheave setscrews. c) Square head setscrews on Hydro pump control arms. d) Sheave retaining bolt in the end of engine crankshaft. e) Caster wheel spacer nuts. f) Fuel tank bulkhead fitting nuts. g) Motion control tab retaining bolt. 4.1.26 Dielectric grease is used on blade type e...