Wright Manufacturing Mower Annually Do the following plus all items done at 5-160 hour intervals

40 hours intervals (Do the following plus all items done at 5-10 hour intervals)

Blade drive belt tension adjustment should be checked at forty (40) hour intervals except new belts should be checked at four to five (4-

5)hours and at eight to ten (8-10) hours Change engine oil if using synthetic (Mobil 1 or

AmsOil), or change every eight (8) hours if not synthetic oil*

Thoroughly clean complete mower Grease caster wheel bearings, (2) points Grease caster wheel pivots, (2) points Grease blade spindle bearings, (2-3) points Check tire pressure

Lubricate foot platform Operator Presence Control pivots and control rod with water- proof grease, (3) points

Lubricate hand control lever pivot shafts with waterproof grease (4 places)

Lubricate throttle control cable with WD-40 Lubricate choke control cable with WD-40 (if

equipped)

Check hydraulic reservoir oil level; The level should be about 4"-5" below the top of the oil fill. Use synthetic oil: Mobil 1 10W-30 or AmsOil 10W-40.

Inspect and replace worn tires

Adjust both parking brake shoes to firmly stop wheels

160 hour intervals or annually (Do the follow- ing plus all items done at 5-40 hour inter- vals)

Clean or replace spark plugs (see engine manual)

Replace engine oil filter with oil change* Replace hydraulic oil filter with original Wright

25 micron filter at first 160 hour interval* (and annuallythereafter*)

Check hydraulic reservoir oil level*; The level should be about 4"-5" below the top of the oil fill; use synthetic oil: Mobil 1 10W-30 or AmsOil 10W-40

Completely inspect for excessive wear in all parts of mower, including control system, replace worn parts

Check both set screws on each hydraulic pump pulley and engine pulley (for pump belt) for tightness, 2 each on pump pulleys, 1 on engine pulley, 5 total

Remove and clean battery box (if equipped) Completely inspect for cracks in frame, tractor

frame or other steel parts and have autho- rized dealer weld any found

Annually (Do the following plus all items done at 5-160 hour intervals)

Replace hydraulic oil filter with original Wright 25 micron filter at 160 hour intervals and annually thereafter*

Check hydraulic reservoir oil level; The level should be about 4"-5" below the top of the oil fill; use synthetic oil: Mobil 1 10W-30 or AmsOil 10W-40

Replace all excessively worn spindle bearings (after three years only)

Replace excessively worn main cutter deck idler pulleys

Replace excessively worn caster wheels and roller bearings

Replace excessively worn caster pivot bushings Remove cotter pins and check torque on both castle nuts on center of drive wheel hubs to at least 175 ft.-lbs. Replace with new cotter pins.

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